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

Dr. Ronald E Bailyn, MD

Individual provider Psychiatry Physician · NPI 1699772772

Dr. Ronald E Bailyn, MD is a Psychiatry Physician in Portland, Maine. Licensed in Maine. Registered with an NPI since 2005.

Licensed in
ME
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

121 Middle St Ste 404
Portland, ME 04101-4156
Phone: (207) 772-8634
Fax: (207) 772-1629
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 011874 (ME)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence 011874 (ME)

Record details

NPI number1699772772
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2005
Last updated in NPPESOctober 3, 2008
Mailing address20 Adelbert St, South Portland, ME 04106-6512

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