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

Darrin Paul Guitreau, PA-C

Individual provider Medical Physician Assistant · NPI 1023140035

Darrin Paul Guitreau, PA-C is a Physician Assistant in Brunswick, Maine. Graduated from Baylor College of Medicine in 2001, 25 years ago. Practices with Mainehealth, a 2,615-clinician group and accepts Medicare assignment. Licensed in Colorado and Maine.

Years since qualifying
25
Trained at
Baylor College of Medicine
Licensed in
CO, ME
In the registry since
2007
Specialties on file
2
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

121 Medical Center Dr Ste 3300
Brunswick, ME 04011-2674
Phone: (207) 373-6490
Fax: (207) 536-6046
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA2184 (ME)
Medical Physician Assistant Taxonomy 363AM0700X · Licence PA0003781 (CO)

Record details

NPI number1023140035
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMarch 12, 2007
Last updated in NPPESJanuary 7, 2025
Certification dateJanuary 7, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients23
Services billed 28 a service is one billed item, such as a visit, a test or a procedure
Average patient age69

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Mainehealth Mid Coast Hospital Hospital · Brunswick, ME

Colleagues at Mainehealth

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2615 clinicians in the practice; 12 are shown here.

Other providers in Brunswick