KEITH A MAYO MD
NPI 1972510014
Orthopaedic Surgery in Seattle, WA
About Keith A Mayo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH A MAYO MD (NPI 1972510014) is an individual orthopaedic surgery provider in Seattle, Washington, licensed in Washington (MD00017589) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keith A Mayo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Keith Mayo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kent, WA 98030
- Reassigned Medicare billing, Washington enrollment
- 4,383 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 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.
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 Keith Mayo's NPI number?
The NPI number for Keith Mayo is 1972510014. It was assigned to this individual provider in the NPPES registry on August 2, 2006.
Where is Keith Mayo located?
Keith Mayo practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-3462.
What is Keith Mayo's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Keith Mayo enrolled in Medicare?
Yes. Keith Mayo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Keith Mayo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Mayo reassigns Medicare benefits to Multicare Health System (Kent, 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 Keith Mayo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Mayo accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Keith Mayo 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.
When was this NPI record last updated?
The NPPES record for Keith Mayo was last updated on June 17, 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.
# Keith A Mayo, MD · NPI 1972510014
Orthopaedic Surgery physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since August 2, 2006.
## Identity
- **NPI:** 1972510014 (Entity type: Individual)
- **Enumerated:** August 2, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** MD00017589 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 9TH AVE, Seattle, WA 98104-2420
- **Phone:** (206) 744-3462
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Multicare Health System (NPI 1811949928, Kent, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 17, 2021
- **Other identifiers:** Other 317076 (WA); Medicaid 1972510014 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1972510014) · Data from the CMS NPPES public registry.