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

Individual provider Surgical Physician Assistant · NPI 1538355755

Gregory A Schimmack, PA-C is a Physician Assistant in Portland, Maine. Qualified in 2007, 19 years ago. Practices with Mainehealth, a 2,615-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
19
Licensed in
ME
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

818 Congress St Maine Heart Surgical Associates
Portland, ME 04102-3112
Phone: (207) 773-8161
Fax: (207) 773-1489
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA001123 (ME)

Record details

NPI number1538355755
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 20, 2007
Last updated in NPPESAugust 2, 2012

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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