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

Donald S Macmillan, PA

Individual provider Physician Assistant · NPI 1881659167

Donald S Macmillan, PA is a Physician Assistant in New Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

800 Howard Ave Yale Physicians Bldg
New Haven, CT 06519-1369
Phone: (203) 785-2140
Fax: (203) 785-6414
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 000555 (CT)

Record details

NPI number1881659167
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESJuly 13, 2026

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