DR. TIMOTHY P. GLEASON MD
NPI 1376570432
Radiology - Diagnostic Radiology in Seattle, WA
About Dr. Timothy P. Gleason Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY P. GLEASON MD (NPI 1376570432) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (MD00032138) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (1989).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 6
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. Timothy P. Gleason 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
12Medicare enrollment records show Timothy Gleason reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 911 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 204 clinicians in this Medicare group
Seattle, WA 98144
- Reassigned Medicare billing, Montana and Washington enrollments
- 129 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 1,285 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 558 clinicians in this Medicare group
Quincy, WA 98848
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Grant County Hospital District No. 2
- 141 clinicians in this Medicare group
Brewster, WA 98812
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Okanogan Douglas County Hospital Dist 1
- 238 clinicians in this Medicare group
Ephrata, WA 98823
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Grant County Public Hospital District No. 3
- 144 clinicians in this Medicare group
College Place, WA 99324
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1134128911 (Washington)
- 160 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Montana and Washington enrollments
- 130 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 23
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St. Patrick Hospital
Acute Care Hospitals · Missoula, MTCommunity Medical Center
Acute Care Hospitals · Missoula, MTProvidence St Mary Medical Center
Acute Care Hospitals · Walla Walla, WAProv Sacred Hrt Med Ctr & Childs Hosp.
Acute Care Hospitals · Spokane, WAKadlec Regional Medical Center
Acute Care Hospitals · Richland, 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.
Reported Quality Measures
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 Timothy Gleason's NPI number?
The NPI number for Timothy Gleason is 1376570432. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Timothy Gleason located?
Timothy Gleason practices at 1145 Broadway, Seattle, WA 98122. The listed phone number is (206) 719-6069.
What is Timothy Gleason's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Timothy Gleason enrolled in Medicare?
Yes. Timothy Gleason 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 Timothy Gleason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Gleason reassigns Medicare benefits to 12 organizations: The Polyclinic PLLC (Seattle, WA), Radia Imaging Center Holdings LLC (Seattle, WA), Inland Imaging Associates Ps (Seattle, WA), Optum Care Washington PLLC (Everett, WA), Wenatchee Valley Hospital (Wenatchee, WA) and 7 more organizations, 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 Timothy Gleason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Gleason accept?
Health plans from Blue Cross and Blue Shield of Montana and Premera Blue Cross Blue Shield of Alaska list Timothy Gleason 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 Timothy Gleason affiliated with any hospitals?
According to CMS data, Timothy Gleason is affiliated with St. Patrick Hospital, Community Medical Center, Providence St Mary Medical Center, Prov Sacred Hrt Med Ctr & Childs Hosp. and Kadlec Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Timothy Gleason was last updated on January 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Timothy P. Gleason, MD · NPI 1376570432
Diagnostic Radiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since June 26, 2006.
## Identity
- **NPI:** 1376570432 (Entity type: Individual)
- **Enumerated:** June 26, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD00032138 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1145 BROADWAY, Seattle, WA 98122-4201
- **Phone:** (206) 719-6069
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): The Polyclinic PLLC (NPI 1174594634, Seattle, WA); Radia Imaging Center Holdings LLC (NPI 1639653017, Seattle, WA); Inland Imaging Associates Ps (NPI 1982236469, Seattle, WA); Optum Care Washington PLLC (NPI 1831186766, Everett, WA); Wenatchee Valley Hospital (NPI 1669719688, Wenatchee, WA); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 1989
## Record status
- **NPPES last updated:** January 17, 2024
- **Other identifiers:** Other 0368767 (WA); Other 0405705 (WA); Medicaid 1008913 (WA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1376570432) · Data from the CMS NPPES public registry.