Quick answers
- Where does Mark A. Antonacci see patients?
- Medicare's clinician data lists 1 practice location in Frisco, TX. Call before your visit to confirm the address.
- What is Mark A. Antonacci's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark A. Antonacci accept Medicare assignment?
- Medicare's clinician data says Mark A. Antonacci may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Mark A. Antonacci?
- (972) 625-6020, as listed in official Medicare / NPI Registry data.
- What is Mark A. Antonacci's NPI number?
- 1083673016. 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 Mark A. Antonacci is enrolled with Medicare (CMS data updated 2026-10-02).
- 9205 Legacy DrFrisco, TX 75033 (972) 625‑6020
Group practices
Medicare enrollment lists Mark A. Antonacci as a member of this group (CMS data updated 2026-10-02).
- Legacy Urgent Care PA159 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Frisco
Clinicians with the same Medicare primary specialty in Frisco, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1083673016 |
| 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