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

Helen A. Nikolas, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1356424477

Helen A. Nikolas, MD is an Obstetrics/Gynecology in Oak Lawn, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1993, 33 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
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

4225 W 95th St
Oak Lawn, IL 60453-2623
Phone: (708) 423-2300
Fax: (708) 423-2318
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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 036093272 (IL)

Record details

NPI number1356424477
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESDecember 22, 2021
Certification dateDecember 22, 2021
Mailing address4225 W 95th St, Oak Lawn, IL 60453-2623

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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