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

James D. Duffy, MD

Individual provider Psychiatry Physician · NPI 1831118736

James D. Duffy, MD is a Psychiatry in Mystic, Connecticut. Qualified in 1979, 47 years ago. Practices with Hartford Healthcare Medical Group Specialists PLLC, a 1,537-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
47
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 Perkins Farm Dr Ste 102
Mystic, CT 06355
Phone: (860) 870-6385
Fax: (860) 245-0000
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence C56124 (CA)

Record details

NPI number1831118736
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESJuly 19, 2022
Certification dateJuly 19, 2022
Mailing address100 Perkins Farm Drive, Suite 102, Mystic, CT 06355

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice Hartford Healthcare Medical Group Specialists Pllc — 1537 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services