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

John Clayton Nelson, MD

Individual provider Family Medicine Physician · NPI 1366470056

John Clayton Nelson, MD is a Family Practice in Petal, Mississippi. Graduated from University of Mississippi School of Medicine in 1977, 49 years ago. Practices with Southeastern Emergency Physicians LLC, a 786-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
49
Trained at
University of Mississippi School of Medicine
Licensed in
MS
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1146 Evelyn Gandy Pkwy
Petal, MS 39465-3947
Phone: (601) 584-4309
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6051 Highway 49, Hattiesburg, MS 39401-7200 — (601) 288-7000

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 08024 (MS)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 08024 (MS)

Record details

NPI number1366470056
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESJuly 27, 2022
Certification dateJuly 27, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Southeastern Emergency Physicians Llc — 786 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Petal