William Cain, M.D.
NPI 1356310973 · Anesthesiology Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Cain, M.D. is a Anesthesiology Physician provider in Anaheim, CA (NPI 1356310973).
Provider details
- NPI number
- 1356310973
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G77442 (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
- 2006-03-16
- Last updated
- 2021-10-13
- Certified
- 2021-10-13
Frequently asked questions
- What is William Cain's NPI number?
- William Cain's National Provider Identifier (NPI) is 1356310973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Cain's specialty?
- William Cain is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Cain located?
- William Cain's practice location on file with NPPES is 411 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is William Cain's phone number?
- The practice phone number listed in the NPPES registry for William Cain is (714) 279-4000.
- Does William Cain accept Medicare?
- William Cain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Cain's NPI active?
- Yes — William Cain's NPI (1356310973) is active in the NPPES registry as of the last update on 2021-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.