Robert Davidson, M.D.
Internal Medicine Physician · Concord, CA
Robert Davidson, M.D. is an internal medicine physician with a practice address in Concord, California, and NPI 1659311108, issued on Jun 6, 2006. Check the license (California G23565, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Davidson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G23565 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Grant St, Concord, CA 94520
- Phone
- (925) 677-0500
- Enumerated
- Jun 6, 2006
- Record last updated
- Jun 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (925) 677-0519
- Medicaid ID
- 00G235650 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2700 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason AdajarPhysical Therapist1689187825
- Johnson Adeyanju, M.D.Internal Medicine Physician1467403147
- Susan Adler-Bressler, M.D.Family Medicine Physician1588615207
- Kris Arneson, P.T.Physical Therapist1669596425
- Alicia Bakkum, NPClinical Nurse Specialist1982793220
- Mike Bannout, M.D.Internal Medicine Physician1598784662
Verify Robert Davidson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G23565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Davidson among 17,696 internal medicine physician records in California
Robert Davidson, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Concord → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Johnson Adeyanju, M.D.Concord, CA 945201467403147
- Jose Arias-VeraConcord, CA 945201497826283
- Mike Bannout, M.D.Concord, CA 945201598784662
- David Bressler, M.D.Concord, CA 945201962456210
- Anna Chang, M.D.Concord, CA 945201568402931
- Lori Danze, M.D.Concord, CA 945201003923236
- Chinnavuth De Monteiro, M.D.Concord, CA 945201558392449
- John Hiss, M.D.Concord, CA 945201386663052
Common questions
What is Robert Davidson, M.D.'s NPI number?
Robert Davidson, M.D.'s National Provider Identifier (NPI) is 1659311108, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Davidson, M.D. located?
The NPPES record lists a practice address at 2700 Grant St, Concord, CA, 94520. Phone: (925) 677-0500. Providers update this record themselves, so call before visiting.
How can I verify Robert Davidson, M.D.'s license?
NPPES lists California license number G23565, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.