MELISSA C. WONG, MD, INC
NPI 1518358480
Clinic/Center - Primary Care in San Francisco, CA
About Melissa C. Wong, Md, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA C. WONG, MD, INC (NPI 1518358480) is a healthcare organization registered as a primary care in San Francisco, California and active in the NPI registry since February 2015. The organization lists Melissa Choryun Wong, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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)
Melissa C. Wong, Md, Inc 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 Melissa C. Wong, MD, Inc, 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 Melissa C. Wong, MD, Inc's NPI number?
The NPI number for Melissa C. Wong, MD, Inc is 1518358480. It was assigned to this organization in the NPPES registry on February 12, 2015.
Where is Melissa C. Wong, MD, Inc located?
Melissa C. Wong, MD, Inc is located at 1044 Taraval St, San Francisco, CA 94116. The listed phone number is (415) 566-8799.
What is Melissa C. Wong, MD, Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Melissa C. Wong, MD, Inc enrolled in Medicare?
Yes. Melissa C. Wong, MD, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Melissa C. Wong, MD, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Melissa C. Wong, MD, Inc. 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 Melissa C. Wong, MD, Inc was last updated on May 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Melissa C. Wong, Md, Inc · NPI 1518358480
Primary Care organization in San Francisco, California. Organization record, active in the CMS NPPES registry since February 12, 2015.
## Identity
- **NPI:** 1518358480 (Entity type: Organization)
- **Enumerated:** February 12, 2015
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Melissa Wong, PHYSICIAN
## Practice location
- **Address:** 1044 TARAVAL ST, San Francisco, CA 94116-2423
- **Phone:** (415) 566-8799 · **Fax:** (415) 566-8785
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2025
- **Other identifiers:** Other 1578727756
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Source: [NPI Profile](https://npiprofile.com/npi/1518358480) · Data from the CMS NPPES public registry.