Ahmad F. Zegar, MD
Internal Medicine Physician · Merrillville, IN
Ahmad F. Zegar, MD is an internal medicine physician with a practice address in Merrillville, Indiana, and NPI 1902891328, issued on Sep 12, 2005. Check the license (Indiana 01042256, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Ahmad F. Zegar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01042256 IN
Self-reported in NPPES; status is on the state search - Practice location
- 8701 Broadway, Merrillville, IN 46410
- Phone
- (219) 738-5510
- Enumerated
- Sep 12, 2005
- Record last updated
- Apr 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (219) 738-6714
- Medicare enrollment
- Enrolled (PECOS I20170303000071); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 8701 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Geoffrey Bauer, MDEmergency Medicine Physician1114912326
- Thomas Bebekoski, MDEmergency Medicine Physician1508327933
- Jenee Bhuju, M.D.Internal Medicine Physician1578918108
- Kim Buford, FNPNurse Practitioner1164193512
- Anna Marie CastilloPhysical Therapist1487272175
Verify Ahmad F. Zegar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01042256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
86 Medicare Part D claims for 43 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Heartland Emergency Physicians PLLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahmad F. Zegar among 2,109 internal medicine physician records in Indiana
Ahmad F. Zegar, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2005 among the 1,448 with a school on file
- Record last updated2008 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Merrillville
They are 15 of the 1,972 NPPES records with a practice address in Merrillville, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Merrillville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vallee Adams-Miller, M.D.Merrillville, IN 464101902898505
- Gaurav Alreja, M.D.Merrillville, IN 464101639346380
- Mohammed Asgar, MDMerrillville, IN 464101023004587
- Osama Ayad, MD, FACPMerrillville, IN 464101427162288
- Jenee Bhuju, M.D.Merrillville, IN 464101578918108
- Radosveta Ivanova Nesch, M.D.Merrillville, IN 464101548350853
- Zafar Khalid, MDMerrillville, IN 464101689657975
- Tarangini Padhya, MDMerrillville, IN 464101588673479
Common questions
What is Ahmad F. Zegar, MD's NPI number?
Ahmad F. Zegar, MD's National Provider Identifier (NPI) is 1902891328, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ahmad F. Zegar, MD located?
The NPPES record lists a practice address at 8701 Broadway, Merrillville, IN, 46410. Phone: (219) 738-5510. Providers update this record themselves, so call before visiting.
How can I verify Ahmad F. Zegar, MD's license?
NPPES lists Indiana license number 01042256, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ahmad F. Zegar, MD prescribe under Medicare Part D?
In 2024, Ahmad F. Zegar, MD had 86 Medicare Part D claims for 43 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ahmad F. Zegar, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.