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

Amy O'Brian Thomas, MD

Individual provider Allergy & Immunology Physician · NPI 1134359862

Amy O'Brian Thomas, MD is an Allergy/Immunology in Gurnee, Illinois. Graduated from State University of Ny Upstate Medical University in 2009, 17 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
17
Trained at
State University of Ny Upstate Medical University
Licensed in
IL
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6155 Grand Ave Ste 200
Gurnee, IL 60031-1651
Phone: (847) 535-7647
Fax: (224) 271-6642
Show map & directions

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 036.135378 (IL)

Record details

NPI number1134359862
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 15, 2009
Last updated in NPPESMarch 23, 2022
Certification dateMarch 23, 2022

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 2009 (17 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services