Quick answers
- Which hospitals does John D. Allison work at?
- Medicare's official clinician data lists John D. Allison at 4 hospitals: Ascension Seton Cedar Park, North Austin Medical Center, Round Rock Medical Center and St David's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. Allison see patients?
- Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
- What is John D. Allison's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does John D. Allison accept Medicare assignment?
- Yes. Medicare's clinician data says John D. Allison 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.
- Does John D. Allison offer telehealth?
- Medicare's clinician data says John D. Allison offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John D. Allison?
- (512) 807-3150, as listed in official Medicare / NPI Registry data.
- What is John D. Allison's NPI number?
- 1114347770. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John D. Allison works
Medicare's Facility Affiliation Data lists John D. Allison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton Cedar ParkCedar Park, TX · Acute Care Hospital · CCN 670043
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · CCN 450718
- St David's Medical CenterAustin, TX · Acute Care Hospital · CCN 450431
Practice locations
Addresses where John D. Allison is enrolled with Medicare (CMS data updated 2026-10-02).
- 3000 N Ih, 35 Suite 700Austin, TX 78705 (512) 807‑3150
Group practices
Medicare enrollment lists John D. Allison as a member of this group (CMS data updated 2026-10-02).
- St Davids Heart and Vascular PLLC203 clinicians in the group
Specialties
Other cardiac electrophysiologists in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114347770 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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