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

Individual provider Psychiatry Physician · NPI 1669420733

Martin Keith Williams, MD is a Psychiatry in Smithfield, North Carolina. Graduated from Brody School of Medicine at East Carolina University in 1989, 37 years ago. Practices with Johnston County, a 19-clinician group and offers telehealth. Licensed in North Carolina.

Years since qualifying
37
Trained at
Brody School of Medicine at East Carolina University
Licensed in
NC
In the registry since
2006
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

521 N Brightleaf Blvd
Smithfield, NC 27577-4407
Phone: (252) 399-2112
Fax: (252) 399-2132
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 39715 (NC)

Record details

NPI number1669420733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025
Mailing address521 N Brightleaf Blvd, Smithfield, NC 27577-4407

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolBRODY SCHOOL OF MEDICINE AT EAST CAROLINA UNIVERSITY
Graduated 1989 (37 years in practice)
Group practice Johnston County — 19 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

Other providers in Smithfield