Quick answers
- Which hospitals does Roselle D. Mesmer work at?
- Medicare's official clinician data lists Roselle D. Mesmer at 5 hospitals: Chester County Hospital, Christiana Hospital, Hospital of University 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 Roselle D. Mesmer see patients?
- Medicare's clinician data lists 4 practice locations, including Lansdale, PA, Philadelphia, PA and Kennett Square, PA. Call before your visit to confirm the address.
- What is Roselle D. Mesmer's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Roselle D. Mesmer accept Medicare assignment?
- Yes. Medicare's clinician data says Roselle D. Mesmer 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 Roselle D. Mesmer?
- (215) 361-5020, as listed in official Medicare / NPI Registry data.
- What is Roselle D. Mesmer's NPI number?
- 1679547293. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roselle D. Mesmer works
Medicare's Facility Affiliation Data lists Roselle D. Mesmer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · CCN 390179
- Christiana HospitalNewark, DE · Acute Care Hospital · CCN 080001
- Hospital of University 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 Roselle D. Mesmer is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 Medical Campus Dr, Suite 101Lansdale, PA 19446 (215) 361‑5020
- 1703 S Broad St, Suite 300Philadelphia, PA 19148 (215) 463‑5333
- 404 McFarlan Rd, Suite 102Kennett Square, PA 19348 (610) 696‑2850
- 915 Old Fern Hill Rd, Suite 5West Chester, PA 19380 (610) 696‑2850
Group practices
Medicare enrollment lists Roselle D. Mesmer as a member of this group (CMS data updated 2026-10-02).
- Cardiology Consultants of Philadelphia PC153 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Pennsylvania →
Other cardiologists in Lansdale
Clinicians with the same Medicare primary specialty in Lansdale, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679547293 |
| 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