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Steven Tremain, MD
NPI 1366530701 · Family Medicine Physician · Martinez, CA
Steven Tremain, MD is a Family Medicine Physician provider in Martinez, CA (NPI 1366530701).
Provider details
- NPI number
- 1366530701
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G39779 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2500 Alhambra Avenue
Contra Costa Regional Medical Center and Health Centers
Martinez, CA 94553-3156
Phone: (925) 370-5110
Fax: (925) 370-5142
Street-level locationGet directions
Mailing address
50 Douglas Drive
Martinez, CA 94553-4098
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Tremain's NPI number?
- Steven Tremain's National Provider Identifier (NPI) is 1366530701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Tremain's specialty?
- Steven Tremain is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Tremain located?
- Steven Tremain's practice location on file with NPPES is 2500 Alhambra Avenue, Martinez, CA 94553-3156.
- What is Steven Tremain's phone number?
- The practice phone number listed in the NPPES registry for Steven Tremain is (925) 370-5110.
- Is Steven Tremain's NPI active?
- Yes — Steven Tremain's NPI (1366530701) 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.