Henrik Ghantarchyan, MD
NPI 1699359521ActiveIndividual· Internal Medicine· Colton, CA
Internal Medicine (MD) with Dignity Health Medical Foundation and 3 other groups, practicing in Colton, California. Part D covered 136 prescriptions written in 2024, 79% of them generic. Verona Pharma, Inc. was the largest of 10 companies reporting payments in 2025, $558.51 in all, mostly food and beverage. Lists Adventist Health White Memorial and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1699359521 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 6, 2021 |
| Last updated in NPPES | Jan 8, 2025 |
| Certified by provider | Jan 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A194618 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 207 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $15,955 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
- Inpatient Specialists of California PCOakdale, CA · 385 clinicians
- Quantum Healthcare Medical Associates IncHilo, HI · 109 clinicians
- Clinic Services of California Medical Group IncColton, CA · 61 clinicians
Hospital affiliations
- Adventist Health White MemorialLos Angeles, CA
- Arrowhead Regional Medical CenterColton, CA
- Northridge Hospital Medical CenterNorthridge, CA
Industry payments (Open Payments)
- 2025$558.51 · 18 payments from 10 companies
- 2024$334.31 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verona Pharma, Inc. | $214.79 | 4 |
| Genzyme Corporation | $87.52 | 3 |
| United Therapeutics Corporation | $81.90 | 3 |
| Merck Sharp & Dohme LLC | $37.50 | 2 |
| Chiesi USA, Inc. | $26.81 | 1 |
What the 2025 payments were for
- Food and Beverage$558.51 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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