William Mason, DPM
NPI 1538111315 · Podiatrist · Santa Rosa, CA
William Mason, DPM is a Podiatrist provider in Santa Rosa, CA (NPI 1538111315).
Provider details
- NPI number
- 1538111315
- Entity type
- Individual
- Primary specialty
- PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- Yes
- License
- E1999 (CA)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-17
- Last updated
- 2011-01-24
Frequently asked questions
- What is William Mason's NPI number?
- William Mason's National Provider Identifier (NPI) is 1538111315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mason's specialty?
- William Mason is listed in the NPPES registry with a primary specialty of Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is William Mason located?
- William Mason's practice location on file with NPPES is 1903 Fountainview Circle, Santa Rosa, CA 95403-5709.
- What is William Mason's phone number?
- The practice phone number listed in the NPPES registry for William Mason is (707) 541-6133.
- Is William Mason's NPI active?
- Yes — William Mason's NPI (1538111315) is active in the NPPES registry as of the last update on 2011-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.