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

Daniel Thomas O'Brien, DO

Individual provider Emergency Medicine Physician · NPI 1730678665

Daniel Thomas O'Brien, DO is an Emergency Medicine in Chicago, Illinois. Graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2018, 8 years ago. Practices with Cep America LLC, a 985-clinician group and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
8
Trained at
Kansas City University of Med & Biosciences, College of Osteo Med
Licensed in
IL, IN
In the registry since
2018
Specialties on file
4
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

7435 W Talcott Ave
Chicago, IL 60631
Phone: (773) 792-7921
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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 036157306 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 125-071881 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 02006688A (IN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1730678665
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 7, 2018
Last updated in NPPESApril 25, 2022
Certification dateApril 25, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolKANSAS CITY UNIVERSITY OF MED & BIOSCIENCES, COLLEGE OF OSTEO MED
Graduated 2018 (8 years in practice)
Group practice Cep America Llc — 985 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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