Quick answers
- Does Chloe M. Marien-Casey accept Medicare assignment?
- Yes. Medicare's clinician data says Chloe M. Marien-Casey 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.
- What is Chloe M. Marien-Casey's NPI number?
- 1891523437. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Chloe M. Marien-Casey is enrolled with Medicare (CMS data updated October 2, 2026).
- 5000 Davis Ln, Suite 200Austin, TX 78749 (512) 458‑8400
- 6500 N Mopac Expressway, Bldg 3 Suite 200Austin, TX 78731 (512) 458‑8400
Group practices
Medicare enrollment lists Chloe M. Marien-Casey as a member of this group (CMS data updated October 2, 2026).
- Texas Diabetes and Endocrinology, P.A.26 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Other clinicians in Texas Diabetes and Endocrinology, P.A.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891523437 |
| 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
- 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