William Clauson, M.D.
NPI 1427072560 · Pain Medicine (Anesthesiology) Physician · Fremont, CA
William Clauson, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Fremont, CA (NPI 1427072560).
Provider details
- NPI number
- 1427072560
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G27171 (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 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
- 2006-07-26
- Last updated
- 2016-10-11
Frequently asked questions
- What is William Clauson's NPI number?
- William Clauson's National Provider Identifier (NPI) is 1427072560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Clauson's specialty?
- William Clauson is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Clauson located?
- William Clauson's practice location on file with NPPES is 38069 Martha Ave, Fremont, CA 94536-3811.
- What is William Clauson's phone number?
- The practice phone number listed in the NPPES registry for William Clauson is (510) 744-9153.
- Is William Clauson's NPI active?
- Yes — William Clauson's NPI (1427072560) is active in the NPPES registry as of the last update on 2016-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.