IndividualActive
Nancy Lazarus, M.D.
NPI 1073598223 · Internal Medicine Physician · Martinez, CA
Nancy Lazarus, M.D. is a Internal Medicine Physician provider in Martinez, CA (NPI 1073598223).
Provider details
- NPI number
- 1073598223
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- G39904 (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
150 Muir Rd
Vanchcs
Martinez, CA 94553-4668
Phone: (707) 437-1800
Street-level locationGet directions
Mailing address
51 College Park
Davis, CA 95616-3643
Registry dates
- Enumerated
- 2005-12-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Lazarus's NPI number?
- Nancy Lazarus's National Provider Identifier (NPI) is 1073598223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Lazarus's specialty?
- Nancy Lazarus is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Lazarus located?
- Nancy Lazarus's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.
- What is Nancy Lazarus's phone number?
- The practice phone number listed in the NPPES registry for Nancy Lazarus is (707) 437-1800.
- Is Nancy Lazarus's NPI active?
- Yes — Nancy Lazarus's NPI (1073598223) 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.