DR. MITCHELL PATRICK KOK MD
NPI 1831175421
Radiology - Neuroradiology in Olympia, WA
About Dr. Mitchell Patrick Kok Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MITCHELL PATRICK KOK MD (NPI 1831175421) is an individual neuroradiology provider in Olympia, Washington, licensed in Washington (MD60542557) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Erlanger Murphy Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Other Identifiers 3
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. Mitchell Patrick Kok 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
15Medicare enrollment records show Mitchell Kok reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia, WA 98506
- Reassigned Medicare billing, Georgia and Washington enrollments
Seattle, WA 98104
- Reassigned Medicare billing, Georgia and Washington enrollments
Kirkland, WA 98034
- Reassigned Medicare billing, Georgia enrollment
Edmonds, WA 98026
- Reassigned Medicare billing, Georgia enrollment
Lynnwood, WA 98036
- Reassigned Medicare billing, Georgia enrollment
- 4 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 558 clinicians in this Medicare group
Omak, WA 98841
- Reassigned Medicare billing, Washington enrollment
- 179 clinicians in this Medicare group
Tonasket, WA 98855
- Reassigned Medicare billing, Washington enrollment
- 197 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, Georgia and Washington enrollments
- 3 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 48
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.
Erlanger Murphy Medical Center
Critical Access Hospitals · Murphy, NCAsante Rogue Regional Medical Center
Acute Care Hospitals · Medford, ORErlanger Medical Center
Acute Care Hospitals · Chattanooga, TNYakima Valley Memorial
Acute Care Hospitals · Yakima, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAMedicare 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.
OLYMPIA, WA 98506
OLYMPIA, WA 98506
OLYMPIA, WA 98506
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 Mitchell Kok's NPI number?
The NPI number for Mitchell Kok is 1831175421. It was assigned to this individual provider in the NPPES registry on December 16, 2005.
Where is Mitchell Kok located?
Mitchell Kok practices at 3417 Ensign Rd NE, Olympia, WA 98506. The listed phone number is (360) 493-4600.
What is Mitchell Kok's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.
Is Mitchell Kok enrolled in Medicare?
Yes. Mitchell Kok 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 Mitchell Kok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Kok reassigns Medicare benefits to 15 organizations: South Sound Radiologists Inc P S (Olympia, WA), Radia Imaging Center Holdings LLC (Seattle, WA), Evergreen Radia LLC (Kirkland, WA), Swedish Radia Imaging Center At Edmonds LLC (Edmonds, WA), Radia Inc P S (Lynnwood, WA) and 10 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 Mitchell Kok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mitchell Kok accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Mitchell Kok 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 Mitchell Kok affiliated with any hospitals?
According to CMS data, Mitchell Kok is affiliated with Erlanger Murphy Medical Center, Asante Rogue Regional Medical Center, Erlanger Medical Center, Yakima Valley Memorial and Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Mitchell Kok was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.