DR. MICHAEL JAMES WALKER MD
NPI 1942640776
Emergency Medicine in Klamath Falls, OR
About Dr. Michael James Walker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JAMES WALKER MD (NPI 1942640776) is an individual emergency medicine provider in Klamath Falls, Oregon, licensed in Oregon (MD195265) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Sky Lakes Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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. Michael James Walker 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 Reassignment
Medicare enrollment records show Michael Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Klamath Falls, OR 97601
- Reassigned Medicare billing, Oregon enrollment
- 355 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sky Lakes Medical Center
Acute Care Hospitals · Klamath Falls, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97601 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.
KLAMATH FALLS, OR 97601
KLAMATH FALLS, OR 97601
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 Michael Walker's NPI number?
The NPI number for Michael Walker is 1942640776. It was assigned to this individual provider in the NPPES registry on June 25, 2013.
Where is Michael Walker located?
Michael Walker practices at 2865 Daggett Ave, Klamath Falls, OR 97601. The listed phone number is (541) 274-6175.
What is Michael Walker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Walker enrolled in Medicare?
Yes. Michael Walker 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 organization bills Medicare for Michael Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Walker reassigns Medicare benefits to Sky Lakes Medical Center Inc (Klamath Falls, OR). 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 Michael Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Walker affiliated with any hospitals?
According to CMS data, Michael Walker is affiliated with Sky Lakes Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Walker was last updated on May 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Michael James Walker, MD · NPI 1942640776
Emergency Medicine physician in Klamath Falls, Oregon. Individual provider, active in the CMS NPPES registry since June 25, 2013.
## Identity
- **NPI:** 1942640776 (Entity type: Individual)
- **Enumerated:** June 25, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD195265 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 2865 DAGGETT AVE, Klamath Falls, OR 97601-1106
- **Phone:** (541) 274-6175
## 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:** Sky Lakes Medical Center Inc (NPI 1659340370, Klamath Falls, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** May 17, 2022
- **Other identifiers:** Medicaid 500774819 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1942640776) · Data from the CMS NPPES public registry.