Michael Walker, MD
NPI 1942640776 · Emergency Medicine Physician · Klamath Falls, OR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Walker, MD is a Emergency Medicine Physician provider in Klamath Falls, OR (NPI 1942640776).
Provider details
- NPI number
- 1942640776
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD195265 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
471 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 247 | $116 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 137 | $168 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 71 | $68 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 16 | $40 |
Typical Medicare-allowed amounts for these services range $40–$168 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 37 | 36 |
| Cephalexin | 25 | 24 |
| Prednisone | 21 | 18 |
| Doxycycline Hyclate | 18 | 16 |
| Pantoprazole Sodium | 13 | 13 |
| Methylprednisolone | 13 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 11 |
Practice location
Mailing address
Additional practice locations (2)
- 3043 Ne 28th StLincoln City, OR 97367-4518Phone: (541) 994-3661
- 3181 Sw Sam Jackson Park RdOhsuPortland, OR 97239-3011Phone: (503) 494-8220
Registry dates
- Enumerated
- 2013-06-25
- Last updated
- 2022-05-17
- Certified
- 2022-05-17
Frequently asked questions
- What is Michael Walker's NPI number?
- Michael Walker's National Provider Identifier (NPI) is 1942640776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Walker's specialty?
- Michael Walker is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Walker located?
- Michael Walker's practice location on file with NPPES is 2865 Daggett Ave, Klamath Falls, OR 97601-1106.
- What is Michael Walker's phone number?
- The practice phone number listed in the NPPES registry for Michael Walker is (541) 274-6175.
- Does Michael Walker accept Medicare?
- Michael Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Walker's NPI active?
- Yes — Michael Walker's NPI (1942640776) is active in the NPPES registry as of the last update on 2022-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.