DR. MICHAEL MAONAN PAN MD
NPI 1144694837
Radiology - Vascular & Interventional Radiology in Palo Alto, CA
About Dr. Michael Maonan Pan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL MAONAN PAN MD (NPI 1144694837) is an individual vascular & interventional radiology provider in Palo Alto, California, licensed in California (A188081) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of Northwestern University Feinberg Medical School (2020).
NPPES Registry Identity
Specialties & Licenses 4
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 and accepts Medicare assignment
Dr. Michael Maonan Pan 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.
Medicare Billing Reassignments
2Medicare enrollment records show Michael Pan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Stockton, CA 95204
- Reassigned Medicare billing, California enrollment
- 110 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 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PALO ALTO, CA 94304
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 Michael Pan's NPI number?
The NPI number for Michael Pan is 1144694837. It was assigned to this individual provider in the NPPES registry on November 18, 2015.
Where is Michael Pan located?
Michael Pan practices at 300 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.
What is Michael Pan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Michael Pan enrolled in Medicare?
Yes. Michael Pan 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 organizations bill Medicare for Michael Pan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Pan reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Advanced Radiology And Interventional Associates Inc (Stockton, 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 Michael Pan'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 Michael Pan was last updated on September 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Michael Maonan Pan, MD · NPI 1144694837
Vascular & Interventional Radiology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since November 18, 2015.
## Identity
- **NPI:** 1144694837 (Entity type: Individual)
- **Enumerated:** November 18, 2015
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** A188081 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Palo Alto, CA 94304-2203
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Advanced Radiology And Interventional Associates Inc (NPI 1669123626, Stockton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2020
## Record status
- **NPPES last updated:** September 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1144694837) · Data from the CMS NPPES public registry.