Sepideh Tafreshian, M.D.
NPI 1174771331ActiveIndividual· Family Medicine· Pleasanton, CA
Family Medicine (M.D.) with John Muir Physician Network, practicing in Pleasanton, California. Their prescriptions cost Medicare Part D more than their services did: $261,406 for 3,156 claims, against $118,197 paid for services in 2024. Novo Nordisk Inc was the largest of 14 companies reporting payments in 2025, $883.64 in all, mostly food and beverage. Lists John Muir Medical Center - Walnut Creek Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1174771331 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 29, 2008 |
| Last updated in NPPES | Oct 9, 2026 |
| Certified by provider | Oct 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A104881 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 301 |
|---|---|
| Services billed | 1,621 across 54 procedure codes |
| Paid by Medicare | $118,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,156 · 7,478 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $261,406 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$883.64 · 40 payments from 14 companies
- 2024$987.63 · 41 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $182.50 | 9 |
| Lilly USA, LLC | $109.66 | 6 |
| Astrazeneca Pharmaceuticals LP | $79.93 | 3 |
| Pfizer Inc. | $78.63 | 4 |
| Glaxosmithkline, LLC. | $74.38 | 3 |
What the 2025 payments were for
- Food and Beverage$883.64 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 family medicine physicians in Pleasanton · All family medicine physicians in California