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Deactivated NPI 1992735872 Deactivated / Inactive NPI Male Practitioner

Dr. John Bruce Stoliar , MD

Emergency Medicine • O Fallon, 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. John Stoliar has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 04, 2006
NPI Deactivation Date May 08, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. John Stoliar, MD was a registered Emergency Medicine practicing in O Fallon, IL. Throughout an active medical career spanning 19 years, Dr. Stoliar provided care at the practice location at 103 N OAK ST until profile deactivation on 2025-05-08.

Practice Location & Contact Primary Location

Practice Address

103 N Oak St

O Fallon, IL 622691165

Telephone 6186243368
Fax 6186243387
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in O Fallon, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.5 Yrs
State Avg: 24.6 Yrs
Regional Practice Density
23 Specialists

Practicing in O Fallon, IL (3389 Statewide)

Telehealth Adoption Rate
0.0% 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

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Practice Associates & Co-Workers

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

27 Associated Practitioners
Dr. Arthur Sippo , MD

Emergency Medicine

NPI 1023042165

Doctor of Medicine (M.D.)

Maria Galanos

Emergency Medicine

NPI 1073609814
Dr. Jae Yang , MD

Emergency Medicine

NPI 1093814675

Doctor of Medicine (M.D.)

Derek Pechacek , FNP-C

Nurse Practitioner - Family

NPI 1114356607

Family Nurse Practitioner (Certified)

Dr. Hayden Smith , MD

Family Medicine

NPI 1184752776

Doctor of Medicine (M.D.)

Dr. Vicky Hwang , MD

Emergency Medicine

NPI 1205332194

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 May 08, 2025

Record deactivated on May 08, 2025

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 103 N OAK ST, O FALLON, IL 622691165 (Tel: 6186243368)

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Updated Business Mailing Address July 08, 2007

Registered at 103 N OAK ST, O FALLON, IL 622691165 (Tel: 6186243368)

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Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN STOLIAR, M.D.

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

Emergency Medicine

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Initial NPI Registration & Enumeration July 04, 2006

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: 1992735872
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 04, 2006
Last Update: July 08, 2007
Deactivation Date: May 08, 2025

Mailing Address

103 N Oak St

O Fallon, IL 622691165

Phone: 6186243368

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.