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

Dr. Joan Mary Leya, MD

Individual provider Reproductive Endocrinology Physician · NPI 1326037912

Dr. Joan Mary Leya, MD is a Reproductive Endocrinology Physician in Evanston, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

800 Austin St Ste 310 West Tower
Evanston, IL 60202-3439
Phone: (847) 475-5188
Fax: (847) 475-8778
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X (IL)
Reproductive Endocrinology Physician Taxonomy 207VE0102X (IL)

Record details

NPI number1326037912
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2005
Last updated in NPPESSeptember 11, 2025

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