CHRISTOPHER J RONKAR MD
NPI 1992810956
Internal Medicine - Rheumatology in Urbandale, IA

NPI Status: Active since August 20, 2006

Contact Information

8421 PLUM DR
URBANDALE, IA
ZIP 50322
Phone: (515) 270-7222
Fax: (515) 270-7202

Get Directions Write a Review

  • Individual
  • Male
  • Years of Experience 30
  • Internal Medicine
  • Rheumatology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About CHRISTOPHER RONKAR

This page provides the complete NPI Profile along with additional information for Christopher Ronkar, an internist established in Urbandale, Iowa with a medical specialization in Internal Medicine, focusing in rheumatology and more than 30 years of experience. The healthcare provider is registered in the NPI registry with number 1992810956 assigned on August 2006. The practitioner's primary taxonomy code is 207RR0500X with license number 32739 (IA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1992810956
Provider Name
CHRISTOPHER J RONKAR MD
Gender
Male
Entity Type
Individual
Location Address
8421 PLUM DR URBANDALE, IA 50322
Location Phone
(515) 270-7222
Location Fax
(515) 270-7202
Mailing Address
8421 PLUM DR URBANDALE, IA 50322
Mailing Phone
(515) 270-7222
Mailing Fax
(515) 270-7202
Medical School Name
OTHER
Graduation Year
1996
Is Sole Proprietor?
No
Enumeration Date
08-20-2006
Last Update Date
05-13-2025
Code Navigator

An internist like Christopher Ronkar is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
32739
License State
IA
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Choice Bronze HSA - EPO
  • Choice Bronze HSA + Vision + Adult Dental - EPO
  • Clear Silver - EPO
  • Clear Silver + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Choice Bronze HSA - EPO
  • Choice Bronze HSA + Vision + Adult Dental - EPO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - EPO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Inspire by Medica Bronze $0 Copay PCP Visits - EPO
  • Inspire by Medica Bronze Share - EPO
  • Inspire by Medica Expanded Bronze Standard - EPO
  • Inspire by Medica Gold $0 Copay PCP Visits - EPO
  • Inspire by Medica Gold Share - EPO
  • Inspire by Medica Gold Standard - EPO
  • Inspire by Medica Silver $0 Copay PCP Visits - EPO
  • Inspire by Medica Silver Share - EPO
  • Inspire by Medica Silver Standard - EPO
  • Medica Insure Bronze $0 Copay PCP Visits - EPO
  • Bronze Classic 4700 - EPO
  • Bronze Classic 4700 | MercyOne - EPO
  • Bronze Classic Standard - EPO
  • Bronze Classic Standard | MercyOne - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Elite + PCP Saver Plus | MercyOne - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits | MercyOne - EPO
  • Bronze Simple Chronic Care CKM | MercyOne - EPO
  • Bronze Simple Diabetes | MercyOne - EPO
  • Gold Classic Standard - EPO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
0282178MEDICAID (05)IA 

Medicare Participation & PECOS Enrollment Status

Christopher Ronkar is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Christopher Ronkar is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 7618019035

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20100123000247

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Administration of chemotherapy into vein, 1 hour or less

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

This service was performed 162 times for 65 patients

Administration of chemotherapy into vein, each additional hour

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

This service was performed 191 times for 50 patients

Albumin (protein) level

The Albumin Level test measures the amount of albumin, a vital protein made by the liver, in your blood. This protein helps keep fluid in your bloodstream so it doesn't leak into other tissues. It's also vital for tissue growth and healing. Low or high levels can indicate certain health issues.

This service was performed 438 times for 225 patients

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 68 times for 41 patients

Automated urinalysis test

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

This service was performed 14 times for 13 patients

Blood creatinine level

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

This service was performed 813 times for 450 patients

Blood test, thyroid stimulating hormone (tsh)

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

This service was performed 19 times for 18 patients

Calcium level, total

A total calcium level test measures the amount of calcium in your blood. Calcium is essential for body functions like bone formation, nerve signal transmission, and muscle contraction. Abnormal levels may indicate conditions like bone disease or kidney disorders.

This service was performed 449 times for 282 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

This service was performed 425 times for 220 patients

Creatine kinase (cardiac enzyme) level, total

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

This service was performed 22 times for 18 patients

Dxa bone density measurement of hip, pelvis, spine

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

This service was performed 289 times for 289 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 540 times for 363 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 643 times for 422 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 17 times for 15 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

This service was performed 171 times for 60 patients

Injection of additional new drug or substance into vein

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

This service was performed 72 times for 22 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 615 times for 258 patients

Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)

Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.

This service was performed 7,450 times for 15 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

This service was performed 36 times for 12 patients

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

This service was performed 22,600 times for 20 patients

Injection, denosumab, 1 mg

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

This service was performed 22,320 times for 226 patients

Injection, dexamethasone sodium phosphate, 1 mg

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

This service was performed 616 times for 22 patients

Injection, golimumab, 1 mg, for intravenous use

Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.

This service was performed 9,900 times for 16 patients

Injection, infliximab, excludes biosimilar, 10 mg

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

This service was performed 3,270 times for 23 patients

Injection, methylprednisolone acetate, 80 mg

Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.

This service was performed 21 times for 14 patients

Injection, rituximab, 10 mg

Rituximab is a medication given via injection. It's used to treat certain types of cancer and autoimmune diseases. The 10 mg dosage refers to the amount of the drug in the injection. It works by targeting and destroying specific cells, helping your body's immune system.

