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

Joseph Trettel Jr., MDPHD

Individual provider Psychiatry Physician · NPI 1750542502

Joseph Trettel Jr., MDPHD is a Neuropsychiatry in Boston, Massachusetts. Graduated from University of Connecticut School of Medicine in 2008, 18 years ago. Practices with Hartford Hospital, a 1,040-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
18
Trained at
University of Connecticut School of Medicine
Licensed in
CT
In the registry since
2008
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Practice location Address checks out

221 Longwood Ave
Boston, MA 02115-5804
Phone: (617) 732-6753
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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 050160 (CT)

Record details

NPI number1750542502
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorNo
NPI enumeratedJune 24, 2008
Last updated in NPPESAugust 9, 2013

Medicare enrollment

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

Medicare specialtyNEUROPSYCHIATRY
Also practisesPSYCHIATRY
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Hartford Hospital — 1040 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations23 on file with Medicare

Other providers in Boston