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

Mackenzie Smith, MD

Individual provider Internal Medicine Physician · NPI 1306867163

Mackenzie Smith, MD is a Hospitalist in Waterbury, Connecticut. Graduated from Jefferson Medical College of Thomas Jefferson University in 2003, 23 years ago. Practices with Middlesex Hospital, a 229-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
23
Trained at
Jefferson Medical College of Thomas Jefferson 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.

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Practice location Address checks out

64 Robbins St Sixth Fl
Waterbury, CT 06708-2613
Phone: (203) 573-6263
Fax: (203) 573-6707
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 044415 (CT)
Hospitalist Physician Taxonomy 208M00000X · Licence 044415 (CT)

Record details

NPI number1306867163
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address1625 Straits Tpke, Middlebury, CT 06762-1836

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2003 (23 years in practice)
Group practice Middlesex Hospital — 229 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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