ERVIN WONG MD INCORPORATED
NPI 1487283776
Ophthalmology in San Francisco, CA
About Ervin Wong Md Incorporated NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERVIN WONG MD INCORPORATED (NPI 1487283776) is a healthcare organization registered as an ophthalmology in San Francisco, California and active in the NPI registry since April 2020. The organization lists Ervin Wong, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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)
Ervin Wong Md Incorporated 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 Ervin Wong MD Incorporated, 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 Ervin Wong MD Incorporated's NPI number?
The NPI number for Ervin Wong MD Incorporated is 1487283776. It was assigned to this organization in the NPPES registry on April 7, 2020.
Where is Ervin Wong MD Incorporated located?
Ervin Wong MD Incorporated is located at 728 Pacific Ave Ste 506, San Francisco, CA 94133. The listed phone number is (415) 837-0861.
What is Ervin Wong MD Incorporated's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Ervin Wong MD Incorporated enrolled in Medicare?
Yes. Ervin Wong MD Incorporated is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ervin Wong MD Incorporated?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Ervin Wong MD Incorporated. 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 Ervin Wong MD Incorporated was last updated on December 23, 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.
# Ervin Wong Md Incorporated · NPI 1487283776
Ophthalmology organization in San Francisco, California. Organization record, active in the CMS NPPES registry since April 7, 2020.
## Identity
- **NPI:** 1487283776 (Entity type: Organization)
- **Enumerated:** April 7, 2020
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Ervin Wong, CEO
## Practice location
- **Address:** 728 PACIFIC AVE STE 506, San Francisco, CA 94133-4449
- **Phone:** (415) 837-0861
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Ophthalmology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 23, 2020
- **Other identifiers:** Medicaid 00A811700 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1487283776) · Data from the CMS NPPES public registry.