A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. John Croghan:
View the full profile to get information on:
- What's important to you
View full profile
The overall average patient rating of Dr. John Croghan is Good.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. John Croghan, MD is board certified in Internal Medicine, Geriatric Medicine, and Rheumatology.
- He has special expertise in 6 areas:
- Hip Osteoarthritis
- Knee Osteoarthritis
- Rheumatic Diseases
Education & Awards
Dr. Croghan graduated from Rush Medical College, Chicago.
Dr. Croghan has 9 hospital affiliations:
- Evanston Hospital
- Skokie Hospital
Similar doctors nearby
- Additional Information
- Dr. John E Croghan MD is a male Internist, has 25 years of experience and practices in Internal Medicine, Geriatric Medicine, and Rheumatology.
- Where does Dr. John E. Croghan practice?
- Dr. John Croghan has 3 office locations.
Dr. John Croghan practices Internal Medicine, Geriatric Medicine, and Rheumatology near Wilmette, IL.
Additional practice locations include: Glenview, IL.
See Wilmette Internists, Wilmette Geriatric Doctors, and Wilmette Rheumatologists.