GILBERT SUN MD
NPI 1366485955
Internal Medicine in Seattle, WA
About Gilbert Sun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GILBERT SUN MD (NPI 1366485955) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD00045628) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and is a graduate of Other (1999).
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
Gilbert Sun 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 Reassignment
Medicare enrollment records show Gilbert Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WASwedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 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.
SEATTLE, WA 98122
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 Gilbert Sun's NPI number?
The NPI number for Gilbert Sun is 1366485955. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Gilbert Sun located?
Gilbert Sun practices at 747 Broadway, Seattle, WA 98122. The listed phone number is (206) 215-2520.
What is Gilbert Sun's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gilbert Sun enrolled in Medicare?
Yes. Gilbert 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 Gilbert Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gilbert Sun reassigns Medicare benefits to Swedish Health Services (Seattle, 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 Gilbert Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gilbert Sun accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Gilbert 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 Gilbert Sun affiliated with any hospitals?
According to CMS data, Gilbert Sun is affiliated with Swedish Medical Center / Cherry Hill and Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Gilbert Sun was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Gilbert Sun, MD · NPI 1366485955
Internal Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1366485955 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD00045628 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 747 BROADWAY, Seattle, WA 98122-4379
- **Phone:** (206) 215-2520 · **Fax:** (206) 386-3180
## 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:** Swedish Health Services (NPI 1689612954, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366485955) · Data from the CMS NPPES public registry.