NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902891328
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8701 Broadway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lauren Avidano, CAAAnesthesiologist Assistant1982403374
  2. Geoffrey Bauer, MDEmergency Medicine Physician1114912326
  3. Thomas Bebekoski, MDEmergency Medicine Physician1508327933
  4. Jenee Bhuju, M.D.Internal Medicine Physician1578918108
  5. Kim Buford, FNPNurse Practitioner1164193512
  6. Anna Marie CastilloPhysical Therapist1487272175

Verify Ahmad F. Zegar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01042256
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Ahmad Zegar86
  2. Specialty average3,176

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

  1. 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Vallee Adams-Miller, M.D.Merrillville, IN 464101902898505
  2. Gaurav Alreja, M.D.Merrillville, IN 464101639346380
  3. Mohammed Asgar, MDMerrillville, IN 464101023004587
  4. Osama Ayad, MD, FACPMerrillville, IN 464101427162288
  5. Jenee Bhuju, M.D.Merrillville, IN 464101578918108
  6. Radosveta Ivanova Nesch, M.D.Merrillville, IN 464101548350853
  7. Zafar Khalid, MDMerrillville, IN 464101689657975
  8. 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.