IndividualActive
John Anderson, M.D.
NPI 1235435637 · Urology Physician · Fairfield, CA
John Anderson, M.D. is a Urology Physician provider in Fairfield, CA (NPI 1235435637).
Provider details
- NPI number
- 1235435637
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G19714 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
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
4469 Green Valley Road
Fairfield, CA 94534-1365
Phone: (707) 864-8188
Fax: (707) 864-8188
Street-level locationGet directions
Mailing address
4469 Green Valley Road
Fairfield, CA 94534-1365
Registry dates
- Enumerated
- 2011-02-02
- Last updated
- 2011-02-02
Frequently asked questions
- What is John Anderson's NPI number?
- John Anderson's National Provider Identifier (NPI) is 1235435637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Anderson's specialty?
- John Anderson is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Anderson located?
- John Anderson's practice location on file with NPPES is 4469 Green Valley Road, Fairfield, CA 94534-1365.
- What is John Anderson's phone number?
- The practice phone number listed in the NPPES registry for John Anderson is (707) 864-8188.
- Is John Anderson's NPI active?
- Yes — John Anderson's NPI (1235435637) is active in the NPPES registry as of the last update on 2011-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.