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

Leah Nicole Treffeisen, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1043079387

Leah Nicole Treffeisen, DO is a Student in an Organized Health Care Education/Training Program in Hoffman Estates, Illinois. Licensed in Illinois. Registered with an NPI since 2024.

Licensed in
IL
In the registry since
2024
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.

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Practice location Address checks out

1555 Barrington Rd Obstetrics And Gynecology Residency Program
Hoffman Estates, IL 60169
Phone: (224) 299-6939
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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 125084221 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1043079387
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 18, 2024
Last updated in NPPESJune 24, 2024
Certification dateJune 24, 2024

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