Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William A. Brennan Jr., MD

Individual provider Psychiatry Physician · NPI 1700861028

Dr. William A. Brennan Jr., MD is a Psychiatry Physician in Westbrook, Maine. Licensed in Maine. Registered with an NPI since 2005.

Licensed in
ME
In the registry since
2005
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

123 Andover Rd
Westbrook, ME 04092-3848
Phone: (207) 761-2200
Fax: (207) 761-2108
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD15334 (ME)

Record details

NPI number1700861028
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 9, 2005
Last updated in NPPESOctober 14, 2016

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