Donald Denmark, MD, FAAFP
NPI 1942351135 · Family Medicine Physician · Fairfield, CA
Donald Denmark, MD, FAAFP is a Family Medicine Physician provider in Fairfield, CA (NPI 1942351135).
Provider details
- NPI number
- 1942351135
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FAAFP
- Sex
- Male
- Sole proprietor
- Yes
- License
- C52404 (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
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
- 2007-01-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Denmark's NPI number?
- Donald Denmark's National Provider Identifier (NPI) is 1942351135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Denmark's specialty?
- Donald Denmark is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Denmark located?
- Donald Denmark's practice location on file with NPPES is 1200 B Gale Wilson Blvd, Fairfield, CA 94533-3552.
- What is Donald Denmark's phone number?
- The practice phone number listed in the NPPES registry for Donald Denmark is (707) 429-6932.
- Is Donald Denmark's NPI active?
- Yes — Donald Denmark's NPI (1942351135) 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.