Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katherin Adriana Sonneborn, PA

Individual provider Surgical Physician Assistant · NPI 1881901718

Katherin Adriana Sonneborn, PA is a Physician Assistant in Exeter, New Hampshire. Qualified in 2010, 16 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
16
Licensed in
MA, NH
In the registry since
2010
Specialties on file
2
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

3 Alumni Dr Ste 301
Exeter, NH 03833-2123
Phone: (603) 775-7405
Fax: (603) 775-7424
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 55 Fruit St, Boston, MA 02114-2696 — (617) 726-2000
  • 100 Hitchcock Way, Manchester, NH 03104 — (603) 695-2722

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA101126 (MA)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence 1029 (NH)

Record details

NPI number1881901718
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedSeptember 14, 2010
Last updated in NPPESDecember 12, 2025
Certification dateDecember 12, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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