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

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