William Littman, MD
NPI 1285739532 · Dermatology Physician · Oakland, CA
Enrolled with Medicare as Order and Referring Only - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Littman, MD is a Dermatology Physician provider in Oakland, CA (NPI 1285739532).
Provider details
- NPI number
- 1285739532
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G31196 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 136 | 77 |
| Mometasone Furoate | 81 | 60 |
| Clobetasol Propionate | 49 | 25 |
| Prednisone | 48 | 12 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 46 | 15 |
| Fluocinonide | 31 | 19 |
| Clindamycin Phosphate | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$405 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2011-04-14
Frequently asked questions
- What is William Littman's NPI number?
- William Littman's National Provider Identifier (NPI) is 1285739532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Littman's specialty?
- William Littman is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Littman located?
- William Littman's practice location on file with NPPES is 460 34th St, Oakland, CA 94609.
- What is William Littman's phone number?
- The practice phone number listed in the NPPES registry for William Littman is (510) 652-8091.
- Does William Littman accept Medicare?
- William Littman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Littman's NPI active?
- Yes — William Littman's NPI (1285739532) is active in the NPPES registry as of the last update on 2011-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.