STEVEN Y SOHN MD
NPI 1871542928
Radiology - Diagnostic Radiology in Seattle, WA
About Steven Y Sohn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN Y SOHN MD (NPI 1871542928) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (MD00044273) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and is a graduate of University Of Washington School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Steven Y Sohn 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
8Medicare enrollment records show Steven Sohn reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98144
- Reassigned Medicare billing, Montana and Washington enrollments
- 129 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 911 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
- Also billed through NPI 1043363591 (Washington)
- 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
Spokane, WA 99202
- Reassigned Medicare billing, Montana and Washington enrollments
- 120 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 27
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, MTProvidence St Mary Medical Center
Acute Care Hospitals · Walla Walla, WAKadlec Regional Medical Center
Acute Care Hospitals · Richland, WASummit Pacific Medical Center
Critical Access Hospitals · Elma, WANewport Community Hospital
Critical Access Hospitals · Newport, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98144 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.
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 Steven Sohn's NPI number?
The NPI number for Steven Sohn is 1871542928. It was assigned to this individual provider in the NPPES registry on May 8, 2006.
Where is Steven Sohn located?
Steven Sohn practices at 1200 12th Ave S, Seattle, WA 98144. The listed phone number is (509) 747-4455.
What is Steven Sohn's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Steven Sohn enrolled in Medicare?
Yes. Steven Sohn 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 Steven Sohn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Sohn reassigns Medicare benefits to 8 organizations: Inland Imaging Associates Ps (Seattle, WA), The Polyclinic (Seattle, WA), Grant County Public Hospital District 2 (Quincy, WA), Okanogan Douglas County Hospital Dist1 (Brewster, WA), Grant County Public Hospital District 3 (Ephrata, WA) and 3 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 Steven Sohn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Sohn accept?
Health plans from Blue Cross and Blue Shield of Montana and Premera Blue Cross Blue Shield of Alaska list Steven Sohn 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 Steven Sohn affiliated with any hospitals?
According to CMS data, Steven Sohn is affiliated with St. Patrick Hospital, Providence St Mary Medical Center, Kadlec Regional Medical Center, Summit Pacific Medical Center and Newport Community Hospital.
When was this NPI record last updated?
The NPPES record for Steven Sohn was last updated on July 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Steven Y Sohn, MD · NPI 1871542928
Diagnostic Radiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 8, 2006.
## Identity
- **NPI:** 1871542928 (Entity type: Individual)
- **Enumerated:** May 8, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD00044273 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 12TH AVE S, Seattle, WA 98144-2712
- **Phone:** (509) 747-4455 · **Fax:** (509) 363-7064
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Inland Imaging Associates Ps (NPI 1982236469, Seattle, WA); The Polyclinic (NPI 1073944039, Seattle, WA); Grant County Public Hospital District 2 (NPI 1659445468, Quincy, WA); Okanogan Douglas County Hospital Dist1 (NPI 1578649794, Brewster, WA); Grant County Public Hospital District 3 (NPI 1134283930, Ephrata, WA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 17, 2009
- **Other identifiers:** Medicare UPIN H82701 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1871542928) · Data from the CMS NPPES public registry.