NGA LAM WONG MD
NPI 1437073657
Orthopaedic Surgery in San Francisco, CA
About Nga Lam Wong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NGA LAM WONG MD (NPI 1437073657) is an individual orthopaedic surgery provider in San Francisco, California, licensed in California (A211154) and active in the NPI registry since August 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nga Lam Wong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Nga Lam Wong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Nga Lam Wong's NPI number?
The NPI number for Nga Lam Wong is 1437073657. It was assigned to this individual provider in the NPPES registry on August 10, 2026. The provider is also known as Erin Nga Lam Wong.
Where is Nga Lam Wong located?
Nga Lam Wong practices at 2540 23rd St Bldg 73, San Francisco, CA 94143. The listed phone number is (415) 476-2124.
What is Nga Lam Wong's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Nga Lam Wong enrolled in Medicare?
Yes. Nga Lam Wong is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nga Lam Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nga Lam Wong reassigns Medicare benefits to 3 organizations: Ucsf Dept Of Surgery (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Nga Lam Wong'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 Nga Lam Wong was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.
# Nga Lam Wong, MD · NPI 1437073657
Orthopaedic Surgery physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 10, 2026.
## Identity
- **NPI:** 1437073657 (Entity type: Individual)
- **Enumerated:** August 10, 2026
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** A211154 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2540 23RD ST BLDG 73, San Francisco, CA 94143-2500
- **Phone:** (415) 476-2124
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 9, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1437073657) · Data from the CMS NPPES public registry.