Quick answers
- Where does Gregory Muller see patients?
- Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
- What is Gregory Muller's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Gregory Muller accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Muller accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory Muller?
- (833) 882-2737, as listed in official Medicare / NPI Registry data.
- What is Gregory Muller's NPI number?
- 1962132902. 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 Gregory Muller is enrolled with Medicare (CMS data updated 2026-10-02).
- 1601 Trinity StAustin, TX 78712 (833) 882‑2737
Group practices
Medicare enrollment lists Gregory Muller as a member of these groups (CMS data updated 2026-10-02).
- The University of Texas at Austin153 clinicians in the group
- University of Texas at Austin Dell Medical School151 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962132902 |
| 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 2026-10-02, retrieved 2026-10-29
- 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