JESSICA TRANG PHAN MD
NPI 1902484280
Internal Medicine - Geriatric Medicine in Sunnyvale, CA
About Jessica Trang Phan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JESSICA TRANG PHAN MD (NPI 1902484280) is an individual geriatric medicine provider in Sunnyvale, California, licensed in California (A183183) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Jessica Trang Phan 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 Jessica Phan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 94086 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.
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 Jessica Phan's NPI number?
The NPI number for Jessica Phan is 1902484280. It was assigned to this individual provider in the NPPES registry on March 30, 2021.
Where is Jessica Phan located?
Jessica Phan practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-6250.
What is Jessica Phan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Jessica Phan enrolled in Medicare?
Yes. Jessica Phan 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 Jessica Phan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Phan reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Santa Clara, CA) and Sutter Bay Medical Foundation (Palo Alto, 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 Jessica Phan'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 Jessica Phan was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Jessica Trang Phan, MD · NPI 1902484280
Geriatric Medicine physician in Sunnyvale, California. Individual provider, active in the CMS NPPES registry since March 30, 2021.
## Identity
- **NPI:** 1902484280 (Entity type: Individual)
- **Enumerated:** March 30, 2021
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** A183183 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086-6386
- **Phone:** (408) 730-6250
## 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): Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Florida College Of Medicine, class of 2021
## Record status
- **NPPES last updated:** October 22, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1902484280) · Data from the CMS NPPES public registry.