William L. Caton III M.D., Inc
NPI 1689740805 · Neurological Surgery Physician · Pasadena, CA
William L. Caton III M.D., Inc is a Neurological Surgery Physician organization in Pasadena, CA (NPI 1689740805).
Provider details
- NPI number
- 1689740805
- Entity type
- Organization
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Caton, President(626) 793-8194
- License
- G23691 (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
- 2006-11-28
- Last updated
- 2010-07-28
Frequently asked questions
- What is William L. Caton III M.D., Inc's NPI number?
- William L. Caton III M.D., Inc's National Provider Identifier (NPI) is 1689740805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William L. Caton III M.D., Inc?
- William L. Caton III M.D., Inc is classified in the NPPES registry as Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William L. Caton III M.D., Inc located?
- William L. Caton III M.D., Inc's practice location on file with NPPES is 630 S Raymond Ave, Pasadena, CA 91105-3278.
- What is William L. Caton III M.D., Inc's phone number?
- The practice phone number listed in the NPPES registry for William L. Caton III M.D., Inc is (626) 793-8194.
- Who is the authorized official for William L. Caton III M.D., Inc?
- The authorized official listed on William L. Caton III M.D., Inc's NPPES record is William Caton, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William L. Caton III M.D., Inc's NPI active?
- Yes — William L. Caton III M.D., Inc's NPI (1689740805) is active in the NPPES registry as of the last update on 2010-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.