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 Not confirmed with CMS for 17 years — call before visiting
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

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