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

Dr. Peter E Guay, DO

Individual provider Orthopaedic Surgery Physician · NPI 1558361311

Dr. Peter E Guay, DO is an Orthopaedic Surgery Physician in Portland, Maine. Licensed in Maine. Registered with an NPI since 2005.

Licensed in
ME
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

33 Sewall St
Portland, ME 04102-2603
Phone: (207) 828-2100
Fax: (207) 828-2190
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 1172 (ME)

Record details

NPI number1558361311
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 22, 2005
Last updated in NPPESAugust 26, 2009
Mailing addressPo Box 1260, Portland, ME 04104-1260

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