Michael James Walker, MD
Emergency Medicine Physician · Klamath Falls, OR
Michael James Walker, MD is an emergency medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1942640776, issued on Jun 25, 2013. Check the license (Oregon MD195265, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael James Walker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD195265 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2865 Daggett Ave, Klamath Falls, OR 97601
- Phone
- (541) 274-6175
- Enumerated
- Jun 25, 2013
- Record last updated
- May 17, 2022
- Medicaid ID
- 500774819 OR
- Medicare enrollment
- Enrolled (PECOS I20200130002564); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 2865 Daggett Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tahlia Aarstad, PHARMDPharmacist1972928117
- Monna Alwine, NURSE PRACTITICIONERAdult Health Nurse Practitioner1215415708
- Mychal Amos, PHARMDPharmacist1992878318
- Jessica Atchley, BSN, RNStudent in an Organized Health Care Education/Training Program1649127937
- Merri Barber, BSN, RN, IBCLCLactation Consultant (Registered Nurse)1073138814
- Susan Barnes, MDAnesthesiology Physician1235210881
Verify Michael James Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD195265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average emergency medicine physician in 2024
254 Medicare Part D claims for 152 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Ondansetron Odt37 claims
- Cephalexin25 claims
- Prednisone21 claims
- Doxycycline Hyclate18 claims
- Methylprednisolone13 claims
- Pantoprazole Sodium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sky Lakes Medical Center IncKlamath Falls, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael James Walker among 1,079 emergency medicine physician records in Oregon
Michael James Walker, MD is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 2013 among the 557 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Klamath Falls
They are 19 of the 1,946 NPPES records with a practice address in Klamath Falls, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Klamath Falls → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- J Brunswick, M.D.Klamath Falls, OR 976011902864275
- Konrad Eppel, MDKlamath Falls, OR 976011669449120
- Brendan Fowler, DOKlamath Falls, OR 976011609225283
- Wade Fox, DOKlamath Falls, OR 976011881700300
- Jakob Freid, M.D.Klamath Falls, OR 976011477750347
- William Fridinger, M.D.Klamath Falls, OR 976011962667634
- Kevin Lepard, MDKlamath Falls, OR 976011760403026
- Robert Melton, MDKlamath Falls, OR 976011770741027
Common questions
What is Michael James Walker, MD's NPI number?
Michael James Walker, MD's National Provider Identifier (NPI) is 1942640776, issued on Jun 25, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael James Walker, MD located?
The NPPES record lists a practice address at 2865 Daggett Ave, Klamath Falls, OR, 97601. Phone: (541) 274-6175. Providers update this record themselves, so call before visiting.
How can I verify Michael James Walker, MD's license?
NPPES lists Oregon license number MD195265, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael James Walker, MD prescribe under Medicare Part D?
In 2024, Michael James Walker, MD had 254 Medicare Part D claims for 152 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.