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

John F. Sullivan, DO

Individual provider Emergency Medicine Physician · NPI 1780717108

John F. Sullivan, DO is an Emergency Medicine in Hoffman Estates, Illinois. Graduated from Chicago College of Osteopathy in 1988, 38 years ago. Practices with Cepamerica Illinois LLP, a 493-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
38
Trained at
Chicago College of Osteopathy
Licensed in
IL
In the registry since
2007
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

1555 Barrington Rd
Hoffman Estates, IL 60194-1019
Phone: (847) 843-2000
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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 (IL)

Record details

NPI number1780717108
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 14, 2007
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 5990, Dept. 20-6003, Carol Stream, IL 60197

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolCHICAGO COLLEGE OF OSTEOPATHY
Graduated 1988 (38 years in practice)
Group practice Cepamerica Illinois Llp — 493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Hoffman Estates