William Wei, MD
NPI 1144970930 · Family Medicine Physician · Ukiah, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wei, MD is a Family Medicine Physician provider in Ukiah, CA (NPI 1144970930).
Provider details
- NPI number
- 1144970930
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 200383 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 29 | 17 |
| Levothyroxine Sodium | 22 | — |
| Gabapentin | 18 | — |
| Lisinopril | 17 | — |
| Amlodipine Besylate | 16 | — |
| Omeprazole | 12 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-25
- Last updated
- 2025-07-24
- Certified
- 2025-07-24
Frequently asked questions
- What is William Wei's NPI number?
- William Wei's National Provider Identifier (NPI) is 1144970930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wei's specialty?
- William Wei is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Wei located?
- William Wei's practice location on file with NPPES is 260 Hospital Dr Ste 103, Ukiah, CA 95482-4568.
- What is William Wei's phone number?
- The practice phone number listed in the NPPES registry for William Wei is (707) 463-8000.
- Does William Wei accept Medicare?
- William Wei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wei's NPI active?
- Yes — William Wei's NPI (1144970930) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.