DR. LYNN WANSHU SUN M.D., PH.D.
NPI 1922460195
Ophthalmology - Glaucoma Specialist in Portland, OR
About Dr. Lynn Wanshu Sun M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LYNN WANSHU SUN M.D., PH.D. (NPI 1922460195) is an individual glaucoma specialist in Portland, Oregon, licensed in Oregon (MD203339) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Lynn Wanshu Sun M.d., Ph.d. 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 Reassignment
Medicare enrollment records show Lynn Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vancouver, WA 98663
- Reassigned Medicare billing, Washington enrollment
- 16 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 15
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 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.
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.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Lynn Sun's NPI number?
The NPI number for Lynn Sun is 1922460195. It was assigned to this individual provider in the NPPES registry on March 25, 2016.
Where is Lynn Sun located?
Lynn Sun practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-3000.
What is Lynn Sun's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Glaucoma Specialist, with taxonomy code 207WX0009X.
Is Lynn Sun enrolled in Medicare?
Yes. Lynn Sun 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 organization bills Medicare for Lynn Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Sun reassigns Medicare benefits to Vancouver Eye Care Ps (Vancouver, WA). The 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 Lynn Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lynn Sun accept?
Health plans from Anthem Blue Cross and Blue Shield, BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Lynn Sun 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.
Is Lynn Sun affiliated with any hospitals?
According to CMS data, Lynn Sun is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Lynn Sun was last updated on August 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Lynn Wanshu Sun, M.D., PH.D. · NPI 1922460195
Glaucoma Specialist physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since March 25, 2016.
## Identity
- **NPI:** 1922460195 (Entity type: Individual)
- **Enumerated:** March 25, 2016
- **Primary specialty:** Ophthalmology - Glaucoma Specialist · taxonomy 207WX0009X
- **State license:** MD203339 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-3000 · **Fax:** (503) 494-4286
## 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:** Vancouver Eye Care Ps (NPI 1356375042, Vancouver, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** August 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1922460195) · Data from the CMS NPPES public registry.