Quick answers
- Does Marie C. Perusek accept Medicare assignment?
- Yes. Medicare's clinician data says Marie C. Perusek 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 Marie C. Perusek see?
- In 2024, CMS data shows 3,641 Original Medicare patients and 6,835 services for Marie C. Perusek. This counts Original Medicare only and measures volume, not quality.
- What is Marie C. Perusek's NPI number?
- 1740303171. 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 Marie C. Perusek, 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 | 3,641 |
|---|---|
| Services billed to Medicare | 6,835 |
| Different services or procedures | 74 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Dxa bone density measurement of hip, pelvis, spine (77080)1,643 services
- X-ray of spine, 1 view (72020)1,451 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,300 services
- Complete ultrasound scan of abdomen (76700)515 services
- Ultrasound scan of head and neck soft tissue (76536)217 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%
- Arthritis53%
- Diabetes29%
- Chronic kidney disease27%
- Ischemic heart disease26%
Practice locations
Addresses where Marie C. Perusek is enrolled with Medicare (CMS data updated October 2, 2026).
- 4410 Medical Dr, Suite 200San Antonio, TX 78229 (210) 575‑6750
Group practices
Medicare enrollment lists Marie C. Perusek as a member of this group (CMS data updated October 2, 2026).
- South Texas Radiology Imaging Centers77 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in South Texas Radiology Imaging Centers
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | University Of Texas Medical Branch At Galveston |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740303171 |
| 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