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

Dr. James Francis Sullivan, MD

Individual provider Internal Medicine Physician · NPI 1780679472

Dr. James Francis Sullivan, MD is an Internal Medicine in Mystic, Connecticut. Graduated from Yale University School of Medicine in 1973, 53 years ago. Practices with Hospital Medicine Associates LLC, a 207-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
53
Trained at
Yale University School of Medicine
Licensed in
CT
In the registry since
2005
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

200 Sandy Hollow Rd
Mystic, CT 06355-1720
Phone: (860) 572-8911
Fax: (860) 572-7758
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 017250 (CT)

Record details

NPI number1780679472
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 19, 2005
Last updated in NPPESDecember 22, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1973 (53 years in practice)
Group practice Hospital Medicine Associates Llc — 207 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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