DR. KARTHIK KUMAR CHALLA M.D.
NPI 1619293131
Internal Medicine - Interventional Cardiology in Elgin, IL

NPI Status: Active since April 08, 2010

Contact Information

1435 N RANDALL RD
STE 201
ELGIN, IL
ZIP 60123
Phone: (847) 695-3168
Fax: (847) 695-4289

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  • Individual
  • Male
  • Years of Experience 16
  • Internal Medicine
  • Interventional Cardiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About KARTHIK CHALLA

This page provides the complete NPI Profile along with additional information for Karthik Challa, an internist established in Elgin, Illinois with a medical specialization in Internal Medicine, focusing in interventional cardiology and more than 16 years of experience. He graduated from West Virginia University School Of Medicine in 2010. The healthcare provider is registered in the NPI registry with number 1619293131 assigned on April 2010. The practitioner's primary taxonomy code is 207RI0011X with license number 036-132517 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1619293131
Provider Name
DR. KARTHIK KUMAR CHALLA M.D.
Gender
Male
Entity Type
Individual
Location Address
1435 N RANDALL RD STE 201 ELGIN, IL 60123
Location Phone
(847) 695-3168
Location Fax
(847) 695-4289
Mailing Address
29373 NETWORK PL CHICAGO, IL 60673
Mailing Phone
(847) 390-5900
Medical School Name
WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2010
Is Sole Proprietor?
Yes
Enumeration Date
04-08-2010
Last Update Date
10-03-2025
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An internist like Karthik Challa 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 Interventional Cardiology

Taxonomy Code
207RI0011X
Type
Allopathic & Osteopathic Physicians
License No.
036-132517
License State
IL
Taxonomy Description
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

036-132517 (IL)

Medicare Participation & PECOS Enrollment Status

Karthik Challa 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.

Karthik Challa 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: 2567695646

    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: I20140424001717

    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.

Coronary angioplasty and stenting

Coronary angioplasty and stenting is a procedure to open narrowed or blocked heart arteries. A thin tube is inserted into a blood vessel, usually in the leg or arm, and guided to the heart. A small balloon at the end of the tube is inflated to widen the artery. A stent, a small wire mesh tube, may be placed in the artery to keep it open.

This service was performed for 19 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 27 times for 27 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 605 times for 329 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

This service was performed 86 times for 86 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

This service was performed 86 times for 86 patients

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 110 times for 84 patients

Heart muscle strain imaging

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

This service was performed 19 times for 19 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 62 times for 61 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

This service was performed 35 times for 33 patients

Insertion of tube in right heart chambers for measurement

This procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.

This service was performed 11 times for 11 patients

Leg revascularization (restoring blood flow)

Leg revascularization is a procedure aimed at restoring proper blood flow to your legs. It's often needed when blood vessels in your legs are blocked or narrowed. The process may involve surgery or less invasive methods to remove or bypass blockages, helping to alleviate pain and prevent serious complications.

This service was performed for 15 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

This service was performed 14 times for 14 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 48 times for 48 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

This service was performed 69 times for 69 patients

Pacemaker insertion or repair

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

This service was performed for 1-10 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 96 times for 89 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

This service was performed 423 times for 328 patients

Ultrasound of both sides of head and neck blood flow

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

This service was performed 81 times for 80 patients

Ultrasound of heart blood flow, valves and chambers, follow-up

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

This service was performed 16 times for 16 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

This service was performed 15 times for 15 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 236 times for 235 patients

Ultrasound of heart, follow-up

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

This service was performed 31 times for 30 patients

Ultrasound scan of abdominal aorta

An ultrasound scan of the abdominal aorta is a non-invasive imaging test. It uses sound waves to create pictures of the main blood vessel in your abdomen, the aorta, to check its size and shape. This helps detect any abnormalities or issues early.

This service was performed 11 times for 11 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

This service was performed 83 times for 74 patients

Physician 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 60123 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.

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. Karthik Challa is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ADVOCATE SHERMAN HOSPITAL1425 NORTH RANDALL ROAD
ELGIN, IL 60123
(847) 742-9800Acute Care Hospitals
NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL25 NORTH WINFIELD ROAD
WINFIELD, IL 60190
(630) 682-1600Acute Care Hospitals

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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 1619293131, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 1 → 2 2 → 4 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 4 + 9 + 6 + 1 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1619293131.

Other Providers at the Same Location


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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
1435 N RANDALL RD, SUITE 209
ELGIN, IL 60123
Midwife
1435 N RANDALL RD, SUITE 309
ELGIN, IL 60123
Ophthalmology
1435 N RANDALL RD, SUITE 102
ELGIN, IL 60123
Ophthalmology
1435 N RANDALL RD, SUITE 102
ELGIN, IL 60123
Internal Medicine (Interventional Cardiology)
1435 N RANDALL RD, SUITE 201
ELGIN, IL 60123
Specialist/Technologist, Other (Surgical Assistant)
1435 N RANDALL RD, SUITE 103
ELGIN, IL 60123
Obstetrics & Gynecology
1435 N RANDALL RD, 310
ELGIN, IL 60123
Registered Nurse
1435 N RANDALL RD, SUITE # 309
ELGIN, IL 60123
Obstetrics & Gynecology
1435 N RANDALL RD, STE 304
ELGIN, IL 60123
Pharmacist
1435 N RANDALL RD, 101
ELGIN, IL 60123
Clinic/Center (Medical Specialty)
1435 N RANDALL RD, SUITE 304
ELGIN, IL 60123
Clinic/Center (Physical Therapy)
1435 N RANDALL RD, SUITE 105
ELGIN, IL 60123
Midwife
1435 N RANDALL RD, SUITE 304
ELGIN, IL 60123
Obstetrics & Gynecology
1435 N RANDALL RD, SUITE 302
ELGIN, IL 60123
Internal Medicine (Infectious Disease)
1435 N RANDALL RD, SUITE 404
ELGIN, IL 60123
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1435 N RANDALL RD, SUITE 209
ELGIN, IL 60123
Internal Medicine (Clinical Cardiac Electrophysiology)
1435 N RANDALL RD, SUITE 206
ELGIN, IL 60123
Obstetrics & Gynecology
1435 N RANDALL RD, SUITE 309
ELGIN, IL 60123
Pharmacy
1435 N RANDALL RD, STE 101
ELGIN, IL 60123
Specialist
1435 N RANDALL RD, SUITE 102
ELGIN, IL 60123

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619293131, enumerated as an "individual" on April 08, 2010.

The provider is located at 1435 N RANDALL RD STE 201 ELGIN, IL 60123 and the phone number is (847) 695-3168.

Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.

Karthik Challa is affiliated with: ADVOCATE SHERMAN HOSPITAL and NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL.