Quick answers
- Which hospitals does Stacy E. Ong work at?
- Medicare's official clinician data lists Stacy E. Ong at 5 hospitals: Ascension Seton Northwest, North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stacy E. Ong see patients?
- Medicare's clinician data lists 1 practice location in Round Rock, TX. Call before your visit to confirm the address.
- What is Stacy E. Ong's specialty?
- Medicare lists Urology as the primary specialty.
- Does Stacy E. Ong accept Medicare assignment?
- Yes. Medicare's clinician data says Stacy E. Ong 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 Stacy E. Ong offer telehealth?
- Medicare's clinician data says Stacy E. Ong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stacy E. Ong?
- (512) 238-0762, as listed in official Medicare / NPI Registry data.
- What is Stacy E. Ong's NPI number?
- 1356345821. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stacy E. Ong works
Medicare's Facility Affiliation Data lists Stacy E. Ong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton NorthwestAustin, TX · Acute Care Hospital · CCN 450867
- 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
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where Stacy E. Ong is enrolled with Medicare (CMS data updated 2026-10-02).
- 970 Hesters Crossing Rd, Suite 101Round Rock, TX 78681 (512) 238‑0762
Group practices
Medicare enrollment lists Stacy E. Ong as a member of this group (CMS data updated 2026-10-02).
- Sandeep G Mistry MD PA7 clinicians in the group
Specialties
- Urologyprimary
Other urologists 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 Southwestern Medical School At Dallas |
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356345821 |
| 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