Stephen Chavin, M.D.
NPI 1225323173 · Geriatric Medicine (Internal Medicine) Physician · Santa Rosa, CA
Stephen Chavin, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Santa Rosa, CA (NPI 1225323173).
Provider details
- NPI number
- 1225323173
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 88528 (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
15 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
- 2011-06-17
- Last updated
- 2011-06-17
Frequently asked questions
- What is Stephen Chavin's NPI number?
- Stephen Chavin's National Provider Identifier (NPI) is 1225323173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Chavin's specialty?
- Stephen Chavin is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Chavin located?
- Stephen Chavin's practice location on file with NPPES is 4722 Foulger Dr, Santa Rosa, CA 95405-7910.
- What is Stephen Chavin's phone number?
- The practice phone number listed in the NPPES registry for Stephen Chavin is (707) 539-6625.
- Is Stephen Chavin's NPI active?
- Yes — Stephen Chavin's NPI (1225323173) is active in the NPPES registry as of the last update on 2011-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.