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

Dr. Cathy J Zack, MD

Individual provider Family Medicine Physician · NPI 1003828435

Dr. Cathy J Zack, MD is a Family Practice in East Hampton, Connecticut. Graduated from Geisel School of Medicine at Dartmouth in 1988, 38 years ago. Practices with Middlesex Hospital, a 229-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
38
Trained at
Geisel School of Medicine at Dartmouth
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.

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Practice location Address checks out

120 Main St
East Hampton, CT 06424-1123
Phone: (860) 267-2593
Fax: (860) 267-4889
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 030910 (CT)
Hospitalist Physician Taxonomy 208M00000X · Licence 30910 (CT)

Record details

NPI number1003828435
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESMay 4, 2017

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesHOSPITALIST
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1988 (38 years in practice)
Group practice Middlesex Hospital — 229 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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