Ivan S. Begov, MD
Nephrology Physician · Chicago, IL
Ivan S. Begov, MD is a nephrology physician with a practice address in Chicago, Illinois, and NPI 1578719993, issued on Aug 18, 2008. Check the license (Illinois 036125452, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ivan S. Begov
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 036125452 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1653 W Congress Pkwy, Chicago, IL 60612
- Phone
- (312) 942-5352
- Enumerated
- Aug 18, 2008
- Record last updated
- Apr 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20100917000264); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 572 in Illinois → Look up another NPI →
Also registered at 1653 W Congress Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pooja AgarwalPsychiatry Physician1407411689
- Heidi Aguilar, CRNACertified Registered Nurse Anesthetist1043703796
- Jenny AhnEmergency Registered Nurse1124836622
- Marwah Al Tekreeti, MDAnatomic Pathology & Clinical Pathology Physician1891539268
- Laila Abdulla Al-Harthy, RNRegistered Nurse1619832722
Verify Ivan S. Begov in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036125452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average nephrology physician in 2024
510 Medicare Part D claims for 114 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Losartan Potassium42 claims
- Lisinopril38 claims
- Sevelamer Carbonate33 claims
- Nifedipine Er32 claims
- Amlodipine Besylate28 claims
- Carvedilol28 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $371.03
15 payments; by number, the most common kind was food and beverage; the largest payer was Aurinia Pharma U.S., Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivan S. Begov among 572 nephrology physician records in Illinois
Ivan S. Begov, MD is one of 572 nephrology physician records with a practice address in Illinois. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 36% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2007 · median 2002 among the 433 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Illinois
There are 572 nephrology physician records in Illinois.
All 572 in Illinois → Every provider in Chicago → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Angelito Bernardo, MDChicago, IL 606121578624854
- Carolyn Brecklin, M.D.Chicago, IL 606121811918964
- Michael FischerChicago, IL 606121013012277
- Amit Joshi, M.D.Chicago, IL 606121982807814
- James LashChicago, IL 606121548365646
- Jerrold LevineChicago, IL 606121568575918
- Claudia Lora, M.D.Chicago, IL 606121588867410
- Albert Osei, M.D.Chicago, IL 606121740211150
Common questions
What is Ivan S. Begov, MD's NPI number?
Ivan S. Begov, MD's National Provider Identifier (NPI) is 1578719993, issued on Aug 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ivan S. Begov, MD located?
The NPPES record lists a practice address at 1653 W Congress Pkwy, Chicago, IL, 60612. Phone: (312) 942-5352. Providers update this record themselves, so call before visiting.
How can I verify Ivan S. Begov, MD's license?
NPPES lists Illinois license number 036125452, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ivan S. Begov, MD prescribe under Medicare Part D?
In 2024, Ivan S. Begov, MD had 510 Medicare Part D claims for 114 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Ivan S. Begov, MD's MIPS final score?
The 2023 MIPS final score is 88.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.