Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. John O'Connell, DO

Individual provider Family Medicine Physician · NPI 1588612626

Dr. John O'Connell, DO practises Geriatric Medicine in Rolling Meadows, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1993, 33 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2006
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

1835 Rohlwing Rd Ste A
Rolling Meadows, IL 60008-1394 Not confirmed with CMS for 13 years — call before visiting
Phone: (847) 951-4451
Fax: (847) 398-8360
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036094139 (IL)

Record details

NPI number1588612626
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESMay 21, 2013

Medicare enrollment

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

Medicare specialtyGERIATRIC MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients360
Services billed 3,763 a service is one billed item, such as a visit, a test or a procedure
Average patient age83

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Other providers in Rolling Meadows