DR. AARON MATTHEW KING M.D.
NPI 1538454426
Physical Medicine & Rehabilitation in Spokane, WA
About Dr. Aaron Matthew King M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON MATTHEW KING M.D. (NPI 1538454426) is an individual physical medicine & rehabilitation provider in Spokane, Washington, licensed in Washington (MD60707454) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with St Charles Medical Center - Bend, and maintains 6 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 6
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. Aaron Matthew King 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 Reassignments
7Medicare enrollment records show Aaron King reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 862 clinicians in this Medicare group
Richland, WA 99352
- Reassigned Medicare billing, Washington enrollment
- 454 clinicians in this Medicare group
Bend, OR 97701
- Reassigned Medicare billing, Oregon enrollment
- 348 clinicians in this Medicare group
Carbondale, IL 62901
- Reassigned Medicare billing, Illinois enrollment
- 702 clinicians in this Medicare group
Oxford, MS 38655
- Reassigned Medicare billing, Mississippi enrollment
- 581 clinicians in this Medicare group
Greenville, SC 29601
- Reassigned Medicare billing, South Carolina enrollment
- 389 clinicians in this Medicare group
Sumter, SC 29150
- Reassigned Medicare billing, South Carolina enrollment
- 7 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Charles Medical Center - Bend
Acute Care Hospitals · Bend, ORSt Francis-Downtown
Acute Care Hospitals · Greenville, SCMedicare 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
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SPOKANE, WA 99202
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 Aaron King's NPI number?
The NPI number for Aaron King is 1538454426. It was assigned to this individual provider in the NPPES registry on June 20, 2011. The provider is also known as Dr. Aaron Matthew King M.D..
Where is Aaron King located?
Aaron King practices at 711 S Cowley St, Spokane, WA 99202. The listed phone number is (509) 473-6869.
What is Aaron King's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Aaron King enrolled in Medicare?
Yes. Aaron King 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 Aaron King's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron King reassigns Medicare benefits to 7 organizations: Providence Health & Services Washington (Spokane, WA), Kadlec Regional Medical Center (Richland, WA), St. Charles Health System, Inc. (Bend, OR), Southern Illinois Medical Services, Nfp (Carbondale, IL), North Mississippi Medical Center, Inc. (Oxford, MS) and 2 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 Aaron King's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron King accept?
Health plans from First Choice Next, Oscar Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and UnitedHealthcare list Aaron King 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 Aaron King affiliated with any hospitals?
According to CMS data, Aaron King is affiliated with St Charles Medical Center - Bend and St Francis-Downtown.
When was this NPI record last updated?
The NPPES record for Aaron King was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.