Quick answers
- Which hospitals does Katarzyna Mosio work at?
- Medicare's official clinician data lists Katarzyna Mosio at 2 hospitals: Melrosewakefield Healthcare and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katarzyna Mosio see patients?
- Medicare's clinician data lists 1 practice location in Stoneham, MA. Call before your visit to confirm the address.
- What is Katarzyna Mosio's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Katarzyna Mosio accept Medicare assignment?
- Yes. Medicare's clinician data says Katarzyna Mosio 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 Katarzyna Mosio?
- (781) 279-7040, as listed in official Medicare / NPI Registry data.
- What is Katarzyna Mosio's NPI number?
- 1932841947. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katarzyna Mosio works
Medicare's Facility Affiliation Data lists Katarzyna Mosio at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Melrosewakefield HealthcareMelrose, MA · Acute Care Hospital · CCN 220070
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Katarzyna Mosio is enrolled with Medicare (CMS data updated 2026-10-02).
- 92 Montvale Ave, Suite 1400Stoneham, MA 02180 (781) 279‑7040
Group practices
Medicare enrollment lists Katarzyna Mosio as a member of this group (CMS data updated 2026-10-02).
- Orthopedic Surgery, Inc25 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stoneham
Clinicians with the same Medicare primary specialty in Stoneham, MA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932841947 |
| 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