Quick answers
- Which hospitals does Sydney Greenberg work at?
- Medicare's official clinician data lists Sydney Greenberg at 1 hospital: Ascension Seton Medical Center Austin. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sydney Greenberg see patients?
- Medicare's clinician data lists 2 practice locations, including Austin, TX. Call before your visit to confirm the address.
- What is Sydney Greenberg's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sydney Greenberg accept Medicare assignment?
- Medicare's clinician data says Sydney Greenberg 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 Sydney Greenberg?
- (512) 978-9600, as listed in official Medicare / NPI Registry data.
- What is Sydney Greenberg's NPI number?
- 1619646262. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sydney Greenberg works
Medicare's Facility Affiliation Data lists Sydney Greenberg 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 Sydney Greenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 1705 E 11th StAustin, TX 78702 (512) 978‑9600
- 2901 Montopolis DrAustin, TX 78741 (512) 978‑9955
Group practices
Medicare enrollment lists Sydney Greenberg as a member of this group (CMS data updated 2026-10-02).
- Central Texas Community Health Centers173 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1619646262 |
| 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