John Walker, M.D.
NPI 1588982573 · Anesthesiology Physician · Gadsden, AL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Walker, M.D. is a Anesthesiology Physician provider in Gadsden, AL (NPI 1588982573).
Provider details
- NPI number
- 1588982573
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 31630 (AL)
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
16 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
212 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 52 | $57 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 34 | $55 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 24 | $69 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 15 | $137 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 15 | $160 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 15 | $58 |
Practice location
Mailing address
Additional practice locations (1)
- 619 19th St SBirmingham, AL 35249-1900Phone: (205) 934-6525
Registry dates
- Enumerated
- 2010-05-14
- Last updated
- 2019-07-09
Frequently asked questions
- What is John Walker's NPI number?
- John Walker's National Provider Identifier (NPI) is 1588982573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walker's specialty?
- John Walker is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Walker located?
- John Walker's practice location on file with NPPES is 200 Broad St Ste 300, Gadsden, AL 35901.
- What is John Walker's phone number?
- The practice phone number listed in the NPPES registry for John Walker is (256) 546-5281.
- Does John Walker accept Medicare?
- John Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Walker's NPI active?
- Yes — John Walker's NPI (1588982573) is active in the NPPES registry as of the last update on 2019-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.