United Physicians of California
NPI 1427641570 · Family Medicine Physician · Arcadia, CA
United Physicians of California is a Family Medicine Physician organization in Arcadia, CA (NPI 1427641570).
Provider details
- NPI number
- 1427641570
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- An Pang Chieng, President(626) 757-3776
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
- Multi-Specialty Clinic/Center261QM1300X
Ambulatory Health Care Facilities
- Primary Care Clinic/Center261QP2300X
Ambulatory Health Care Facilities
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
Registry dates
- Enumerated
- 2021-02-18
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is United Physicians of California's NPI number?
- United Physicians of California's National Provider Identifier (NPI) is 1427641570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is United Physicians of California?
- United Physicians of California is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is United Physicians of California located?
- United Physicians of California's practice location on file with NPPES is 65 N 1st Ave Ste 204, Arcadia, CA 91006-3276.
- What is United Physicians of California's phone number?
- The practice phone number listed in the NPPES registry for United Physicians of California is (626) 447-0950.
- Who is the authorized official for United Physicians of California?
- The authorized official listed on United Physicians of California's NPPES record is An Pang Chieng, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is United Physicians of California's NPI active?
- Yes — United Physicians of California's NPI (1427641570) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.