ALAN C. SUN M.D.
NPI 1104076843
Hospitalist in Longview, WA
About Alan C. Sun M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAN C. SUN M.D. (NPI 1104076843) is an individual hospitalist provider in Longview, Washington, licensed in Washington (MD60138073) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 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
Alan C. Sun M.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 Reassignments
6Medicare enrollment records show Alan Sun reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vancouver, WA 98664
- Reassigned Medicare billing, Washington enrollment
- 915 clinicians in this Medicare group
Olympia, WA 98512
- Reassigned Medicare billing, Washington enrollment
- 4,383 clinicians in this Medicare group
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 689 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, Washington enrollment
- 116 clinicians in this Medicare group
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 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 5
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.
Valley Medical Center
Acute Care Hospitals · Renton, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98632 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONGVIEW, WA 98632
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 Alan Sun's NPI number?
The NPI number for Alan Sun is 1104076843. It was assigned to this individual provider in the NPPES registry on September 30, 2008.
Where is Alan Sun located?
Alan Sun practices at 1615 Delaware St, Longview, WA 98632. The listed phone number is (360) 501-3601.
What is Alan Sun's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Alan Sun enrolled in Medicare?
Yes. Alan 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 organizations bill Medicare for Alan Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Sun reassigns Medicare benefits to 6 organizations: South Sound Inpatient Physicians PLLC (Vancouver, WA), Multicare Health System (Olympia, WA), Valley Medical Group-Renton (Renton, WA), Northwest Hospital Medicine Physicians LLC (Las Cruces, NM), Coastal Medical Associates (Weymouth, MA) and 1 more organization, listed in the Medicare section above. 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 Alan Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alan Sun accept?
Health plans from Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and Taro Health list Alan 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 Alan Sun affiliated with any hospitals?
According to CMS data, Alan Sun is affiliated with Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Alan Sun was last updated on April 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alan C. Sun, M.D. · NPI 1104076843
Hospitalist physician in Longview, Washington. Individual provider, active in the CMS NPPES registry since September 30, 2008.
## Identity
- **NPI:** 1104076843 (Entity type: Individual)
- **Enumerated:** September 30, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD60138073 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1615 DELAWARE ST, Longview, WA 98632-2367
- **Phone:** (360) 501-3601
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): South Sound Inpatient Physicians PLLC (NPI 1023285756, Vancouver, WA); Multicare Health System (NPI 1831609775, Olympia, WA); Valley Medical Group-Renton (NPI 1619209574, Renton, WA); Northwest Hospital Medicine Physicians LLC (NPI 1972056752, Las Cruces, NM); Coastal Medical Associates (NPI 1932175684, Weymouth, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** April 6, 2021
- **Other identifiers:** Medicaid 2007196 (WA); Other G8967051 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1104076843) · Data from the CMS NPPES public registry.