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Deactivated NPI 1811277932 Deactivated / Inactive NPI Male Practitioner

Dr. Michael Steven Katamay , MD

Internal Medicine • Lombard, IL

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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.

Registration / Start Date August 20, 2011
NPI Deactivation Date September 11, 2025
Total Practice Duration ~14 Years of Practice (2011 – 2025)

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

Practice Address

19w706 13th Pl

Lombard, IL 601484505

Telephone 6309950648
Associated Practice Facility / Clinic
🏢 Advanced Growth, Inc Facility NPI 1295107753

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lombard, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 30.1 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
40 Specialists

Practicing in Lombard, IL (7544 Statewide)

Telehealth Adoption Rate
47.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-098703

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

7 Historical Events
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NPI Profile Deactivated September 11, 2025

Record deactivated on September 11, 2025

NPI Profile Active August 20, 2011

NPI status registered as active in NPPES database

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Updated Practice Location August 20, 2011

Registered at 19W706 13TH PL, LOMBARD, IL 601484505 (Tel: 6309950648)

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Updated Business Mailing Address August 20, 2011

Registered at 19W706 13TH PL, LOMBARD, IL 601484505 (Tel: 6309950648)

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Provider Name / Credentials Updated August 20, 2011

Recorded as MICHAEL KATAMAY, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) August 20, 2011

Internal Medicine (License #036-098703 in IL)

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Initial NPI Registration & Enumeration August 20, 2011

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

NPI Number: 1811277932
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 20, 2011
Last Update: August 20, 2011
Deactivation Date: September 11, 2025

Mailing Address

19w706 13th Pl

Lombard, IL 601484505

Phone: 6309950648

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.