THOMAS WANG MD
NPI 1427548338
Internal Medicine - Gastroenterology in Los Angeles, CA
About Thomas Wang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS WANG MD (NPI 1427548338) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A202773) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2018).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas Wang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Wang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Thomas Wang's NPI number?
The NPI number for Thomas Wang is 1427548338. It was assigned to this individual provider in the NPPES registry on May 16, 2018.
Where is Thomas Wang located?
Thomas Wang practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.
What is Thomas Wang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Thomas Wang enrolled in Medicare?
Yes. Thomas Wang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Wang reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and Rush University Medical Center (Oak Brook, IL). Each 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 Thomas Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thomas Wang was last updated on August 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Thomas Wang, MD · NPI 1427548338
Gastroenterology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 16, 2018.
## Identity
- **NPI:** 1427548338 (Entity type: Individual)
- **Enumerated:** May 16, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A202773 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033-5312
- **Phone:** (323) 442-5100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Rush University Medical Center (NPI 1801375696, Oak Brook, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2018
## Record status
- **NPPES last updated:** August 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1427548338) · Data from the CMS NPPES public registry.