Harrison Walker
NPI 1619905643 · Neurology Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harrison Walker is a Neurology Physician provider in Birmingham, AL (NPI 1619905643).
Provider details
- NPI number
- 1619905643
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 25893 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
499 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 158 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $89 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 54 | $132 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator With Brain Stimulator Programming, Each Additional 15 Minutes With Qualified Health Professional95984 | 51 | $39 |
| Electronic Analysis of Implanted Brain, Spinal Cord, Or Peripheral Neurostimulator Generator With Brain Stimulator Programming, First 15 Minutes With Qualified Health Professional95983 | 50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 479 | 179 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 250 | 96 |
| Clonazepam | 248 | 44 |
| Amantadine Hclbrand: Amantadine | 132 | 43 |
| Donepezil Hcl | 102 | 33 |
| Pimavanserin Tartratebrand: Nuplazid | 99 | 18 |
| Gabapentin | 91 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$347 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2000 6th Ave SBirmingham, AL 35233-2110Phone: (205) 934-0683
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2023-06-29
Frequently asked questions
- What is Harrison Walker's NPI number?
- Harrison Walker's National Provider Identifier (NPI) is 1619905643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Walker's specialty?
- Harrison Walker is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Harrison Walker located?
- Harrison Walker's practice location on file with NPPES is 1717 6th Ave S, Birmingham, AL 35233-1801.
- What is Harrison Walker's phone number?
- The practice phone number listed in the NPPES registry for Harrison Walker is (800) 822-8816.
- Does Harrison Walker accept Medicare?
- Harrison Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harrison Walker's NPI active?
- Yes — Harrison Walker's NPI (1619905643) is active in the NPPES registry as of the last update on 2023-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.