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William Stimmler, M.D.
NPI 1922183318 · Family Medicine Physician · Whittier, CA
William Stimmler, M.D. is a Family Medicine Physician provider in Whittier, CA (NPI 1922183318).
Provider details
- NPI number
- 1922183318
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G50833 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
15725 E Whittier Blvd
Whittier, CA 90603-2347
Phone: (562) 947-8478
Fax: (562) 943-5179
Street-level locationGet directions
Mailing address
P O Box 1277
Whittier, CA 90609-1277
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2008-03-13
Frequently asked questions
- What is William Stimmler's NPI number?
- William Stimmler's National Provider Identifier (NPI) is 1922183318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stimmler's specialty?
- William Stimmler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Stimmler located?
- William Stimmler's practice location on file with NPPES is 15725 E Whittier Blvd, Whittier, CA 90603-2347.
- What is William Stimmler's phone number?
- The practice phone number listed in the NPPES registry for William Stimmler is (562) 947-8478.
- Is William Stimmler's NPI active?
- Yes — William Stimmler's NPI (1922183318) is active in the NPPES registry as of the last update on 2008-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.