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

Dr. Deborah Jean O'Brien, MD

Individual provider Family Medicine Physician · NPI 1780778779

Dr. Deborah Jean O'Brien, MD is a Family Practice in Montgomery, Illinois. Graduated from University of Minnesota Medical School in 1987, 39 years ago. Practices with American Current Care PA, a 549-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
39
Trained at
University of Minnesota Medical School
Licensed in
IL
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.

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Practice location Address checks out

1655 Timber Lane Dr
Montgomery, IL 60538-2922
Phone: (630) 660-4719
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036099741 (IL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 036099741 (IL)

Record details

NPI number1780778779
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESSeptember 14, 2012

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice American Current Care Pa — 549 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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