Gem Medical Group Corporation
NPI 1689386815 · Emergency Medicine Physician · Monterey Park, CA
Gem Medical Group Corporation is a Emergency Medicine Physician organization in Monterey Park, CA (NPI 1689386815).
Provider details
- NPI number
- 1689386815
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Chon, Ceo(626) 791-5286
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
3 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
- Gem Medical Group
- Doing business as
- Gem Medical Group
Registry dates
- Enumerated
- 2022-12-19
- Last updated
- 2025-03-25
- Certified
- 2025-03-25
Frequently asked questions
- What is Gem Medical Group Corporation's NPI number?
- Gem Medical Group Corporation's National Provider Identifier (NPI) is 1689386815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gem Medical Group Corporation?
- Gem Medical Group Corporation is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gem Medical Group Corporation located?
- Gem Medical Group Corporation's practice location on file with NPPES is 525 N Garfield Ave, Monterey Park, CA 91754-1202.
- What is Gem Medical Group Corporation's phone number?
- The practice phone number listed in the NPPES registry for Gem Medical Group Corporation is (626) 573-2222.
- Who is the authorized official for Gem Medical Group Corporation?
- The authorized official listed on Gem Medical Group Corporation's NPPES record is John Chon, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gem Medical Group Corporation's NPI active?
- Yes — Gem Medical Group Corporation's NPI (1689386815) is active in the NPPES registry as of the last update on 2025-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.