William Wallin, M.D.
NPI 1952320608 · Family Medicine Physician · Richmond, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wallin, M.D. is a Family Medicine Physician provider in Richmond, CA (NPI 1952320608).
Provider details
- NPI number
- 1952320608
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G52040 (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
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Wallin's NPI number?
- William Wallin's National Provider Identifier (NPI) is 1952320608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wallin's specialty?
- William Wallin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Wallin located?
- William Wallin's practice location on file with NPPES is 5337 Zara Ave, Richmond, CA 94805-2413.
- What is William Wallin's phone number?
- The practice phone number listed in the NPPES registry for William Wallin is (510) 215-6827.
- Does William Wallin accept Medicare?
- William Wallin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wallin's NPI active?
- Yes — William Wallin's NPI (1952320608) 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.