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

Ann Renee Collier, MD

Individual provider Pediatric Allergy/Immunology Physician · NPI 1891863411

Ann Renee Collier, MD is an Allergy/Immunology in Oak Brook, Illinois. Qualified in 2001, 25 years ago. Practices with Duke Health Integrated Practice Inc, a 3,094-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Ohio.

Years since qualifying
25
Licensed in
IL, OH
In the registry since
2006
Specialties on file
2
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

120 Oakbrook Ctr Ste 424
Oak Brook, IL 60523-1806
Phone: (630) 574-0460
Fax: (630) 574-0470
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 036118702 (IL)
Pediatric Allergy/Immunology Physician Taxonomy 2080P0201X · Licence 35084568 (OH)

Record details

NPI number1891863411
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESDecember 28, 2007
Mailing address120 Oakbrook Ctr, Suite 424, Oak Brook, IL 60523-1806

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Duke Health Integrated Practice Inc — 3094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare