Quick answers
- Which hospitals does Jason Fullmer work at?
- Medicare's official clinician data lists Jason Fullmer at 1 hospital: Ascension Seton Medical Center Austin. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason Fullmer see patients?
- Medicare's clinician data lists 5 practice locations, including Round Rock, TX and Austin, TX. Call before your visit to confirm the address.
- What is Jason Fullmer's specialty?
- Medicare lists Pediatric Medicine as the primary specialty, and also Internal Medicine and Pulmonary Disease.
- Does Jason Fullmer accept Medicare assignment?
- Yes. Medicare's clinician data says Jason Fullmer 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 Jason Fullmer?
- (512) 324-1000, as listed in official Medicare / NPI Registry data.
- What is Jason Fullmer's NPI number?
- 1184796401. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason Fullmer works
Medicare's Facility Affiliation Data lists Jason Fullmer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · CCN 450056
Practice locations
Addresses where Jason Fullmer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Hesters Crossing RdRound Rock, TX 78681
- 1201 W 38th StAustin, TX 78705 (512) 324‑1000
- 1301 Barbara Jordan BlvdAustin, TX 78723
- 201 University Oaks, Suite 1260Round Rock, TX 78665 (512) 380‑9200
- 6811 Austin Ctr BlvdAustin, TX 78731
Group practices
Medicare enrollment lists Jason Fullmer as a member of this group (CMS data updated 2026-10-02).
- Dell Childrens Medical Group115 clinicians in the group
Specialties
- Pediatric Medicineprimary
- Internal Medicinealso
- Pulmonary Diseasealso
Other pediatricians in Round Rock
Clinicians with the same Medicare primary specialty in Round Rock, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184796401 |
| 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