DR. WEI AN LEE D.O.
NPI 1205031804
Internal Medicine - Endocrinology, Diabetes & Metabolism in Los Angeles, CA
About Dr. Wei An Lee D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WEI AN LEE D.O. (NPI 1205031804) is an individual endocrinology, diabetes & metabolism provider in Los Angeles, California, licensed in California (20A8465) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Wei An Lee D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Wei An Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Wei An Lee's NPI number?
The NPI number for Wei An Lee is 1205031804. It was assigned to this individual provider in the NPPES registry on June 15, 2007. The provider is also known as Dr. Wei-An Andy Lee D.O..
Where is Wei An Lee located?
Wei An Lee practices at 1100 N State St, Los Angeles, CA 90033. The listed phone number is (323) 409-5181.
What is Wei An Lee's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Wei An Lee enrolled in Medicare?
Yes. Wei An Lee is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Wei An Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wei An Lee reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The 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 Wei An Lee'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 Wei An Lee was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Wei An Lee, D.O. · NPI 1205031804
Endocrinology, Diabetes & Metabolism physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 15, 2007.
## Identity
- **NPI:** 1205031804 (Entity type: Individual)
- **Enumerated:** June 15, 2007
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 20A8465 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1100 N STATE ST, Los Angeles, CA 90033-5000
- **Phone:** (323) 409-5181
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 22, 2026
- **Other identifiers:** Other 1902846306 (CA); Other GR0100430 (CA); Other W18762 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205031804) · Data from the CMS NPPES public registry.