William Watson, M.D.
NPI 1023007507 · Otolaryngology Physician · San Luis Obispo, CA
William Watson, M.D. is a Otolaryngology Physician provider in San Luis Obispo, CA (NPI 1023007507).
Provider details
- NPI number
- 1023007507
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G42368 (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
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
- 2005-10-18
- Last updated
- 2007-11-28
Frequently asked questions
- What is William Watson's NPI number?
- William Watson's National Provider Identifier (NPI) is 1023007507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Watson's specialty?
- William Watson is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is William Watson located?
- William Watson's practice location on file with NPPES is 1035 Peach St, San Luis Obispo, CA 93401-2700.
- What is William Watson's phone number?
- The practice phone number listed in the NPPES registry for William Watson is (805) 545-5665.
- Is William Watson's NPI active?
- Yes — William Watson's NPI (1023007507) is active in the NPPES registry as of the last update on 2007-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.