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

Individual provider Physician Assistant · NPI 1376856138

Ryan C Zimmerman, PA-C is a Physician Assistant in Portland, Maine. Graduated from University of New England, College of Osteo Medicine in 2010, 16 years ago. Practices with Mercy Hospital, a 308-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
16
Trained at
University of New England, College of Osteo Medicine
Licensed in
ME
In the registry since
2010
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

33 Sewall St
Portland, ME 04102-2603
Phone: (207) 828-2100
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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 PA1215 (ME)

Record details

NPI number1376856138
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 22, 2010
Last updated in NPPESNovember 11, 2015

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2010 (16 years in practice)
Group practice Mercy Hospital — 308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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