MedicalOnline Directory

Find a doctor Find a hospital or clinic Compare providers Search by map Browse specialties Cardiology

Cardiologists Dermatologists Orthopedic surgeons Pediatricians Oncologists Psychiatrists Chiropractors View all specialties →

List your practice Claim a listing Plans & pricing Ads & boosts

Blog FAQ Pricing API docs

About us Contact Terms of service Privacy policy

SavedLog In Add Your Listing

Home · Internal Medicine · Chicago, IL

Internal Medicine in Chicago, IL

1 verified internal medicine specialist is accepting patients in Chicago, IL.

License verified

Dr. James Jack Allen

DO

Chicago, IL

MedicalOnline Directory

Connecting patients with trusted medical professionals and quality healthcare across every major care category.

For Patients

Find a Provider
Browse by Category
Compare Providers
Browse by Location
Browse by City
Conditions A–Z
Facility Types
Find by Insurance
Health Articles
FAQ

For Providers

Add Your Listing
Claim Your Profile
Pricing Plans
Add a Doctor
Add a Facility
Developer API
Provider Sign In

Popular Specialties

Cardiologists
Dermatologists
Orthopedic Surgeons
Pediatricians
Oncologists
Psychiatrists
Chiropractors
View all →

Company

About Us
Contact Us
How It Works
Affiliate Program
Resources
How Rankings Work

Stay Connected

Subscribe for health tips, provider updates, and location-based discovery highlights.

© 2026 Medical Online Directory. Informational directory only — not medical advice.

Terms of Use Privacy Policy FAQ