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

John Croghan, MD

Individual provider Internal Medicine Physician · NPI 1790724060

John Croghan, MD is an Internal Medicine in Winnetka, Illinois. Graduated from Rush Medical College of Rush University in 1986, 40 years ago. Practices with Dedication Health LLC, an 8-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
40
Trained at
Rush Medical College of Rush University
Licensed in
IL
In the registry since
2006
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

710 Oak St
Winnetka, IL 60093-2522
Phone: (847) 840-1470
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036076821 (IL)

Record details

NPI number1790724060
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESFebruary 3, 2016
Mailing address710 Oak St, Winnetka, IL 60093-2522

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1986 (40 years in practice)
Group practice Dedication Health Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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