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Robert Davidson, M.D.
NPI 1659311108 · Internal Medicine Physician · Concord, CA
Robert Davidson, M.D. is a Internal Medicine Physician provider in Concord, CA (NPI 1659311108).
Provider details
- NPI number
- 1659311108
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G23565 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2700 Grant St
Suite 200
Concord, CA 94520-2266
Phone: (925) 677-0500
Fax: (925) 677-0519
Street-level locationGet directions
Mailing address
Dept 34929
San Francisco, CA 94139-0001
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2012-06-18
Frequently asked questions
- What is Robert Davidson's NPI number?
- Robert Davidson's National Provider Identifier (NPI) is 1659311108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Davidson's specialty?
- Robert Davidson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Davidson located?
- Robert Davidson's practice location on file with NPPES is 2700 Grant St, Concord, CA 94520-2266.
- What is Robert Davidson's phone number?
- The practice phone number listed in the NPPES registry for Robert Davidson is (925) 677-0500.
- Is Robert Davidson's NPI active?
- Yes — Robert Davidson's NPI (1659311108) is active in the NPPES registry as of the last update on 2012-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.