Robert Su, M.D.
NPI 1932439932ActiveIndividual· Internal Medicine, Rheumatology· Fremont, CA
Internal Medicine, Rheumatology (M.D.) in Fremont, California, trained at University of California, San Francisco School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,852,104 for 1,919 claims, against $368,487 paid for services in 2024. Amgen Inc. reported $28,812 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1932439932 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 13, 2010 |
| Last updated in NPPES | May 28, 2020 |
| Certified by provider | May 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A110063 | CA |
| Internal Medicine | 207R00000X | A110063 | 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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 317 |
|---|---|
| Services billed | 23,412 across 42 procedure codes |
| Paid by Medicare | $368,487 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,919 · 3,375 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $1,852,104 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Eden Medical CenterCastro Valley, CA
- Washington HospitalFremont, CA
Industry payments (Open Payments)
- 2025$28,812 · 14 payments from 1 company
- 2024$34,998 · 30 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $28,812 | 14 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$28,576 · 10 payments
- Food and Beverage$165.98 · 3 payments
- Travel and Lodging$70.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other rheumatologists in Fremont
- 1134161524
- 1275746935
- 1811174428
- 1972732600
- 1689202343
- 1659602027
- 1023070786
- 1033415237
- 1790639060
- 1659456325