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

Dr. John Thomas Downing, DO

Individual provider Emergency Medicine Physician · NPI 1073889242

Dr. John Thomas Downing, DO is an Emergency Medicine in Chicago, Illinois. Qualified in 2012, 14 years ago. Practices with Clarksville Emergency Group PC, a 152-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
14
Licensed in
IL, IN
In the registry since
2012
Specialties on file
2
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

836 W Wellington Ave
Chicago, IL 60657-5147
Phone: (773) 975-1600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5454 Hohman Ave, Hammond, IN 46320 — (219) 932-2300

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036.140717 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 02004823A (IN)

Record details

NPI number1073889242
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 1, 2012
Last updated in NPPESDecember 21, 2023
Certification dateDecember 21, 2023

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Clarksville Emergency Group Pc — 152 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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