Quick answers
- Does Clarence W. Barr Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Clarence W. Barr Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Clarence W. Barr Iii see?
- In 2024, CMS data shows 230 Original Medicare patients and 710 services for Clarence W. Barr Iii. This counts Original Medicare only and measures volume, not quality.
- What is Clarence W. Barr Iii's NPI number?
- 1477649903. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Clarence W. Barr Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 230 |
|---|---|
| Services billed to Medicare | 710 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)266 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)185 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)111 services
- Measurement of brain wave activity (eeg), awake and asleep (95819)67 services
- Measurement of brain wave activity (eeg), in coma or asleep (95822)27 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis58%
- Chronic kidney disease57%
- Stroke or mini-stroke57%
Hospitals where Clarence W. Barr Iii works
Medicare's Facility Affiliation Data lists Clarence W. Barr Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Princeton Baptist Medical CenterBirmingham, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010103
- Shelby Baptist Medical CenterAlabaster, AL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 010016
Practice locations
Addresses where Clarence W. Barr Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 1130 22nd St S, Suite 1000Birmingham, AL 35205 (205) 715‑5943
Group practices
Medicare enrollment lists Clarence W. Barr Iii as a member of this group (CMS data updated October 2, 2026).
- Baptist Health Centers LLC198 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Birmingham
Clinicians with the same Medicare primary specialty in Birmingham, AL — not a recommendation.
Other clinicians in Baptist Health Centers LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477649903 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians