Michelle R. Davis, PA-C
Physician Assistant (PA-C) with Healthcare Partners Affiliates Medical Group, practicing in Santa Ana, California. Their prescriptions cost Medicare Part D more than their services did: $556,720 for 5,681 claims, against $6,757 paid for services in 2024. Incyte Corporation reported $55.01 in payments in 2025, 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 | 1275648842 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 21, 2006 |
| Last updated in NPPES | Feb 19, 2026 |
| Certified by provider | Feb 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA18209 | 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 | Michelle Davis · Nurse/Nurses Aide | 1128b4 | May 20, 2007 | San Marcos, 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 108 across 23 procedure codes |
| Paid by Medicare | $6,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,681 · 13,724 30-day fills |
|---|---|
| Patients | 728 |
| Total drug cost | $556,720 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Industry payments (Open Payments)
- 2025$55.01 · 3 payments from 1 company
- 2024$242.14 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $55.01 | 3 |
What the 2025 payments were for
- Food and Beverage$55.01 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 123 physician assistants in Santa Ana · All physician assistants in California