Maria Wei, M.D., PH.D.
NPI 1689640864 · Dermatology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Wei, M.D., PH.D. is a Dermatology Physician provider in San Francisco, CA (NPI 1689640864).
Provider details
- NPI number
- 1689640864
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A53307 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,068 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 456 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 290 | $108 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 201 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 181 | $74 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 177 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 79 | 41 |
| Ketoconazole | 31 | — |
| Fluorouracil | 22 | 17 |
| Gabapentin | 20 | — |
| Valacyclovir Hclbrand: Valacyclovir | 18 | — |
| Doxycycline Hyclate | 17 | 14 |
| Betamethasone Dipropionate | 17 | — |
| Fluocinonide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Maria Wei's NPI number?
- Maria Wei's National Provider Identifier (NPI) is 1689640864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Wei's specialty?
- Maria Wei is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Wei located?
- Maria Wei's practice location on file with NPPES is 4150 Clement St Va 190, San Francisco, CA 94121-0000.
- What is Maria Wei's phone number?
- The practice phone number listed in the NPPES registry for Maria Wei is (415) 221-4810.
- Does Maria Wei accept Medicare?
- Maria Wei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Wei's NPI active?
- Yes — Maria Wei's NPI (1689640864) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.