Sonya M. Ehresmann, M.D.
NPI 1750533212ActiveIndividual· Internal Medicine· San Marino, CA
Internal Medicine (M.D.) with The Huntington Medical Foundation, practicing in San Marino, California. Their prescriptions cost Medicare Part D more than their services did: $209,519 for 3,065 claims, against $46,353 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2024, $142.25 in all, mostly food and beverage. Lists Huntington Hospital as a hospital affiliation.
Overview
| NPI | 1750533212 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 15, 2008 |
| Last updated in NPPES | May 5, 2021 |
| Certified by provider | May 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A100206 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 647 across 26 procedure codes |
| Paid by Medicare | $46,353 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,065 · 7,251 30-day fills |
|---|---|
| Patients | 378 |
| Total drug cost | $209,519 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Huntington Medical FoundationPasadena, CA · 44 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2024$142.25 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $121.81 | 1 |
| Boston Scientific Corporation | $20.44 | 1 |
What the 2024 payments were for
- Food and Beverage$142.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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