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Deactivated NPI 1801856760 Deactivated / Inactive NPI Male Practitioner

Michael S Gruszka , PA-C

Physician Assistant • Chicago, 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, Michael Gruszka has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date March 24, 2006
NPI Deactivation Date February 10, 2022
Total Practice Duration ~16 Years of Practice (2006 – 2022)

Professional Overview & Biography Verified Profile Summary

Michael Gruszka, PA-C was a registered Physician Assistant practicing in Chicago, IL. Throughout an active medical career spanning 16 years, Michael Gruszka provided care at the practice location at 4501 N WINCHESTER AVE until profile deactivation on 2022-02-10.

Practice Location & Contact Primary Location

Practice Address

4501 N Winchester Ave
2nd Fl

Chicago, IL 60640

Telephone 7732500500
Fax 7732500497
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 7.8 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
1451 Specialists

Practicing in Chicago, IL (4958 Statewide)

Telehealth Adoption Rate
17.3% 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

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085000179

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Practice Associates & Co-Workers

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

11 Associated Practitioners
Diane Yates , PA-C

Physician Assistant

NPI 1033185095

Physician Assistant (Certified)

Dr. Gail Rosseau , MD

Neurological Surgery

NPI 1043285026

Doctor of Medicine (M.D.)

Violetta Mickiewicz , PA-C

Physician Assistant - Surgical

NPI 1053427831

Physician Assistant (Certified)

Shari Zimelman , PT

Physical Therapist

NPI 1073576450

Physical Therapist

Mary Taylor , APN

Nurse Practitioner - Adult Health

NPI 1336472836

Advanced Practice Nurse

Dr. Edward Mkrdichian , MD

Neurological Surgery

NPI 1477521607

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 February 10, 2022

Record deactivated on February 10, 2022

NPI Profile Active September 11, 2009

NPI status registered as active in NPPES database

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Updated Practice Location September 11, 2009

Registered at 4501 N WINCHESTER AVE, 2ND FL, CHICAGO, IL 60640 (Tel: 7732500500)

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Updated Business Mailing Address September 11, 2009

Registered at 4501 N WINCHESTER AVE, 3RD FL, CHICAGO, IL 60640 (Tel: 7732500500)

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Provider Name / Credentials Updated September 11, 2009

Recorded as MICHAEL GRUSZKA, PA C

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Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2009

Physician Assistant (License #085000179 in IL)

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Initial NPI Registration & Enumeration March 24, 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: 1801856760
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 24, 2006
Last Update: September 11, 2009
Deactivation Date: February 10, 2022

Mailing Address

4501 N Winchester Ave, 3rd Fl

Chicago, IL 60640

Phone: 7732500500

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.