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

Kellyann O'Brien, PA-C

Individual provider Medical Physician Assistant · NPI 1619910155

Kellyann O'Brien, PA-C is a Physician Assistant in Springfield, Massachusetts. Graduated from Yale University School of Medicine in 2004, 22 years ago. Practices with Convenientmd - Ffs Uc LLC, a 395-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
22
Trained at
Yale University School of Medicine
Licensed in
MA
In the registry since
2006
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

3400 Main St
Springfield, MA 01107-1113
Phone: (413) 794-9560
Fax: (413) 794-5884
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 471 Center St, Ludlow, MA 01056-2733 — (413) 625-3500

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA4823 (MA)

Record details

NPI number1619910155
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESNovember 17, 2023
Certification dateNovember 17, 2023

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Convenientmd - Ffs Uc Llc — 395 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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