MAY HNIN LWIN MD
NPI 1023417797
Internal Medicine - Nephrology in Los Angeles, CA
About May Hnin Lwin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAY HNIN LWIN MD (NPI 1023417797) is an individual nephrology provider in Los Angeles, California, licensed in California (A147865) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS.
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 (PECOS)
May Hnin Lwin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show May Lwin 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
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 24 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
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 May Lwin's NPI number?
The NPI number for May Lwin is 1023417797. It was assigned to this individual provider in the NPPES registry on August 19, 2014.
Where is May Lwin located?
May Lwin practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.
What is May Lwin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is May Lwin enrolled in Medicare?
Yes. May Lwin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for May Lwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), May Lwin reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and Usc Care Medical Non-Contracted LLC (Los Angeles, CA). 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 May Lwin'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 May Lwin was last updated on December 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# May Hnin Lwin, MD · NPI 1023417797
Nephrology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since August 19, 2014.
## Identity
- **NPI:** 1023417797 (Entity type: Individual)
- **Enumerated:** August 19, 2014
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A147865 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033-5312
- **Phone:** (323) 442-5100
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Usc Care Medical Non-Contracted LLC (NPI 1659509206, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1023417797) · Data from the CMS NPPES public registry.