Quick answers
- Which hospitals does Katherine Arnao work at?
- Medicare's official clinician data lists Katherine Arnao at 1 hospital: Jefferson Einstein Montgomery Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katherine Arnao see patients?
- Medicare's clinician data lists 7 practice locations, including Phila, PA, Philadelphia, PA and East Norriton, PA. Call before your visit to confirm the address.
- What is Katherine Arnao's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Katherine Arnao accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine Arnao 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 Katherine Arnao?
- (215) 456-6786, as listed in official Medicare / NPI Registry data.
- What is Katherine Arnao's NPI number?
- 1619520194. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine Arnao works
Medicare's Facility Affiliation Data lists Katherine Arnao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson Einstein Montgomery HospitalEast Norriton, PA · Acute Care Hospital · CCN 390329
Practice locations
Addresses where Katherine Arnao is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 5501 Old York RdPhila, PA 19141
- 5501 Old York Rd Levy 2, Einstein Pediatrics AssociatesPhiladelphia, PA 19141 (215) 456‑6786
- 5501 Old York Rd Wcb 4th Flr, Einstein Ct Surgery AssocPhiladelphia, PA 19141 (215) 456‑8270
- 559 W Germantown PikeEast Norriton, PA 19403
- 559 W Germantown PikeNorristown, PA 19403 (610) 279‑1500
Group practices
Medicare enrollment lists Katherine Arnao as a member of these groups (CMS data updated 2026-10-02).
- Einstein Practice Plan Inc794 clinicians in the group
- Fornance Physician Services Inc100 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Phila
Clinicians with the same Medicare primary specialty in Phila, PA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619520194 |
| 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