MARILYNN CHAN M.D.
NPI 1710273701
Pediatrics - Pediatric Pulmonology in San Diego, CA
About Marilynn Chan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARILYNN CHAN M.D. (NPI 1710273701) is an individual pediatric pulmonology provider in San Diego, California, licensed in California (A123085) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Francisco.
NPPES Registry Identity
Specialties & Licenses 2
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)
Marilynn Chan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Marilynn Chan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 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.
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.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Marilynn Chan's NPI number?
The NPI number for Marilynn Chan is 1710273701. It was assigned to this individual provider in the NPPES registry on June 28, 2011.
Where is Marilynn Chan located?
Marilynn Chan practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-5841.
What is Marilynn Chan's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.
Is Marilynn Chan enrolled in Medicare?
Yes. Marilynn Chan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marilynn Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilynn Chan reassigns Medicare benefits to 4 organizations: Southern California Permanente Medical Group (San Diego, CA), Ucsf Pediatrics Associates (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 Marilynn Chan'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 Marilynn Chan was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Marilynn Chan, M.D. · NPI 1710273701
Pediatric Pulmonology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since June 28, 2011.
## Identity
- **NPI:** 1710273701 (Entity type: Individual)
- **Enumerated:** June 28, 2011
- **Primary specialty:** Pediatrics - Pediatric Pulmonology · taxonomy 2080P0214X
- **State license:** A123085 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3020 CHILDRENS WAY, San Diego, CA 92123-4223
- **Phone:** (858) 966-5841
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA); Ucsf Pediatrics Associates (NPI 1376614016, 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
## Record status
- **NPPES last updated:** October 15, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1710273701) · Data from the CMS NPPES public registry.