Care First Medical Group Inc
NPI 1538831235 · Endocrinology, Diabetes & Metabolism Physician · Westminster, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Care First Medical Group Inc is a Endocrinology, Diabetes & Metabolism Physician organization in Westminster, CA (NPI 1538831235).
Provider details
- NPI number
- 1538831235
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andy Nguyen, Cfo(714) 553-8339
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2021-09-30
- Last updated
- 2022-01-24
- Certified
- 2022-01-24
Frequently asked questions
- What is Care First Medical Group Inc's NPI number?
- Care First Medical Group Inc's National Provider Identifier (NPI) is 1538831235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Care First Medical Group Inc?
- Care First Medical Group Inc is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Care First Medical Group Inc located?
- Care First Medical Group Inc's practice location on file with NPPES is 9211 Bolsa Ave Ste 221, Westminster, CA 92683-5571.
- What is Care First Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Care First Medical Group Inc is (714) 898-9966.
- Does Care First Medical Group Inc accept Medicare?
- Care First Medical Group 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 Care First Medical Group Inc?
- The authorized official listed on Care First Medical Group Inc's NPPES record is Andy Nguyen, Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Care First Medical Group Inc's NPI active?
- Yes — Care First Medical Group Inc's NPI (1538831235) is active in the NPPES registry as of the last update on 2022-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.