David Walker, MD
NPI 1285155424 · Neurology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Walker, MD is a Neurology Physician provider in Sacramento, CA (NPI 1285155424).
Provider details
- NPI number
- 1285155424
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A173054 (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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
75 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 41 | $18 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 19 | $199 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 15 | $18 |
Typical Medicare-allowed amounts for these services range $18–$199 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Galcanezumab-Gnlmbrand: Emgality Pen | 142 | 39 |
| Ubrogepantbrand: Ubrelvy | 55 | 23 |
| Rimegepant Sulfatebrand: Nurtec Odt | 45 | 25 |
| Atogepantbrand: Qulipta | 27 | 12 |
| Sumatriptan Succinate | 27 | — |
| Rizatriptan Benzoatebrand: Rizatriptan | 24 | 12 |
| Topiramate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-28
- Last updated
- 2022-11-01
- Certified
- 2022-11-01
Frequently asked questions
- What is David Walker's NPI number?
- David Walker's National Provider Identifier (NPI) is 1285155424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Walker's specialty?
- David Walker is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is David Walker located?
- David Walker's practice location on file with NPPES is 3000 Q St Fl 4, Sacramento, CA 95816-7058.
- What is David Walker's phone number?
- The practice phone number listed in the NPPES registry for David Walker is (916) 733-3372.
- Does David Walker accept Medicare?
- David Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Walker's NPI active?
- Yes — David Walker's NPI (1285155424) is active in the NPPES registry as of the last update on 2022-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.