YILIN FENG MD
NPI 1285227025
Ophthalmology in Palo Alto, CA
About Yilin Feng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YILIN FENG MD (NPI 1285227025) is an individual ophthalmology provider in Palo Alto, California, licensed in California (A202367) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of University Of Michigan Medical School (2021).
NPPES Registry Identity
Specialties & Licenses
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)
Yilin Feng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Yilin Feng reassigns Medicare billing to 3 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
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 10 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 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Yilin Feng's NPI number?
The NPI number for Yilin Feng is 1285227025. It was assigned to this individual provider in the NPPES registry on February 12, 2021.
Where is Yilin Feng located?
Yilin Feng practices at 300 Pasteur Dr, Palo Alto, CA 94305. The listed phone number is (650) 723-4000.
What is Yilin Feng's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Yilin Feng enrolled in Medicare?
Yes. Yilin Feng is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Yilin Feng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yilin Feng reassigns Medicare benefits to 3 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Northern California Cornea Associates Inc (Walnut Creek, 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 Yilin Feng'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 Yilin Feng was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Yilin Feng, MD · NPI 1285227025
Ophthalmology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since February 12, 2021.
## Identity
- **NPI:** 1285227025 (Entity type: Individual)
- **Enumerated:** February 12, 2021
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A202367 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Palo Alto, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Northern California Cornea Associates Inc (NPI 1992889240, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2021
## Record status
- **NPPES last updated:** July 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285227025) · Data from the CMS NPPES public registry.