Derenik Estepanian, M.D.
NPI 1457714982ActiveIndividual· Hospitalist· West Hollywood, CA
Hospitalist (M.D.) with Galen Inpatient Physicians PC and 2 other groups, practicing in West Hollywood, California. In 2024 Medicare paid $216,884 for 743 patients, and Part D covered 886 of their prescriptions, 85% of them generic. Abbvie Inc. reported $27.89 in payments in 2025, mostly food and beverage. Lists Cedars-Sinai Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1457714982 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2016 |
| Last updated in NPPES | Sep 30, 2021 |
| Certified by provider | Sep 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A151787 | CA |
| Internal Medicine | 207R00000X | 151787 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 743 |
|---|---|
| Services billed | 2,357 across 17 procedure codes |
| Paid by Medicare | $216,884 |
Part D prescriptions in 2024
| Prescriptions (claims) | 886 · 976 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $67,184 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Inpatient Specialists of California PCOakdale, CA · 385 clinicians
- Concord Hospitalist Group A Medical CorporationGlendale, CA · 15 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Glendale Adventist Medical CenterGlendale, CA
- Keck Hospital of UscLos Angeles, CA
- St Johns Regional Medical CenterOxnard, CA
- Usc Verdugo Hills HospitalGlendale, CA
Other facilities
- Universal Home Care, Inc.Home health agency · Beverly Hills, CA
- Wish Home Health Care IncHome health agency · Burbank, CA
- Dedicated Hospice Care, IncHospice · Granada Hills, CA
- Glendale Adventist Medical Center Dp/SnfNursing home · Glendale, CA
- Leisure Glen Post Acute Care CenterNursing home · Glendale, CA
- La Crescenta Healthcare CenterNursing home · La Crescenta, CA
Industry payments (Open Payments)
- 2025$27.89 · 2 payments from 1 company
- 2024$161.62 · 7 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $27.89 | 2 |
What the 2025 payments were for
- Food and Beverage$27.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 hospitalists in West Hollywood · All hospitalists in California