DR. OYEBIMPE OLUYEMISI ADESINA MD
NPI 1184934770
Internal Medicine - Hematology & Oncology in Seattle, WA
About Dr. Oyebimpe Oluyemisi Adesina Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OYEBIMPE OLUYEMISI ADESINA MD (NPI 1184934770) is an individual hematology & oncology provider in Seattle, Washington, licensed in Washington (MD60713258) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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. Oyebimpe Oluyemisi Adesina 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
2Medicare enrollment records show Oyebimpe Adesina reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marysville, CA 95901
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98109 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 98109
SEATTLE, WA 98109
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 Oyebimpe Adesina's NPI number?
The NPI number for Oyebimpe Adesina is 1184934770. It was assigned to this individual provider in the NPPES registry on October 15, 2010.
Where is Oyebimpe Adesina located?
Oyebimpe Adesina practices at 825 Eastlake Ave E G3200, Seattle, WA 98109. The listed phone number is (206) 606-1621.
What is Oyebimpe Adesina's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Oyebimpe Adesina enrolled in Medicare?
Yes. Oyebimpe Adesina 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 Oyebimpe Adesina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oyebimpe Adesina reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Marysville, CA) and Regents Of The Univ Of Ca (Sacramento, CA). 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 Oyebimpe Adesina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Oyebimpe Adesina was last updated on April 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Oyebimpe Oluyemisi Adesina, MD · NPI 1184934770
Hematology & Oncology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since October 15, 2010.
## Identity
- **NPI:** 1184934770 (Entity type: Individual)
- **Enumerated:** October 15, 2010
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** MD60713258 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 825 EASTLAKE AVE E, G3200, Seattle, WA 98109-4405
- **Phone:** (206) 606-1621 · **Fax:** (206) 288-1130
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1578162632, Marysville, CA); Regents Of The Univ Of Ca (NPI 1285068783, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** April 20, 2017
- **Other identifiers:** Medicaid 1184934770 (WA); Medicare PIN 8961759 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1184934770) · Data from the CMS NPPES public registry.