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

Dr. Kathryn Leigh Mazza, DO

Individual provider Family Medicine Physician · NPI 1497196471

Dr. Kathryn Leigh Mazza, DO is a Family Medicine Physician in Guilford, Connecticut. Practices as a sole proprietor and works from 2 locations. Licensed in Connecticut and New York.

Licensed in
CT, NY
In the registry since
2013
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1591 Boston Post Rd Ste 100
Guilford, CT 06437-4335
Phone: (203) 453-9911
Fax: (203) 458-1905
Show map & directions

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

Additional practice locations (1)

  • 1067 Ogden Ave, Bronx, NY 10452-4601 — (718) 992-7669

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 079272 (CT)
Family Medicine Physician Taxonomy 207Q00000X · Licence 289426 (NY)

Record details

NPI number1497196471
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 8, 2013
Last updated in NPPESAugust 19, 2025
Certification dateAugust 19, 2025

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