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Diagnostic Radiology

Clinton T. Holladay, MD

Works at hospitals in Birmingham, AL · Alabama

Summary

Dr. Clinton T. Holladay, MD is a radiologist at 44 Medical Park Dr E, Birmingham, AL 35235. Phone: (205) 838-3660. Accepts Medicare assignment. In 2024, Clinton T. Holladay had 70 Original Medicare patients and 1,111 services. NPI 1659321529. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 44 Medical Park Dr E, Birmingham, AL 35235 · Directions (2 more locations)
  • Phone: (205) 838‑3660
  • Medicare: Accepts Medicare assignment
  • Hospital: Princeton Baptist Medical Center
  • Group practice: Birmingham Radiological Group PC
  • Medical school: University Of Alabama School Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Clinton T. Holladay, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Clinton T. Holladay accept Medicare assignment?
Yes. Medicare's clinician data says Clinton T. Holladay 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 Clinton T. Holladay see?
In 2024, CMS data shows 70 Original Medicare patients and 1,111 services for Clinton T. Holladay. This counts Original Medicare only and measures volume, not quality.
What is Clinton T. Holladay's NPI number?
1659321529. 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 Clinton T. Holladay, 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 patients70
Services billed to Medicare1,111
Different services or procedures26
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)531 services
  2. Radiation treatment management, 5 treatment sessions (77427)110 services
  3. Design and construction of complex radiation treatment device (77334)103 services
  4. Calculation of radiation therapy dose (77300)93 services
  5. Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved (77290)38 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • Arthritis63%
  • Diabetes47%
  • Ischemic heart disease37%

Hospitals where Clinton T. Holladay works

Medicare's Facility Affiliation Data lists Clinton T. Holladay 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.

Practice locations

Addresses where Clinton T. Holladay is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clinton T. Holladay as a member of this group (CMS data updated October 2, 2026).

  • Birmingham Radiological Group PC39 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Alabama →

Other radiologists in Birmingham

Clinicians with the same Medicare primary specialty in Birmingham, AL — not a recommendation.

All radiologists in Birmingham →

Other clinicians in Birmingham Radiological Group PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659321529
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians