William Hoffman, MD
NPI 1659339422 · Plastic Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Plastic and Reconstructive Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hoffman, MD is a Plastic Surgery Physician provider in San Francisco, CA (NPI 1659339422).
Provider details
- NPI number
- 1659339422
- Entity type
- Individual
- Primary specialty
- Plastic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G38023 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
109 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $74 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 33 | $39 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $91 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 14 | $149 |
Typical Medicare-allowed amounts for these services range $39–$149 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-02
- Last updated
- 2008-06-06
Frequently asked questions
- What is William Hoffman's NPI number?
- William Hoffman's National Provider Identifier (NPI) is 1659339422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hoffman's specialty?
- William Hoffman is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Hoffman located?
- William Hoffman's practice location on file with NPPES is 350 Parnassus Ave, San Francisco, CA 94143-0001.
- What is William Hoffman's phone number?
- The practice phone number listed in the NPPES registry for William Hoffman is (415) 353-4287.
- Does William Hoffman accept Medicare?
- William Hoffman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hoffman's NPI active?
- Yes — William Hoffman's NPI (1659339422) is active in the NPPES registry as of the last update on 2008-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.