Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Clark Henegan Jr., MD

Individual provider Hematology & Oncology Physician · NPI 1114188471

John Clark Henegan Jr., MD is a Hematology/Oncology in Jackson, Mississippi. Graduated from University of Mississippi School of Medicine in 2008, 18 years ago. Practices with State of Mississippi - University of Mississippi Medical Center, a 952-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Mississippi.

Years since qualifying
18
Trained at
University of Mississippi School of Medicine
Licensed in
MS
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2500 N State St
Jackson, MS 39216-4500
Phone: (601) 984-5616
Fax: (601) 984-5689
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 22684 (MS)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1114188471
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 19, 2008
Last updated in NPPESAugust 23, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice State Of Mississippi - University Of Mississippi Medical Center — 952 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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