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

Mark Leondires, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1063437275

Mark Leondires, MD is an Obstetrics & Gynecology Physician in Norwalk, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
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

761 Main Ave
Norwalk, CT 06851-1080
Phone: (203) 750-7400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 040142 (CT)

Record details

NPI number1063437275
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESDecember 31, 2014
Mailing address761 Main Ave, Norwalk, CT 06851-1080

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