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

Dr. John Michael Williamson, DNP, FNP-C, ARM-BC

Individual provider Family Nurse Practitioner · NPI 1336326560

Dr. John Michael Williamson, DNP, FNP-C, ARM-BC is a Nurse Practitioner in Columbus, Mississippi. Qualified in 2014, 12 years ago. Practices with Golden Triangle Urgent Care LLC, a 15-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland and Mississippi.

Years since qualifying
12
Licensed in
MD, MS
In the registry since
2008
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

1503 Highway 45 N
Columbus, MS 39705-2113
Phone: (662) 328-9623
Fax: (662) 327-7477
Show map & directions

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

Additional practice locations (1)

  • 1154 Cross Creek Dr, Saltillo, MS 38866-5777 — (662) 840-8010

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R853568 (MS)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AC003026 (MD)

Record details

NPI number1336326560
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP , FNP-C , ARM-BC
Sole proprietorYes
NPI enumeratedJanuary 30, 2008
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Golden Triangle Urgent Care Llc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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