Gem Medical Associates
NPI 1437849353 · Infectious Disease Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gem Medical Associates is a Infectious Disease Physician organization in Los Angeles, CA (NPI 1437849353).
Provider details
- NPI number
- 1437849353
- Entity type
- Organization
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Li, Founder(626) 383-6041
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 Associates
- Doing business as
- Gem Medical Associates
Registry dates
- Enumerated
- 2023-05-12
- Last updated
- 2024-08-22
- Certified
- 2024-08-22
Frequently asked questions
- What is Gem Medical Associates's NPI number?
- Gem Medical Associates's National Provider Identifier (NPI) is 1437849353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gem Medical Associates?
- Gem Medical Associates is classified in the NPPES registry as Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gem Medical Associates located?
- Gem Medical Associates's practice location on file with NPPES is 1300 N Vermont Ave, Los Angeles, CA 90027-6098.
- What is Gem Medical Associates's phone number?
- The practice phone number listed in the NPPES registry for Gem Medical Associates is (213) 413-3000.
- Does Gem Medical Associates accept Medicare?
- Gem Medical Associates 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 Gem Medical Associates?
- The authorized official listed on Gem Medical Associates's NPPES record is William Li, Founder. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gem Medical Associates's NPI active?
- Yes — Gem Medical Associates's NPI (1437849353) is active in the NPPES registry as of the last update on 2024-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.