Dr. Michael Steven Katamay , MD
Internal Medicine • Lombard, IL
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Michael Katamay has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Michael Katamay, MD was a registered Internal Medicine practicing in Lombard, IL. Throughout an active medical career spanning 14 years, Dr. Katamay provided care at the practice location at 19W706 13TH PL until profile deactivation on 2025-09-11.
Practice Location & Contact Primary Location
19w706 13th Pl
Lombard, IL 601484505
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Lombard, IL
Practicing in Lombard, IL (7544 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
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.
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on September 11, 2025
NPI status registered as active in NPPES database
Registered at 19W706 13TH PL, LOMBARD, IL 601484505 (Tel: 6309950648)
Registered at 19W706 13TH PL, LOMBARD, IL 601484505 (Tel: 6309950648)
Recorded as MICHAEL KATAMAY, M.D.
Internal Medicine (License #036-098703 in IL)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
19w706 13th Pl
Lombard, IL 601484505
Phone: 6309950648
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