Garen Derhartunian, M.D.
NPI 1609133776ActiveIndividual· Internal Medicine· Glendale, CA
Internal Medicine (M.D.) with Elevate Health Group A Medical Corporation and 2 other groups, practicing in Glendale, California. Their prescriptions cost Medicare Part D more than their services did: $2,343,628 for 17,739 claims, against $472,900 paid for services in 2024. Dexcom, Inc. was the largest of 5 companies reporting payments in 2025, $220.67 in all, mostly food and beverage. Lists Glendale Adventist Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1609133776 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 13, 2012 |
| Last updated in NPPES | Jan 22, 2024 |
| Certified by provider | Jan 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A134914 | 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 | 1,316 |
|---|---|
| Services billed | 6,800 across 92 procedure codes |
| Paid by Medicare | $472,900 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17,739 · 23,786 30-day fills |
|---|---|
| Patients | 782 |
| Total drug cost | $2,343,628 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Elevate Health Group A Medical CorporationGlendale, CA · 17 clinicians
- Concord Hospitalist Group A Medical CorporationGlendale, CA · 15 clinicians
- Elevate Hospitalist Group IncGlendale, CA · 8 clinicians
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Glendale Mem Hospital & Hlth CenterGlendale, CA
- Keck Hospital of UscLos Angeles, CA
- Providence Saint Joseph Medical CtrBurbank, CA
- Usc Verdugo Hills HospitalGlendale, CA
Other facilities
- Delight Home Health CareHome health agency · Van Nuys, CA
- Distinctive Home Health, IncHome health agency · La Crescenta, CA
- Empathy Care Home Health, Inc.Home health agency · Santa Clarita, CA
- First Smile Home Health CareHome health agency · Burbank, CA
- Sudario Home Health Care, IncHome health agency · Glendale, CA
- Dedicated Hospice Care, IncHospice · Granada Hills, CA
- Glendale Post Acute CenterNursing home · Glendale, CA
- Montrose Healthcare CenterNursing home · Montrose, CA
- Oakpark Healthcare CenterNursing home · Tujunga, CA
- Providence St Elizabeth Care CenterNursing home · North Hollywood, CA
- York Healthcare & Wellness CentreNursing home · Los Angeles, CA
Industry payments (Open Payments)
- 2025$220.67 · 10 payments from 5 companies
- 2024$484.26 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $50.45 | 2 |
| Pfizer Inc. | $50.30 | 2 |
| Novo Nordisk Inc | $49.49 | 2 |
| Phathom Pharmaceuticals, Inc. | $42.73 | 3 |
| Abbott Laboratories | $27.70 | 1 |
What the 2025 payments were for
- Food and Beverage$220.67 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 169 internal medicine physicians in Glendale · All internal medicine physicians in California