John Daniel Abdulian, M.D.
NPI 1437114113ActiveIndividual· Internal Medicine, Gastroenterology· Fresno, CA
Internal Medicine, Gastroenterology (M.D.) in Fresno, California, trained at Saint Louis University School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $483,665 for 1,697 claims, against $138,759 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $2,632 in all, mostly food and beverage.
Overview
| NPI | 1437114113 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 18, 2006 |
| Last updated in NPPES | Sep 27, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | M2891 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 555 |
|---|---|
| Services billed | 1,222 across 52 procedure codes |
| Paid by Medicare | $138,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,697 · 4,191 30-day fills |
|---|---|
| Patients | 474 |
| Total drug cost | $483,665 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Gastroenterology |
Medical group
- Community Foundation Medical GroupFresno, CA · 283 clinicians
Hospital affiliations
- Clovis Community Medical CenterClovis, CA
- Community Regional Medical CenterFresno, CA
- Saint Agnes Medical CenterFresno, CA
Industry payments (Open Payments)
- 2025$2,632 · 129 payments from 18 companies
- 2024$3,057 · 150 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $802.24 | 47 |
| Boston Scientific Corporation | $436.99 | 7 |
| Janssen Biotech, Inc. | $324.85 | 15 |
| Aimmune Therapeutics, Inc. | $223.99 | 29 |
| Madrigal Pharmaceuticals | $201.54 | 5 |
What the 2025 payments were for
- Food and Beverage$2,632 · 129 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 gastroenterologists in Fresno · All gastroenterologists in California