NPPES file of Aug 9, 2026

Thayer Nasereddin, MD

Gastroenterology Physician · Fort Wayne, IN

Thayer Nasereddin, MD is a gastroenterology physician with a practice address in Fort Wayne, Indiana, and NPI 1215391701, issued on Apr 11, 2016. Check the license (Indiana 01087422A, 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
1215391701
Name
Thayer Nasereddin
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
01087422A IN
Self-reported in NPPES; status is on the state search
Practice location
11050 Parkview Circle Dr, Fort Wayne, IN 46845
Phone
(833) 724-8326
Enumerated
Apr 11, 2016
Record last updated
May 11, 2023
Fax
(260) 266-7935
Medicare enrollment
Enrolled (PECOS I20221209002523); accepts Medicare assignment
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 11050 Parkview Circle Dr

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

  1. Maxwell Akanbi, MDHematology & Oncology Physician1457977613
  2. Hannah Armstrong, NPNurse Practitioner1417625732
  3. Syed Ather, M.D.Hospice and Palliative Medicine (Family Medicine) Physician1821034307
  4. Jasmyn BairNurse Practitioner1568114783
  5. Philip Bao, MDSurgery Physician1881735207
  6. Amber BartockNurse Practitioner1659047322

Verify Thayer Nasereddin 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 01087422A
    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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18% fewer Medicare Part D claims than the average gastroenterology physician in 2024

669 Medicare Part D claims for 219 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Thayer Nasereddin669
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium201 claims
  2. Dicyclomine Hcl100 claims
  3. Famotidine63 claims
  4. Colestipol Hcl43 claims
  5. Omeprazole38 claims
  6. Diphenoxylate-Atropine20 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): 81.2 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.

  1. Qualityout of 100 · 30% of the final score69.0
  2. Costout of 100 · 30%68.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,455.12

62 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thayer Nasereddin$1,455.12
  2. Specialty average$5,015.95

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

  1. Indianapolis Gastroenterology LLCIndianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thayer Nasereddin among 372 gastroenterology physician records in Indiana

Thayer Nasereddin, MD is one of 372 gastroenterology physician records with a practice address in Indiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.

  • NPI issued2016 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2016 · median 2001 among the 272 with a school on file
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Indiana

There are 372 gastroenterology physician records in Indiana.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Jonathan BensonFort Wayne, IN 468451417913492
  2. Michael Blum, M.D.Fort Wayne, IN 468451134115165
  3. David Clark, M.D.Fort Wayne, IN 468451679522924
  4. Steven Cohen, MDFort Wayne, IN 468451275608929
  5. Robert Dempsey, M.D.Fort Wayne, IN 468451558567644
  6. Melissa Garrett, MDFort Wayne, IN 468451063610756
  7. David Gutman, MD, FACGFort Wayne, IN 468451376507079
  8. David Heppner, DOFort Wayne, IN 468451336189695

Common questions

What is Thayer Nasereddin, MD's NPI number?

Thayer Nasereddin, MD's National Provider Identifier (NPI) is 1215391701, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Thayer Nasereddin, MD located?

The NPPES record lists a practice address at 11050 Parkview Circle Dr, Fort Wayne, IN, 46845. Phone: (833) 724-8326. Providers update this record themselves, so call before visiting.

How can I verify Thayer Nasereddin, MD's license?

NPPES lists Indiana license number 01087422A, 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 Thayer Nasereddin, MD prescribe under Medicare Part D?

In 2024, Thayer Nasereddin, MD had 669 Medicare Part D claims for 219 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Thayer Nasereddin, MD's MIPS final score?

The 2023 MIPS final score is 81.2 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.