Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Elizabeth J. Keegan, PA-C

Individual provider Physician Assistant · NPI 1508066937

MS. Elizabeth J. Keegan, PA-C is a Physician Assistant in Worcester, Massachusetts. Qualified in 2006, 20 years ago. Practices with Robert P Castellucci MD, a 2-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
20
Licensed in
MA
In the registry since
2007
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

123 Summer St Ste 590 N
Worcester, MA 01608-1216
Phone: (508) 368-3179
Fax: (508) 368-3164
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 2310 (MA)

Record details

NPI number1508066937
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 24, 2007
Last updated in NPPESJuly 24, 2007

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Robert P Castellucci Md — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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