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

Individual provider Internal Medicine Physician · NPI 1235361759

Dr. Luis Diego Leon, MD is an Internal Medicine in Southington, Connecticut. Qualified in 1999, 27 years ago. Practices with University of Connecticut Health Center, a 628-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
27
Licensed in
CT
In the registry since
2009
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

1115 W St
Southington, CT 06489-6025
Phone: (860) 679-2766
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 80 Phoenix Ave, Waterbury, CT 06702-1418 — (203) 756-8021

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 049613 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 049613 (CT)

Record details

NPI number1235361759
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2009
Last updated in NPPESSeptember 12, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice University Of Connecticut Health Center — 628 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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