Ajay Kumar Upadhyay, MD
NPI 1104888155ActiveIndividual· Surgery· Oakland, CA
Surgery (MD) with Sutter Bay Medical Foundation, practicing in Oakland, California. 238 Medicare patients in 2024, $66,538 paid; nearly all of their 74 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 7 companies reporting payments in 2025, $1,072 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1104888155 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 5, 2006 |
| Last updated in NPPES | Feb 11, 2025 |
| Certified by provider | Feb 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A53488 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 427 across 64 procedure codes |
| Paid by Medicare | $66,538 |
Part D prescriptions in 2024
| Prescriptions (claims) | 74 · 90 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $1,872 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
- Highland HospitalOakland, CA
- St Rose HospitalHayward, CA
Industry payments (Open Payments)
- 2025$1,072 · 15 payments from 7 companies
- 2024$2,020 · 24 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $414.86 | 4 |
| Teleflex LLC | $303.23 | 5 |
| Intuitive Surgical, Inc. | $204.80 | 2 |
| Tela Bio, Inc. | $71.25 | 1 |
| Integra Lifesciences Corporation | $30.70 | 1 |
What the 2025 payments were for
- Food and Beverage$1,072 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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