Sonya Buchanan, M.D.
NPI 1053439083 · Occupational Medicine Physician · Irvine, CA
Sonya Buchanan, M.D. is a Occupational Medicine Physician provider in Irvine, CA (NPI 1053439083).
Provider details
- NPI number
- 1053439083
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 009901509 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-03-27
- Last updated
- 2016-04-05
Frequently asked questions
- What is Sonya Buchanan's NPI number?
- Sonya Buchanan's National Provider Identifier (NPI) is 1053439083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonya Buchanan's specialty?
- Sonya Buchanan is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sonya Buchanan located?
- Sonya Buchanan's practice location on file with NPPES is 15751 Rockfield Blvd, Irvine, CA 92618-2832.
- What is Sonya Buchanan's phone number?
- The practice phone number listed in the NPPES registry for Sonya Buchanan is (949) 206-9100.
- Is Sonya Buchanan's NPI active?
- Yes — Sonya Buchanan's NPI (1053439083) is active in the NPPES registry as of the last update on 2016-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.