John Grayhack, MD
Orthopedic Surgery
21+ years in practiceNPI: 1043205966Licensed in IL
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Credentials & Recognition
Specialties
Orthopedic Surgery
NPI sub-specialties
Orthopaedic Surgery207X00000X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
21+ years
Estimated from NPI enumeration date
Frequently Asked Questions about Dr. John Grayhack, MD
Where does Dr. John Grayhack, MD practice?+
Dr. John Grayhack, MD practices in Illinois, IL. 225 E CHICAGO AVE # 69
LURIE CHILDREN'S HOSPITAL OF CHICAGO
CHICAGO, IL 606112991.
What is Dr. John Grayhack, MD's phone number?+
Dr. John Grayhack, MD's practice phone is 312-227-6190. Office contact information is verified on the PBCMMG profile.
What does Dr. John Grayhack, MD specialize in?+
Dr. John Grayhack, MD's primary specialty is Orthopedic Surgery.
Is Dr. John Grayhack, MD board certified?+
Board certification status for Dr. John Grayhack, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. John Grayhack, MD been practicing?+
Dr. John Grayhack, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. John Grayhack, MD's NPI number?+
Dr. John Grayhack, MD's National Provider Identifier (NPI) is 1043205966, registered in the federal NPPES registry.
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
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