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

Dr. Karl T Hartmann, MD

Individual provider Hospitalist Physician · NPI 1437122314

Dr. Karl T Hartmann, MD is an Internal Medicine in East Hartford, Connecticut. Graduated from Js Weill Medical College, Cornell University in 2000, 26 years ago. Practices with Middlesex Hospital, a 229-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
26
Trained at
Js Weill Medical College, Cornell University
Licensed in
CT
In the registry since
2006
Specialties on file
2
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

94 Connecticut Blvd
East Hartford, CT 06108-3013
Phone: (860) 528-1359
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 041740 (CT)
Hospitalist Physician Taxonomy 208M00000X · Licence 041740 (CT)

Record details

NPI number1437122314
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 10, 2006
Last updated in NPPESJune 9, 2022
Certification dateJune 9, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2000 (26 years in practice)
Group practice Middlesex Hospital — 229 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount