CHARLES J OH RN
NPI 1932377348
Nurse Anesthetist, Certified Registered in Renton, WA
About Charles J Oh Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES J OH RN (NPI 1932377348) is an individual nurse anesthetist, certified registered in Renton, Washington, licensed in Washington (RN00142322) and active in the NPI registry since February 2008. He is affiliated with University Of Washington Medical Ctr and is a graduate of Other (2007).
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
Charles J Oh Rn 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
5Medicare enrollment records show Charles Oh reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 67 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 274 clinicians in this Medicare group
Puyallup, WA 98372
- Reassigned Medicare billing, Washington enrollment
- 119 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Providence Wa Anesthesia Services, PC
- 171 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 2
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.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98055 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.
RENTON, WA 98055
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 Charles Oh's NPI number?
The NPI number for Charles Oh is 1932377348. It was assigned to this individual provider in the NPPES registry on February 19, 2008.
Where is Charles Oh located?
Charles Oh practices at 400 S 43rd St, Renton, WA 98055. The listed phone number is (425) 353-3788.
What is Charles Oh's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Charles Oh enrolled in Medicare?
Yes. Charles 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 organizations bill Medicare for Charles Oh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Oh reassigns Medicare benefits to 5 organizations: Valley Anesthesia Associates, PLLC (Renton, WA), The Association Of University Physicians (Seattle, WA), University Of Washington (Bellevue, WA), Rainier Anesthesia Associates PC (Puyallup, WA) and Providence Wa Anesthesia Services, P.C. (Everett, WA). 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 Charles Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Oh accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Charles Oh 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 Charles Oh affiliated with any hospitals?
According to CMS data, Charles Oh is affiliated with University Of Washington Medical Ctr.
When was this NPI record last updated?
The NPPES record for Charles Oh was last updated on February 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Charles J Oh, RN · NPI 1932377348
Nurse Anesthetist, Certified Registered physician in Renton, Washington. Individual provider, active in the CMS NPPES registry since February 19, 2008.
## Identity
- **NPI:** 1932377348 (Entity type: Individual)
- **Enumerated:** February 19, 2008
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN00142322 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 S 43RD ST, Renton, WA 98055-5714
- **Phone:** (425) 353-3788 · **Fax:** (425) 353-8041
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Valley Anesthesia Associates, PLLC (NPI 1033165097, Renton, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA); University Of Washington (NPI 1922467539, Bellevue, WA); Rainier Anesthesia Associates PC (NPI 1487637013, Puyallup, WA); Providence Wa Anesthesia Services, P.C. (NPI 1669615894, Everett, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** February 19, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1932377348) · Data from the CMS NPPES public registry.