This service was performed 3,400 times for 16 patients

Injection, romosozumab-aqqg, 1 mg

Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.

This service was performed 13,860 times for 19 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

This service was performed 217 times for 27 patients

Injection, zoledronic acid, 1 mg

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

This service was performed 110 times for 22 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 880 times for 488 patients

Liver enzyme (sgot), level

A Liver Enzyme (SGOT) Level test is a simple blood test used to measure the amount of certain enzymes in your blood. These enzymes are normally found in liver cells. If the liver is damaged or diseased, these enzymes can leak into your bloodstream, indicating potential liver issues.

This service was performed 426 times for 218 patients

Liver enzyme (sgpt), level

A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.

This service was performed 407 times for 216 patients

Magnesium level

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

This service was performed 22 times for 22 patients

Measurement c-reactive protein for detection of infection or inflammation

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

This service was performed 296 times for 172 patients

Measurement of antibody for assessment of autoimmune disorder, any method

This procedure measures the level of specific antibodies in your body to assess if you have an autoimmune disorder. Antibodies are proteins your immune system produces. In autoimmune disorders, these antibodies mistakenly attack your own cells. This test helps identify such conditions.

This service was performed 162 times for 23 patients

Measurement of antibody for rheumatoid arthritis assessment

This procedure measures the level of certain antibodies in your blood. These antibodies can be higher in people with rheumatoid arthritis, a condition causing joint inflammation. The test helps in diagnosing or monitoring the disease.

This service was performed 19 times for 19 patients

Measurement of complement (immune system proteins), antigen,

The measurement of complement (immune system proteins) and antigen is a blood test. It helps to assess how your immune system is functioning. Complement proteins play a role in your body's immune response, and antigens trigger this response. This test helps in diagnosing and monitoring certain diseases.

This service was performed 84 times for 30 patients

Measurement of dna antibody, native or double stranded

The measurement of DNA antibody, native or double stranded, is a blood test that helps detect autoimmune disorders, such as lupus. It identifies if your body is producing antibodies against its own DNA, which can indicate an overactive immune response.

This service was performed 27 times for 23 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 22 times for 22 patients

New patient office or other outpatient visit, 60-74 minutes

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 12 times for 12 patients

Phosphatase (enzyme) level, alkaline

The Alkaline Phosphatase Level test measures the amount of alkaline phosphatase, an enzyme, in your blood. High or low levels can indicate a variety of health conditions, such as liver disease or bone disorders. It's a common test done to help diagnose and monitor these conditions.

This service was performed 65 times for 52 patients

Phosphate level

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

This service was performed 31 times for 30 patients

Red blood cell sedimentation rate, to detect inflammation, automated

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

This service was performed 293 times for 171 patients

Rheumatoid factor level

The Rheumatoid Factor Level test is a blood test that helps detect the presence of Rheumatoid Factor (RF), a protein produced by your immune system. High RF levels often indicate autoimmune diseases like rheumatoid arthritis. The test involves a simple blood draw and lab analysis.

This service was performed 18 times for 18 patients

Tuberculosis test, gamma interferon

A gamma interferon tuberculosis test is a blood test used to diagnose tuberculosis, a serious lung disease. The test measures your immune system's response to TB bacteria. It's a safe, straightforward procedure that can help ensure your health.

This service was performed 23 times for 23 patients

Uric acid level, blood

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

This service was performed 33 times for 23 patients

Vitamin d-3 level

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

This service was performed 67 times for 64 patients

X-ray of hand, 2 views

An X-ray of the hand, 2 views, is a non-invasive imaging test that uses a small amount of radiation to produce pictures of the bones in your hand. Two different angles are captured to provide a comprehensive view. This helps in diagnosing injuries or conditions affecting your hand.

This service was performed 24 times for 12 patients

X-ray of knee, 3 views

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

This service was performed 17 times for 13 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.55 for a new patient copayment and $23.51 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 50322 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $122.23
  • Minimum New Patient Price $52.96
  • Maximum New Patient Price $161.4
  • Average New Patient Copayment $30.55
  • Minimum New Patient Copayment $13.24
  • Maximum New Patient Copayment $40.35

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $94.05
  • Minimum Established Patient Price $16.91
  • Maximum Established Patient Price $131.98
  • Average Established Patient Copayment $23.51
  • Minimum Established Patient Copayment $4.22
  • Maximum Established Patient Copayment $32.99

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Christopher Ronkar is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MERCYONE DES MOINES MEDICAL CENTER1111 6TH AVE
DES MOINES, IA 50314
(515) 247-3121Acute Care Hospitals

Reviews for CHRISTOPHER J RONKAR MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1992810956, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 8 → 16 → 7 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 8 + 2 + 1 + 6 + 1 + 0 + 9 + 1 + 0 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1992810956.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Rheumatology)
8421 PLUM DR
DES MOINES, IA 50322
Clinic/Center
8421 PLUM DR
DES MOINES, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
DES MOINES, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Physician Assistant
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Physician Assistant (Medical)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Physician Assistant (Medical)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322
Physician Assistant
8421 PLUM DR
URBANDALE, IA 50322
Internal Medicine (Rheumatology)
8421 PLUM DR
URBANDALE, IA 50322

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992810956, enumerated as an "individual" on August 20, 2006.

The provider is located at 8421 PLUM DR URBANDALE, IA 50322 and the phone number is (515) 270-7222.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter from NH. Please consult your insurance carrier or call the provider to verify.

Christopher Ronkar is affiliated with: MERCYONE DES MOINES MEDICAL CENTER.