Quick answers
- Which hospitals does Sara A. Bierwerth work at?
- Medicare's official clinician data lists Sara A. Bierwerth at 1 hospital: Hospital of University of Pennsylvania. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara A. Bierwerth see patients?
- Medicare's clinician data lists 3 practice locations, including Malvern, PA, Phoenixville, PA and Philadelphia, PA. Call before your visit to confirm the address.
- What is Sara A. Bierwerth's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Sara A. Bierwerth accept Medicare assignment?
- Yes. Medicare's clinician data says Sara A. Bierwerth 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 Sara A. Bierwerth?
- (610) 933-1144, as listed in official Medicare / NPI Registry data.
- What is Sara A. Bierwerth's NPI number?
- 1699020404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara A. Bierwerth works
Medicare's Facility Affiliation Data lists Sara A. Bierwerth at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
Practice locations
Addresses where Sara A. Bierwerth is enrolled with Medicare (CMS data updated 2026-10-02).
- 270 Lancaster Ave, Suite F1Malvern, PA 19355 (610) 933‑1144
- 286 Griffen StPhoenixville, PA 19460 (610) 933‑1144
- 51 N 39th StPhiladelphia, PA 19104 (215) 662‑8100
Group practices
Medicare enrollment lists Sara A. Bierwerth as a member of these groups (CMS data updated 2026-10-02).
- University of Penn - Medical Group3,505 clinicians in the group
- Fab Eye Care Center PC5 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Malvern
Clinicians with the same Medicare primary specialty in Malvern, PA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699020404 |
| 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