Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1376742247 Deactivated / Inactive NPI Male Practitioner

John Marcus Callegari , PA-C

Physician Assistant • Lansing, MI

⚠️

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, John Callegari has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 12, 2007
NPI Deactivation Date December 16, 2022
Total Practice Duration ~15 Years of Practice (2007 – 2022)

Professional Overview & Biography Verified Profile Summary

John Callegari, PA-C was a registered Physician Assistant practicing in Lansing, MI. Throughout an active medical career spanning 15 years, John Callegari provided care at the practice location at 2025 S WASHINGTON AVE until profile deactivation on 2022-12-16.

Practice Location & Contact Primary Location

Practice Address

2025 S Washington Ave

Lansing, MI 489100828

Telephone 5172673925
Fax 5172673593
Associated Practice Facility / Clinic
🏢 Evergreen Diagnostics Facility NPI 1649503855

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Lansing, MI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.6 Yrs
State Avg: 12.2 Yrs
Regional Practice Density
156 Specialists

Practicing in Lansing, MI (7057 Statewide)

Telehealth Adoption Rate
14.1% 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

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
Carol Hill , APN

Nurse Practitioner - Adult Health

NPI 1124108667

Advanced Practice Nurse

Dr. Peter Cotey , DO

Family Medicine

NPI 1174708622

Doctor of Osteopathic Medicine (D.O.)

Abigail Desmyter , PA-C

Physician Assistant

NPI 1205455185

Physician Assistant (Certified)

Jean Karslake Quenby , LMSW

Social Worker - Clinical

NPI 1326215229

Licensed Master Social Worker

Dr. Nancy Hanna , MD

Psychiatry & Neurology - Psychiatry

NPI 1417917741

Doctor of Medicine (M.D.)

Tiyanna Payne , LMSW

Social Worker - Clinical

NPI 1457641490

Licensed Master Social Worker

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
⚠️
NPI Profile Deactivated December 16, 2022

Record deactivated on December 16, 2022

NPI Profile Active April 12, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location April 12, 2013

Registered at 2025 S WASHINGTON AVE, LANSING, MI 489100828 (Tel: 5172673925)

📍
Updated Business Mailing Address April 12, 2013

Registered at 2025 S WASHINGTON AVE, LANSING, MI 489100828 (Tel: 5172673925)

👤
Provider Name / Credentials Updated April 12, 2013

Recorded as JOHN CALLEGARI, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 12, 2013

Physician Assistant

🟢
Initial NPI Registration & Enumeration July 12, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for John Callegari. Be the first to share your experience!

Sign in to leave a review for John Callegari

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1376742247
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 12, 2007
Last Update: April 12, 2013
Deactivation Date: December 16, 2022

Mailing Address

2025 S Washington Ave

Lansing, MI 489100828

Phone: 5172673925

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.