Clinicians affiliated with Riversong Plastic Surgery PC

3 clinicians on file with this group · most practice in Boston-Cambridge-Newton, MA-NH · PAC ID 5799680682

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

3 clinicians affiliated with Riversong Plastic Surgery PC are in the 2024 Medicare Part B data, 2 of them physicians. Data years with affiliated clinicians: 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Plastic and Reconstructive Surgery (2) · Physician Assistant (1)

Specialty links go to the specialty in Boston-Cambridge-Newton, MA-NH.

Clinicians affiliated with Riversong Plastic Surgery PC, 2024

Alphabetical by last name; 3.

NameSpecialtyCity
Catherine L Kilmartin, M.D.Plastic and Reconstructive SurgeryNewburyport, MA
Lara Melchionda, P.A.-CPhysician AssistantNewburyport, MA
Michele T Sasmor, MDPlastic and Reconstructive SurgeryNewburyport, MA

Practice locations

Listed practice locations in Massachusetts.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations