Quick answers
- Does Brent W. Carmack accept Medicare assignment?
- Yes. Medicare's clinician data says Brent W. Carmack 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 Brent W. Carmack see?
- In 2024, CMS data shows 506 Original Medicare patients and 1,584 services for Brent W. Carmack. This counts Original Medicare only and measures volume, not quality.
- What is Brent W. Carmack's NPI number?
- 1841391661. 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 Brent W. Carmack, 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 | 506 |
|---|---|
| Services billed to Medicare | 1,584 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)589 services
- Imaging of retina (92134)231 services
- Exam of visual field with extended testing (92083)112 services
- Removal of recurring cataract in lens capsule using a laser (66821)100 services
- Imaging of optic nerve (92133)100 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 cholesterol75%
- High blood pressure69%
- Arthritis45%
- Ischemic heart disease28%
- Diabetes22%
- Anxiety22%
Practice locations
Addresses where Brent W. Carmack is enrolled with Medicare (CMS data updated October 2, 2026).
- 900 Carillon Pkwy, Suite 111St Petersburg, FL 33716 (727) 789‑2020
Specialties
- Ophthalmologyprimary
Other ophthalmologists in St Petersburg
Clinicians with the same Medicare primary specialty in St Petersburg, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Florida College Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841391661 |
| 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
- 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