Bobby Tay, MD
NPI 1124065164ActiveIndividual· Orthopaedic Surgery· San Francisco, CA
Orthopaedic Surgery (MD) in San Francisco, California, trained at University of California, San Francisco School of Medicine (class of 1993). Mostly services rather than prescriptions: Medicare paid $163,927 for 207 patients in 2024, with only 34 Part D claims. Medtronic, Inc. was the largest of 8 companies reporting payments in 2025, $1,811 in all, mostly food and beverage.
Overview
| NPI | 1124065164 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G80047 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 549 across 47 procedure codes |
| Paid by Medicare | $163,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 36 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $2,790 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- Opo Health, LLCHome health agency · San Mateo, CA
Industry payments (Open Payments)
- 2025$1,811 · 21 payments from 8 companies
- 2024$2,034 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $730.11 | 12 |
| Orthofix Medical, Inc. | $312.89 | 2 |
| Globus Medical, Inc. | $246.59 | 2 |
| Providence Medical Technology, Inc. | $206.30 | 1 |
| Spineart USA Inc | $141.01 | 1 |
What the 2025 payments were for
- Food and Beverage$1,811 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 153 orthopedic surgeons in San Francisco · All orthopedic surgeons in California