Daniel Golpanian, M.D.
NPI 1639526957ActiveIndividual· Internal Medicine, Gastroenterology· Pasadena, CA
Internal Medicine, Gastroenterology (M.D.) with Genesis Healthcare Partners PC, practicing in Pasadena, California. In 2024 Medicare paid $35,973 for 88 patients, and Part D covered 366 of their prescriptions, 73% of them generic. Madrigal Pharmaceuticals was the largest of 8 companies reporting payments in 2025, $1,272 in all, mostly food and beverage. Lists Huntington Hospital as a hospital affiliation.
Overview
| NPI | 1639526957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 17, 2016 |
| Last updated in NPPES | Aug 20, 2025 |
| Certified by provider | Aug 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A201016 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 176 across 16 procedure codes |
| Paid by Medicare | $35,973 |
Part D prescriptions in 2024
| Prescriptions (claims) | 366 · 496 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $25,125 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$1,272 · 23 payments from 8 companies
- 2024$296.76 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $351.90 | 6 |
| Ardelyx, Inc. | $271.16 | 5 |
| Janssen Biotech, Inc. | $215.07 | 5 |
| Steris Corporation | $158.48 | 1 |
| Gilead Sciences, Inc. | $124.98 | 1 |
What the 2025 payments were for
- Food and Beverage$1,272 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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