DR. DARCY SITTIG MAJKA MD
NPI 1831206580
Internal Medicine - Rheumatology in Westmont, IL
NPI Status: Active since August 25, 2006
Contact Information
801 N CASS AVE STE 300
WESTMONT, IL
ZIP 60559
Phone: (630) 268-0200
Fax: (630) 963-6579
- Individual
- Female
- Years of Experience 29
- Internal Medicine
- Rheumatology
- Accepts Medicare Approved Payment
- PECOS Enrolled
About DARCY MAJKA
This page provides the complete NPI Profile along with additional information for Darcy Majka, an internist established in Westmont, Illinois with a medical specialization in Internal Medicine, focusing in rheumatology and more than 29 years of experience. The healthcare provider is registered in the NPI registry with number 1831206580 assigned on August 2006. The practitioner's primary taxonomy code is 207RR0500X with license number 036109116 (IL). The provider is registered as an individual and her NPI record was last updated 5 years ago.
- NPI
- 1831206580
- Provider Name
- DR. DARCY SITTIG MAJKA MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 801 N CASS AVE STE 300 WESTMONT, IL 60559
- Location Phone
- (630) 268-0200
- Location Fax
- (630) 963-6579
- Mailing Address
- 1860 PAYSHERE CIR CHICAGO, IL 60674
- Mailing Phone
- (630) 469-9200
- Medical School Name
- OTHER
- Graduation Year
- 1997
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-25-2006
- Last Update Date
- 01-22-2021
- Code Navigator
An internist like Darcy Majka 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.
- 036109116
- License State
- IL
- 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.
Medicare Participation & PECOS Enrollment Status
Darcy Majka 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.
Darcy Majka 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: 3173420437
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: I20031215000840
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.
Bilirubin level, direct
Blood creatinine level
Blood test, comprehensive group of blood chemicals
Blood test, thyroid stimulating hormone (tsh)
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
Detection test by immunoassay technique for hepatitis b surface antigen
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 40-54 minutes
Ferritin (blood protein) level
Hepatitis b core antibody (igm) measurement
Hepatitis b core antibody measurement
Injection of drug or substance under skin or into muscle
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)
Injection, denosumab, 1 mg
Insertion of needle into vein for collection of blood sample
Liver function blood test panel
Magnesium level
Measurement c-reactive protein for detection of infection or inflammation
Measurement of complement (immune system proteins), antigen,
New patient office or other outpatient visit, 45-59 minutes
Phosphate level
Red blood cell sedimentation rate, to detect inflammation, automated
Rheumatoid factor level
Urea nitrogen level to assess kidney function, quantitative
Uric acid level, blood
Vitamin d-3 level
A direct bilirubin test measures a form of bilirubin in your blood. Bilirubin is a substance produced during the normal breakdown of red blood cells. High levels may indicate liver or blood disorders. This test helps diagnose and monitor these conditions.
This service was performed 22 times for 19 patientsA 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 336 times for 140 patientsA comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
This service was performed 43 times for 25 patientsA 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 17 times for 15 patientsA Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
This service was performed 404 times for 158 patientsThis test helps identify the presence of hepatitis B in your body. It uses an immunoassay technique, which is a highly sensitive method that detects the hepatitis B surface antigen, a protein on the virus. This test can help diagnose an active infection or determine if you're a carrier.
This service was performed 17 times for 17 patientsThis 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 88 times for 23 patientsThis 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 532 times for 217 patientsThis 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 123 times for 94 patientsA Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.
This service was performed 15 times for 13 patientsThe Hepatitis B Core Antibody (IgM) measurement is a blood test that helps to identify if you have an acute or recent infection of Hepatitis B, a virus that affects the liver. It's not a test for immunity, but rather for detecting active infection.
This service was performed 16 times for 16 patientsHepatitis B core antibody measurement is a test conducted to determine if you have been infected with the Hepatitis B virus in the past. It involves taking a blood sample and analyzing it in a lab. This test aids in diagnosing and managing Hepatitis B infections.
This service was performed 14 times for 14 patientsThis 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 171 times for 35 patientsCertolizumab 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 53,202 times for 15 patientsDenosumab 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 2,160 times for 21 patientsThis 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 586 times for 212 patientsA liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.
This service was performed 367 times for 140 patientsA 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 36 times for 20 patientsC-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 338 times for 151 patientsThe 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 113 times for 39 patientsThis 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 41 times for 41 patientsA 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 37 times for 21 patientsThe 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 337 times for 152 patientsThe 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 40 times for 39 patientsThe urea nitrogen level test is a routine blood test that checks the amount of urea nitrogen in your blood to evaluate how well your kidneys are working. If the levels are higher than normal, it may indicate that your kidneys are not functioning properly.
This service was performed 317 times for 137 patientsA 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 50 times for 24 patientsA 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 85 times for 60 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $34.35 for a new patient copayment and $26.26 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 60559 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $137.43
- Minimum New Patient Price $59.81
- Maximum New Patient Price $181.38
- Average New Patient Copayment $34.35
- Minimum New Patient Copayment $14.95
- Maximum New Patient Copayment $45.34
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $105.07
- Minimum Established Patient Price $19.15
- Maximum Established Patient Price $147.12
- Average Established Patient Copayment $26.26
- Minimum Established Patient Copayment $4.78
- Maximum Established Patient Copayment $36.78
* 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.
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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 1831206580, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 60 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 12 providers are registered at the same or a nearby location.
WESTMONT, IL 60559
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1831206580, enumerated as an "individual" on August 25, 2006.
The provider is located at 801 N CASS AVE STE 300 WESTMONT, IL 60559 and the phone number is (630) 268-0200.
Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.