Tri-Valley Family Medicine
NPI 1245483759 · Family Medicine Physician · Livermore, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tri-Valley Family Medicine is a Family Medicine Physician organization in Livermore, CA (NPI 1245483759).
Provider details
- NPI number
- 1245483759
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lorena Tan, Owner(925) 443-9000
- License
- A61352 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Mailing address
Registry dates
- Enumerated
- 2008-10-28
- Last updated
- 2016-11-15
Frequently asked questions
- What is Tri-Valley Family Medicine's NPI number?
- Tri-Valley Family Medicine's National Provider Identifier (NPI) is 1245483759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tri-Valley Family Medicine?
- Tri-Valley Family Medicine is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tri-Valley Family Medicine located?
- Tri-Valley Family Medicine's practice location on file with NPPES is 1133 E Stanley Blvd, Livermore, CA 94550-4200.
- What is Tri-Valley Family Medicine's phone number?
- The practice phone number listed in the NPPES registry for Tri-Valley Family Medicine is (925) 443-9000.
- Does Tri-Valley Family Medicine accept Medicare?
- Tri-Valley Family Medicine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Tri-Valley Family Medicine?
- The authorized official listed on Tri-Valley Family Medicine's NPPES record is Lorena Tan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tri-Valley Family Medicine's NPI active?
- Yes — Tri-Valley Family Medicine's NPI (1245483759) is active in the NPPES registry as of the last update on 2016-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.