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

Individual provider Psychiatry Physician · NPI 1538517172

Billy J Zou, MD is a Psychiatry Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
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

300 Longwood Ave Unit 2009
Boston, MA 02115-5724
Phone: (617) 355-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 286079 (MA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 2674073 (MA)

Record details

NPI number1538517172
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 24, 2016
Last updated in NPPESMarch 31, 2021
Certification dateMarch 31, 2021

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