David Maxwell, MD
NPI 1427261882 · Emergency Medicine Physician · Walla Walla, WA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Maxwell, MD is a Emergency Medicine Physician provider in Walla Walla, WA (NPI 1427261882).
Provider details
- NPI number
- 1427261882
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A97575 (CA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
746 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 High Level of Medical Decision Making99285 | 398 | $169 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 258 | $116 |
| Critical Care, First 30-74 Minutes99291 | 55 | $206 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 35 | $69 |
Typical Medicare-allowed amounts for these services range $69–$206 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 56 | 55 |
| Cephalexin | 50 | 50 |
| Oxycodone Hcl | 41 | 39 |
| Ondansetronbrand: Ondansetron Odt | 41 | 41 |
| Prednisone | 38 | 37 |
| Cefdinir | 27 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Additional practice locations (1)
- 11234 Anderson StLlumc, House Staff Office Cp 21005Loma Linda, CA 92354-2804Phone: (909) 558-4000
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2023-10-25
- Certified
- 2023-10-25
Frequently asked questions
- What is David Maxwell's NPI number?
- David Maxwell's National Provider Identifier (NPI) is 1427261882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Maxwell's specialty?
- David Maxwell is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Maxwell located?
- David Maxwell's practice location on file with NPPES is 401 W Poplar St, Walla Walla, WA 99362-2846.
- What is David Maxwell's phone number?
- The practice phone number listed in the NPPES registry for David Maxwell is (509) 522-5802.
- Does David Maxwell accept Medicare?
- David Maxwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Maxwell's NPI active?
- Yes — David Maxwell's NPI (1427261882) is active in the NPPES registry as of the last update on 2023-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.