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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ROBERT DAVIDSON M.D.
NPI 1659311108
Internal Medicine in Concord, CA

Active since June 06, 2006
2700 GRANT ST, SUITE 200, CONCORD, CA 94520(925) 677-0500(925) 677-0519 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Robert Davidson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT DAVIDSON M.D. (NPI 1659311108) is an individual internal medicine provider in Concord, California, licensed in California (G23565) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1659311108
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT DAVIDSONCredential: M.D.
Location Address2700 GRANT ST, SUITE 200Concord, CA 94520-2266
Mailing AddressDept 34929, P.o. Box 39000San Francisco, CA 94139-0001 · (925) 952-2828 · Fax (925) 952-2850
Phone(925) 677-0500
Fax(925) 677-0519
Sole ProprietorNo
Enumeration DateJune 6, 2006
Last NPPES UpdateAugust 24, 2026
✔ NPI 1659311108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G23565
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2700 GRANT ST, Concord, CA 94520
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Other Identifiers 1

Medicaid00G235650CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ERIC PAUL HOENIG M.D.
Hospitalist
2700 GRANT ST, SUITE 200
CONCORD, CA 94520
Contra Costa County (925) 674-2609
CONTRA COSTA ENT MEDICAL ASSOC
Otolaryngology
2700 GRANT ST, SUITE 104
CONCORD, CA 94520
Contra Costa County (925) 685-7400
DR. ARSEEN E SOLIMAN M.D.
Internal Medicine
2700 GRANT ST, SUITE 200
CONCORD, CA 94520
Contra Costa County (925) 677-0500
ARRHYTHMIA SPECIALISTS INC
Internal Medicine (Cardiovascular Disease)
2700 GRANT ST, 319
CONCORD, CA 94520
Contra Costa County (925) 935-2070
DR. JULIE ANNE CAHILL M.D.
Internal Medicine
2700 GRANT ST, SUITE 200
CONCORD, CA 94520
Contra Costa County (925) 677-0500
LISA QUINONES MD
Family Medicine
2700 GRANT ST, STE 200
CONCORD, CA 94520
Contra Costa County (925) 677-0510
PHILIP JAMES GOMEZ JR. P.T.
Physical Therapist
2700 GRANT ST
CONCORD, CA 94520
Contra Costa County (925) 673-2125
NORCAL UROLOGY MEDICAL GROUP
Urology
2700 GRANT ST, SUITE 316
CONCORD, CA 94520
Contra Costa County (925) 825-8100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Davidson's NPI number?

The NPI number for Robert Davidson is 1659311108. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Robert Davidson located?

Robert Davidson practices at 2700 Grant St Suite 200, Concord, CA 94520. The listed phone number is (925) 677-0500.

What is Robert Davidson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Robert Davidson was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.