James Ahn
Internal Medicine • Chicago, IL
Professional Overview & Biography Verified Profile Summary
James Ahn is a registered healthcare professional specializing in Internal Medicine in Chicago, IL. Practice services are available at 5841 S MARYLAND AVE under active NPI credentials.
Frequently performed procedures and clinical services include emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
5841 S Maryland Ave
Chicago, IL 606371443
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Chicago, IL
Practicing in Chicago, IL (7544 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99285
Emergency department visit for life threatening or functioning severity
|
92 | 89 | $739.87 | $197.44 |
|
99284
Emergency department visit with moderate level of medical decision making
|
15 | 15 | $499.00 | $135.72 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine
Neurological Surgery
Pathology - Hematology
Internal Medicine - Pulmonary Disease
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Psychiatry & Neurology - Neurology
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 5841 S MARYLAND AVE, CHICAGO, IL 606371443 (Tel: 8888240200)
Registered at 150 HARVESTER DR, SUITE 300, BURR RIDGE, IL 605275919
Recorded as JAMES AHN
Internal Medicine (License #036125480 in IL)
NPI status registered as active in NPPES database
Registered at 1529 S STATE ST APT 18-B, CHICAGO, IL 606053107 (Tel: 3127535396)
Registered at 1529 S STATE ST APT 18-B, CHICAGO, IL 606053107
Recorded as JAMES AHN, M.D.
Emergency Medicine (License #125052540 in IL)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
150 Harvester Dr, Suite 300
Burr Ridge, IL 605275919
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