LILLIAN YANG MD
NPI 1871855411
Ophthalmology in Santa Rosa, CA
About Lillian Yang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILLIAN YANG MD (NPI 1871855411) is an individual ophthalmology provider in Santa Rosa, California, licensed in California (A143875) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Lillian Yang 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 Lillian Yang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Rosa, CA 95403
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Vallejo, CA 94589
- 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.
Areas of Expertise CMS Part B claims 17
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ROSA, CA 95403
SANTA ROSA, CA 95403
SANTA ROSA, CA 95403
SANTA ROSA, CA 95403
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 Lillian Yang's NPI number?
The NPI number for Lillian Yang is 1871855411. It was assigned to this individual provider in the NPPES registry on June 11, 2012.
Where is Lillian Yang located?
Lillian Yang practices at 3035 Cleveland Ave Ste 100, Santa Rosa, CA 95403. The listed phone number is (707) 546-9800.
What is Lillian Yang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Lillian Yang enrolled in Medicare?
Yes. Lillian Yang 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 Lillian Yang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Yang reassigns Medicare benefits to 2 organizations: Eye Care Institute, A Medical Corporation (Santa Rosa, CA) and Permanente Medical Group Inc (Vallejo, 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 Lillian Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lillian Yang accept?
Health plans from Providence Health Plan list Lillian Yang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lillian Yang was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.