MICHELLE Y OH M.D.
NPI 1427192012
Radiology - Diagnostic Radiology in Seattle, WA
About Michelle Y Oh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE Y OH M.D. (NPI 1427192012) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (MD00036891) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Kaiser Permanente Central Hospital, and is a graduate of University Of Washington School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Michelle Y Oh 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 Reassignment
Medicare enrollment records show Michelle Oh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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 6
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.
Kaiser Permanente Central Hospital
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 98112
SEATTLE, WA 98112
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 Michelle Oh's NPI number?
The NPI number for Michelle Oh is 1427192012. It was assigned to this individual provider in the NPPES registry on February 16, 2007.
Where is Michelle Oh located?
Michelle Oh practices at 201 16th Ave E, Seattle, WA 98112. The listed phone number is (206) 326-3000.
What is Michelle Oh's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michelle Oh enrolled in Medicare?
Yes. Michelle Oh 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 Michelle Oh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Oh reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (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 Michelle Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michelle Oh affiliated with any hospitals?
According to CMS data, Michelle Oh is affiliated with Kaiser Permanente Central Hospital.
When was this NPI record last updated?
The NPPES record for Michelle Oh was last updated on May 26, 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.
# Michelle Y Oh, M.D. · NPI 1427192012
Diagnostic Radiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since February 16, 2007.
## Identity
- **NPI:** 1427192012 (Entity type: Individual)
- **Enumerated:** February 16, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD00036891 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 16TH AVE E, Seattle, WA 98112-5226
- **Phone:** (206) 326-3000
## 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:** Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** May 26, 2021
- **Other identifiers:** Medicaid 8257164 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1427192012) · Data from the CMS NPPES public registry.