Dr. Gary George Sladek , MD
Internal Medicine • Great Lakes, 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. Gary Sladek has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Gary Sladek, MD was a registered Internal Medicine practicing in Great Lakes, IL. Throughout an active medical career spanning 20 years, Dr. Sladek provided care at the practice location at 3001A 6TH ST until profile deactivation on 2025-02-06.
Practice Location & Contact Primary Location
3001a 6th St
Naval Hospital Great Lakes
Great Lakes, IL 600885230
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Great Lakes, IL
Practicing in Great Lakes, 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.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Specialist
Doctor of Medicine (M.D.)
Military Health Care Provider - Independent Duty Corpsman
Nurse Practitioner - Pediatrics
Pediatric Nurse Practitioner
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
Doctor of Pharmacy (Pharm.D.)
Pediatrics
Doctor of Osteopathic Medicine (D.O.)
Dentist - Oral and Maxillofacial Surgery
Doctor of Dental Surgery, Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on February 06, 2025
NPI status registered as active in NPPES database
Registered at 3001A 6TH ST, NAVAL HOSPITAL GREAT LAKES, GREAT LAKES, IL 600885230 (Tel: 8476884560)
Registered at 411 CLARIDGE CT, LAKE VILLA, IL 600465076 (Tel: 8473563471)
Recorded as GARY SLADEK, M.D.
Internal Medicine (License #036056585 in IL)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
411 Claridge Ct
Lake Villa, IL 600465076
Phone: 8473563471
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