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Deactivated NPI 1306847322 Deactivated / Inactive NPI Male Practitioner

Dr. Stephen S. Sittler , MD

Specialist • Oak Lawn, 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. Stephen Sittler has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date August 02, 2005
NPI Deactivation Date June 22, 2021
Total Practice Duration ~16 Years of Practice (2005 – 2021)

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Sittler, MD was a registered Specialist practicing in Oak Lawn, IL. Throughout an active medical career spanning 16 years, Dr. Sittler provided care at the practice location at 9921 SOUTHWEST HWY until profile deactivation on 2021-06-22.

Practice Location & Contact Primary Location

Practice Address

9921 Southwest Hwy

Oak Lawn, IL 604533767

Telephone 7084995678
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Oak Lawn, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 35.8 Yrs
State Avg: 38.5 Yrs
Regional Practice Density
13 Specialists

Practicing in Oak Lawn, IL (1322 Statewide)

Telehealth Adoption Rate
15.4% 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

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

10 Associated Practitioners
NPI 1144229949

Doctor of Medicine (M.D.)

Dr. Jeffrey Port , MD

Internal Medicine - Gastroenterology

NPI 1285635987

Doctor of Medicine (M.D.)

Anna Pfeiffer , PA-C

Physician Assistant

NPI 1295614683

Physician Assistant (Certified)

Amy Liss , PA-C

Physician Assistant

NPI 1407360308

Physician Assistant (Certified)

Brittany Segrest

Nurse Practitioner - Acute Care

NPI 1417718370
NPI 1417932955

Doctor of Medicine (M.D.)

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 June 22, 2021

Record deactivated on June 22, 2021

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 9921 SOUTHWEST HWY, OAK LAWN, IL 604533767 (Tel: 7084995678)

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Updated Business Mailing Address July 08, 2007

Registered at 5737 S KENWOOD AVE, CHICAGO, IL 606371718

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Provider Name / Credentials Updated July 08, 2007

Recorded as STEPHEN SITTLER, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist

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Initial NPI Registration & Enumeration August 02, 2005

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: 1306847322
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 02, 2005
Last Update: July 08, 2007
Deactivation Date: June 22, 2021

Mailing Address

5737 S Kenwood Ave

Chicago, IL 606371718

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.