Quick answers
- Does Mariela C. Hession accept Medicare assignment?
- Yes. Medicare's clinician data says Mariela C. Hession 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 Mariela C. Hession see?
- In 2024, CMS data shows 479 Original Medicare patients and 2,545 services for Mariela C. Hession. This counts Original Medicare only and measures volume, not quality.
- What is Mariela C. Hession's NPI number?
- 1720248594. 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 Mariela C. Hession, 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 | 479 |
|---|---|
| Services billed to Medicare | 2,545 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Screening mammography (77067)349 services
- Screening 3d breast mammography (77063)339 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)82 services
- Limited ultrasound scan of 1 breast (76642)67 services
- Diagnostic mammography of 1 breast (77065)63 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 cholesterol72%
- High blood pressure55%
- Arthritis41%
- Osteoporosis21%
- Anxiety20%
- Ischemic heart disease19%
Practice locations
Addresses where Mariela C. Hession is enrolled with Medicare (CMS data updated October 2, 2026).
- 1201 W 38th StAustin, TX 78705 (512) 406‑6300
Group practices
Medicare enrollment lists Mariela C. Hession as a member of this group (CMS data updated October 2, 2026).
- Seton Family of Doctors792 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Other clinicians in Seton Family of Doctors
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720248594 |
| 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