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Jan Corwin, DC
NPI 1366441974 · Sports Physician Chiropractor · Oakland, CA
Jan Corwin, DC is a Sports Physician Chiropractor provider in Oakland, CA (NPI 1366441974).
Provider details
- NPI number
- 1366441974
- Entity type
- Individual
- Primary specialty
- Sports Physician ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- License
- 11882 (CA)
Specialties & taxonomies
Chiropractic Providers
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
494 Hawthorne Ave
Suite a
Oakland, CA 94609-3037
Phone: (510) 654-8547
Fax: (510) 654-9247
Street-level locationGet directions
Mailing address
494 Hawthorne Ave
Oakland, CA 94609-3037
Registry dates
- Enumerated
- 2005-07-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jan Corwin's NPI number?
- Jan Corwin's National Provider Identifier (NPI) is 1366441974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Corwin's specialty?
- Jan Corwin is listed in the NPPES registry with a primary specialty of Sports Physician Chiropractor (Chiropractic Providers).
- Where is Jan Corwin located?
- Jan Corwin's practice location on file with NPPES is 494 Hawthorne Ave, Oakland, CA 94609-3037.
- What is Jan Corwin's phone number?
- The practice phone number listed in the NPPES registry for Jan Corwin is (510) 654-8547.
- Is Jan Corwin's NPI active?
- Yes — Jan Corwin's NPI (1366441974) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.