David Wei, M.D.
NPI 1437354081ActiveIndividual· Emergency Medicine· Walnut Creek, CA
Emergency Medicine (M.D.) in Walnut Creek, California, trained at Northwestern University Feinberg Medical School (class of 2007). In 2024 Medicare paid $150,085 for 790 patients, and Part D covered 266 of their prescriptions, 88% of them generic. Convatec Inc. was the largest of 6 companies reporting payments in 2025, $354.75 in all, mostly food and beverage.
Overview
| NPI | 1437354081 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2007 |
| Last updated in NPPES | Oct 11, 2025 |
| Certified by provider | Oct 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A112876 | CA |
| General Practice | 208D00000X | A112876 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 790 |
|---|---|
| Services billed | 1,748 across 59 procedure codes |
| Paid by Medicare | $150,085 |
Part D prescriptions in 2024
| Prescriptions (claims) | 266 · 275 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $52,206 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
- Medamerica Physician Solutions PCWalnut Creek, CA · 28 clinicians
- Cep America - Auc PCWalnut Creek, CA · 16 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
Industry payments (Open Payments)
- 2025$354.75 · 6 payments from 6 companies
- 2024$83.17 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Convatec Inc. | $149.65 | 1 |
| Kerecis Limited | $83.46 | 1 |
| Smith+nephew, Inc. | $46.16 | 1 |
| Organogenesis Inc. | $32.70 | 1 |
| Solventum Corporation | $25.57 | 1 |
What the 2025 payments were for
- Food and Beverage$354.75 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 100 emergency medicine physicians in Walnut Creek · All emergency medicine physicians in California