DR. KEITH ALEXANDER LUTHER MD
NPI 1912001652
Internal Medicine in Mercer Island, WA
About Dr. Keith Alexander Luther Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEITH ALEXANDER LUTHER MD (NPI 1912001652) is an individual internal medicine provider in Mercer Island, Washington, licensed in Washington (MD00037360) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Keith Alexander Luther 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.
Areas of Expertise CMS Part B claims 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WASwedish Issaquah
Acute Care Hospitals · Issaquah, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MERCER ISLAND, WA 98040
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 Luther's NPI number?
The NPI number for Keith Luther is 1912001652. It was assigned to this individual provider in the NPPES registry on September 12, 2006.
Where is Keith Luther located?
Keith Luther practices at 3236 78th Ave SE Ste 200, Mercer Island, WA 98040. The listed phone number is (206) 275-5060.
What is Keith Luther's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Keith Luther enrolled in Medicare?
Yes. Keith Luther 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.
What insurance does Keith Luther accept?
Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Keith Luther 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 Keith Luther affiliated with any hospitals?
According to CMS data, Keith Luther is affiliated with Swedish Medical Center, Overlake Hospital Medical Center and Swedish Issaquah.
When was this NPI record last updated?
The NPPES record for Keith Luther was last updated on February 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
