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Stephen Thacker, D.O.
NPI 1003854274 · Family Medicine Physician · Brea, CA
Stephen Thacker, D.O. is a Family Medicine Physician provider in Brea, CA (NPI 1003854274).
Provider details
- NPI number
- 1003854274
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A5071 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
340 W Central Ave Ste 110
Attention: Maggie Noles
Brea, CA 92821-3006
Phone: (714) 529-3971
Fax: (714) 529-1070
Street-level locationGet directions
Mailing address
Po Box 51238
Los Angeles, CA 90051-5538
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2007-07-16
Frequently asked questions
- What is Stephen Thacker's NPI number?
- Stephen Thacker's National Provider Identifier (NPI) is 1003854274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Thacker's specialty?
- Stephen Thacker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Thacker located?
- Stephen Thacker's practice location on file with NPPES is 340 W Central Ave Ste 110, Brea, CA 92821-3006.
- What is Stephen Thacker's phone number?
- The practice phone number listed in the NPPES registry for Stephen Thacker is (714) 529-3971.
- Is Stephen Thacker's NPI active?
- Yes — Stephen Thacker's NPI (1003854274) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.