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

Individual provider Psychiatry Physician · NPI 1578199436

Dr. Samuel Joseph McMillen, MD is a Psychiatry in Cambridge, Massachusetts. Qualified in 2016, 10 years ago. Practices with Cambridge Public Health Commission, a 649-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
10
Licensed in
MA
In the registry since
2020
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

1493 Cambridge St
Cambridge, MA 02139-1047
Phone: (617) 665-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Psychiatry Physician Taxonomy 2084P0800X · Licence 1014068 (MA)

Record details

NPI number1578199436
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2020
Last updated in NPPESFebruary 25, 2025
Certification dateFebruary 25, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Cambridge Public Health Commission — 649 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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