St. Joseph - St. Theresa Medical, Inc.
NPI 1790367779 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
St. Joseph - St. Theresa Medical, Inc. is a Internal Medicine Physician organization in Fountain Valley, CA (NPI 1790367779).
Provider details
- NPI number
- 1790367779
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lily DO, Owner / Medical Doctor(714) 760-4903
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
5 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
Other names (DBA / former)
- Doing business as
- St. Joseph - St. Theresa Medical
Registry dates
- Enumerated
- 2021-04-28
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is St. Joseph - St. Theresa Medical, Inc.'s NPI number?
- St. Joseph - St. Theresa Medical, Inc.'s National Provider Identifier (NPI) is 1790367779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is St. Joseph - St. Theresa Medical, Inc.?
- St. Joseph - St. Theresa Medical, Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is St. Joseph - St. Theresa Medical, Inc. located?
- St. Joseph - St. Theresa Medical, Inc.'s practice location on file with NPPES is 11180 Warner Ave, Fountain Valley, CA 92708-7501.
- What is St. Joseph - St. Theresa Medical, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for St. Joseph - St. Theresa Medical, Inc. is (714) 760-4903.
- Does St. Joseph - St. Theresa Medical, Inc. accept Medicare?
- St. Joseph - St. Theresa Medical, Inc. 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 St. Joseph - St. Theresa Medical, Inc.?
- The authorized official listed on St. Joseph - St. Theresa Medical, Inc.'s NPPES record is Lily DO, Owner / Medical Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is St. Joseph - St. Theresa Medical, Inc.'s NPI active?
- Yes — St. Joseph - St. Theresa Medical, Inc.'s NPI (1790367779) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.