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:
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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. John Croghan is Good.
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Specialties & Research
Dr. John Croghan, MD is board certified in Internal Medicine, Geriatric Medicine, and Rheumatology.
He has special expertise in 2 Areas, including Rheumatic Diseases and Rheumatology.
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Education & Awards
Dr. Croghan graduated from Rush Medical College, Chicago.More Education & Awards
Dr. Croghan has 9 hospital affiliations:
- Evanston Hospital
- Skokie Hospital
Accepted Insurance Plans
Dr. Croghan accepts these health insurances in at least one office:
- Blue Cross Blue Shield of Illinois - 1 plan
- Cigna - 3 plans
- Humana - 15 plans
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Similar doctors nearby
- Additional Information
- Where does Dr. John E. Croghan practice?
Dr. John Croghan practices Internal Medicine, Rheumatology, and Geriatric Medicine near Wilmette, IL.
Additional practice locations include: Glenview, IL.
See Wilmette Internists, Wilmette Rheumatologists, and Wilmette Geriatric Doctors.