Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Kathryn Margaret Costello, PA-C

Individual provider Physician Assistant · NPI 1447888268

Kathryn Margaret Costello, PA-C is a Physician Assistant in Newton, Massachusetts. Qualified in 2020, 6 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
6
Licensed in
MA
In the registry since
2020
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

2014 Washington St
Newton, MA 02462-1699
Phone: (617) 243-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 55 Fruit Street, Boston, MA 02241-9706 — (617) 726-2000
  • 52 Second Ave, Waltham, MA 02451-1127 — (781) 487-6800

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA7769 (MA)

Record details

NPI number1447888268
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorYes
NPI enumeratedMarch 28, 2020
Last updated in NPPESMarch 24, 2025
Certification dateMarch 24, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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