Samuel Walker, M.D.
NPI 1639258254 · Internal Medicine Physician · Luverne, AL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Walker, M.D. is a Internal Medicine Physician provider in Luverne, AL (NPI 1639258254).
Provider details
- NPI number
- 1639258254
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6744 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
461 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 62 | $72 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 62 | $37 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 58 | $5 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 39 | $7 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 252 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 988 | 132 |
| Gabapentin | 938 | 146 |
| Pantoprazole Sodium | 867 | 139 |
| Atorvastatin Calcium | 727 | 121 |
| Levothyroxine Sodium | 625 | 91 |
| Amlodipine Besylate | 597 | 99 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83 across 3 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
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2011-09-20
Frequently asked questions
- What is Samuel Walker's NPI number?
- Samuel Walker's National Provider Identifier (NPI) is 1639258254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Walker's specialty?
- Samuel Walker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Walker located?
- Samuel Walker's practice location on file with NPPES is 39 Roy Beall Dr, Luverne, AL 36049-6805.
- What is Samuel Walker's phone number?
- The practice phone number listed in the NPPES registry for Samuel Walker is (334) 335-6515.
- Does Samuel Walker accept Medicare?
- Samuel Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Walker's NPI active?
- Yes — Samuel Walker's NPI (1639258254) is active in the NPPES registry as of the last update on 2011-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.