Christopher Rombaoa, M.D.
NPI 1225457211ActiveIndividual· Internal Medicine, Gastroenterology· San Jose, CA
Internal Medicine, Gastroenterology (M.D.) with Sutter Bay Medical Foundation, practicing in San Jose, California. Their prescriptions cost Medicare Part D more than their services did: $237,018 for 599 claims, against $69,393 paid for services in 2024. Olympus Medical Systems Corporation was the largest of 15 companies reporting payments in 2025, $4,288 in all, mostly consulting fees. Lists California Pacific Medical Center - Mission Bernal and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225457211 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 7, 2014 |
| Last updated in NPPES | Oct 22, 2021 |
| Certified by provider | Oct 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 1147334 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 597 across 33 procedure codes |
| Paid by Medicare | $69,393 |
Part D prescriptions in 2024
| Prescriptions (claims) | 599 · 911 30-day fills |
|---|---|
| Patients | 183 |
| Total drug cost | $237,018 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- California Pacific Medical Center - Mission BernalSan Francisco, CA
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA
Industry payments (Open Payments)
- 2025$4,288 · 44 payments from 15 companies
- 2024$1,253 · 38 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Medical Systems Corporation | $3,206 | 1 |
| Abbvie Inc. | $273.58 | 11 |
| Lilly USA, LLC | $196.27 | 6 |
| Takeda Pharmaceuticals U.S.A., Inc. | $137.58 | 6 |
| Janssen Biotech, Inc. | $93.73 | 3 |
What the 2025 payments were for
- Consulting Fee$3,206 · 1 payment
- Food and Beverage$1,082 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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