Adelaide Willis, MD
NPI 1073561346ActiveIndividual· Family Medicine· West Covina, CA
Family Medicine (MD) with Mayflower Medical Group Inc, practicing in West Covina, California. Their prescriptions cost Medicare Part D more than their services did: $245,684 for 4,919 claims, against $15,770 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $513.62 in all, mostly food and beverage.
Overview
| NPI | 1073561346 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Apr 28, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A44131 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 270 across 18 procedure codes |
| Paid by Medicare | $15,770 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,919 · 10,816 30-day fills |
|---|---|
| Patients | 427 |
| Total drug cost | $245,684 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Mayflower Medical Group IncCovina, CA · 7 clinicians
Industry payments (Open Payments)
- 2025$513.62 · 24 payments from 10 companies
- 2024$815.64 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $147.04 | 8 |
| Merck Sharp & Dohme LLC | $83.14 | 3 |
| Lilly USA, LLC | $74.60 | 3 |
| Novo Nordisk Inc | $49.03 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $42.57 | 2 |
What the 2025 payments were for
- Food and Beverage$513.62 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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