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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. NANCY BARBARA LAZARUS M.D.
NPI 1073598223
Internal Medicine in Martinez, CA

Active since December 09, 2005
150 MUIR RD, VANCHCS, MARTINEZ, CA 94553(707) 437-1800 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Nancy Barbara Lazarus M.d. NPPES

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

DR. NANCY BARBARA LAZARUS M.D. (NPI 1073598223) is an individual internal medicine provider in Martinez, California, licensed in California (G39904) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1073598223
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NANCY BARBARA LAZARUSCredential: M.D.
Location Address150 MUIR RD, VANCHCSMartinez, CA 94553-4668
Mailing Address51 College ParkDavis, CA 95616-3643 · (530) 792-0731
Phone(707) 437-1800
Sole ProprietorNo
Enumeration DateDecember 9, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1073598223 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 · G39904
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.
150 MUIR RD, Martinez, CA 94553
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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.

SAHIBA SINGH CHOWDHARY PSYD
Psychologist (Clinical)
150 MUIR RD
MARTINEZ, CA 94553
Contra Costa County (925) 372-2557
NESLIHAN JAMES-KANGAL PHD
Psychologist
150 MUIR RD
MARTINEZ, CA 94553
Contra Costa County (925) 370-4783
DR. BERNADETTE M DUGONI PHARM D
Pharmacist
150 MUIR RD
MARTINEZ, CA 94553
Contra Costa County (925) 372-2390
PAMELA ADHLAKHA
Occupational Therapist
150 MUIR RD
MARTINEZ, CA 94553
Contra Costa County (925) 370-4751
DR. ASHIQ MATHEW GEORGE M.D.
Psychiatry & Neurology (Psychiatry)
150 MUIR RD, MENTAL HEALTH CLINIC (116)
MARTINEZ, CA 94553
Contra Costa County (925) 372-2000
UMELO UGWOABA PHD, MPH
Psychologist
150 MUIR RD
MARTINEZ, CA 94553
Contra Costa County (925) 372-2558
BRENT RICHARD FERM PHD
Psychologist
150 MUIR RD, MENTAL HEALTH
MARTINEZ, CA 94553
Contra Costa County (925) 372-2105
DR. MATTHEW S. FALK MD
Nuclear Medicine
150 MUIR RD, VA NORTHERN CALIFORNIA HEALTH CARE SYSTEM
MARTINEZ, CA 94553
Contra Costa County (925) 372-2124

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 Nancy Lazarus's NPI number?

The NPI number for Nancy Lazarus is 1073598223. It was assigned to this individual provider in the NPPES registry on December 9, 2005.

Where is Nancy Lazarus located?

Nancy Lazarus practices at 150 Muir Rd Vanchcs, Martinez, CA 94553. The listed phone number is (707) 437-1800.

What is Nancy Lazarus'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 Nancy Lazarus was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.