GEM MEDICAL ASSOCIATES
NPI 1437849353
Internal Medicine - Infectious Disease in Los Angeles, CA
About Gem Medical Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEM MEDICAL ASSOCIATES (NPI 1437849353) is a healthcare organization registered as an infectious disease in Los Angeles, California and active in the NPI registry since May 2023. The organization lists William Li, Founder, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gem Medical Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Gem Medical Associates, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gem Medical Associates's NPI number?
The NPI number for Gem Medical Associates is 1437849353. It was assigned to this organization in the NPPES registry on May 12, 2023.
Where is Gem Medical Associates located?
Gem Medical Associates is located at 1300 N Vermont Ave, Los Angeles, CA 90027. The listed phone number is (213) 413-3000.
What is Gem Medical Associates's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Gem Medical Associates enrolled in Medicare?
Yes. Gem Medical Associates is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gem Medical Associates?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Infectious Disease) reassigns their Medicare billing to Gem Medical Associates. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Gem Medical Associates was last updated on August 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gem Medical Associates · NPI 1437849353
Infectious Disease organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since May 12, 2023.
## Identity
- **NPI:** 1437849353 (Entity type: Organization)
- **Enumerated:** May 12, 2023
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Organization subpart:** No
- **Authorized official:** William Li, FOUNDER
## Practice location
- **Address:** 1300 N VERMONT AVE, Los Angeles, CA 90027-6098
- **Phone:** (213) 413-3000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Infectious Disease) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1437849353) · Data from the CMS NPPES public registry.