Dr. John William Mack , DO
Emergency Medicine • Lansing, MI
Professional Overview & Biography Verified Profile Summary
Dr. John Mack, DO is a registered healthcare professional specializing in Emergency Medicine in Lansing, MI. Practice services are available at 2900 COLLINS RD under active NPI credentials.
Practice Location & Contact Primary Location
2900 Collins Rd
Lansing, MI 489108394
Specialty Benchmarks & Practice Insights
Comparative analytics for Emergency Medicine in Lansing, MI
Practicing in Lansing, MI (3151 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2025-11-24NUCC 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
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 2900 COLLINS RD, LANSING, MI 489108394 (Tel: 5179756000)
Registered at 2900 COLLINS RD, LANSING, MI 489108394 (Tel: 5179756000)
Recorded as JOHN MACK, DO
Emergency Medicine (License #5151017724 in MI)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
2900 Collins Rd
Lansing, MI 489108394
Phone: 5179756000
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.