Andrew Hamilton Lewis, DO
Emergency Medicine (DO) in Santa Cruz, California, trained at Michigan State University College of Osteopathic Medicine (class of 1999). In 2024 Medicare paid $24,973 for 108 patients, and Part D covered 295 of their prescriptions, 85% of them generic. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $130.25 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1861432023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Apr 30, 2021 |
| Certified by provider | Apr 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A8147 | CA |
| Family Medicine | 207Q00000X | 20A8147 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Andrew Howard Lewis | 1128a1 | May 20, 1999 | Los Gatos, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 | 108 |
|---|---|
| Services billed | 276 across 33 procedure codes |
| Paid by Medicare | $24,973 |
Part D prescriptions in 2024
| Prescriptions (claims) | 295 · 458 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $28,432 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Family Practice |
| Secondary specialties | Emergency Medicine |
| Telehealth | Offers telehealth |
Medical groups
- UCSF Health Medical FoundationOakland, CA · 66 clinicians
- Salud Para la GenteWatsonville, CA · 41 clinicians
Hospital affiliation
- Dominican HospitalSanta Cruz, CA
Other facilities
- Sutter Care at HomeHome health agency · Santa Cruz, CA
Industry payments (Open Payments)
- 2025$130.25 · 6 payments from 3 companies
- 2024$55.88 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $82.87 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $33.29 | 1 |
| Exact Sciences Corporation | $14.09 | 1 |
What the 2025 payments were for
- Food and Beverage$130.25 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 emergency medicine physicians in Santa Cruz · All emergency medicine physicians in California