Quick answers
- Which hospitals does Cara E. O'Brien work at?
- Medicare's official clinician data lists Cara E. O'Brien at 5 hospitals: Bryn Mawr Hospital, Christiana Hospital, Hospital of Univ of Pennsylvania, Main Line Hospital Lankenau and Riddle Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cara E. O'Brien see patients?
- Medicare's clinician data lists 1 practice location in Glen Mills, PA. Call before your visit to confirm the address.
- What is Cara E. O'Brien's specialty?
- Medicare lists Urology as the primary specialty.
- Does Cara E. O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Cara E. O'Brien 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 Cara E. O'Brien?
- (610) 579-3577, as listed in official Medicare / NPI Registry data.
- What is Cara E. O'Brien's NPI number?
- 1306223300. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cara E. O'Brien works
Medicare's Facility Affiliation Data lists Cara E. O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · CCN 390139
- Christiana HospitalNewark, DE · Acute Care Hospital · CCN 080001
- Hospital of Univ of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · CCN 390111
- Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · CCN 390195
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · CCN 390222
Practice locations
Addresses where Cara E. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 Evergreen Dr G5 Garden Te, Academic Urology CrozerGlen Mills, PA 19342 (610) 579‑3577
Group practices
Medicare enrollment lists Cara E. O'Brien as a member of this group (CMS data updated 2026-10-02).
- The Centers for Advanced Urology LLP145 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306223300 |
| 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