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

Sean Michael Calnan, PA-C

Individual provider Internal Medicine Physician · NPI 1831594134

Sean Michael Calnan, PA-C is a Physician Assistant in Watertown, Massachusetts. Qualified in 2014, 12 years ago. Practices with Mass General Brigham Community Physicians Inc, a 422-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Rhode Island.

Years since qualifying
12
Licensed in
MA, RI
In the registry since
2014
Specialties on file
3
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

11 Mount Auburn Street Mgb Integrated Care
Watertown, MA 02472
Phone: (781) 653-0100
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA5181 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence PA5181 (MA)
Physician Assistant Taxonomy 363A00000X · Licence #PA 00788 (RI)

Record details

NPI number1831594134
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorYes
NPI enumeratedOctober 29, 2014
Last updated in NPPESOctober 15, 2021
Certification dateSeptember 30, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Mass General Brigham Community Physicians Inc — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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