DR. MELISSA PUN MD
NPI 1669814729
Student in an Organized Health Care Education/Training Program in San Francisco, CA

Active since July 17, 2013PECOS EnrolledAccepts Medicare Assignment
2351 CLAY ST # S-380S, SAN FRANCISCO, CA 94115(415) 600-3506 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Melissa Pun Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MELISSA PUN MD (NPI 1669814729) is an individual student in an organized health care education/training program in San Francisco, California and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of Irvine California College Of Medicine (2013).

NPPES Registry Identity

NPI1669814729
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameDR. MELISSA PUNCredential: MD
Location Address2351 CLAY ST # S-380SSan Francisco, CA 94115-1931
Mailing Address2351 Clay St # S-380sSan Francisco, CA 94115-1931
Sole ProprietorYes
Medical School CMSIrvine California College Of MedicineGraduated 2013
Enumeration DateJuly 17, 2013
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1669814729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
2351 CLAY ST # S-380S, San Francisco, CA 94115

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Melissa Pun Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103182720
PECOS Enrollment IDI20171114002014
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Melissa Pun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 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.

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 Pun's NPI number?

The NPI number for Melissa Pun is 1669814729. It was assigned to this individual provider in the NPPES registry on July 17, 2013.

Where is Melissa Pun located?

Melissa Pun practices at 2351 Clay St # S-380s, San Francisco, CA 94115. The listed phone number is (415) 600-3506.

What is Melissa Pun's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Melissa Pun enrolled in Medicare?

Yes. Melissa Pun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Melissa Pun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Pun reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, 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 Melissa Pun'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 Melissa Pun was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.