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

Katelin Jean Williamson, DO

Individual provider Psychiatry Physician · NPI 1477967859

Katelin Jean Williamson, DO is a Psychiatry in Columbia, South Carolina. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014, 12 years ago. Practices with South Carolina Dept of Mental Health Accounting Office, a 231-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in South Carolina.

Years since qualifying
12
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
SC
In the registry since
2014
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

720 Gracern Rd Ste 120
Columbia, SC 29210-7657
Phone: (803) 296-2585
Fax: (803) 551-2585
Show map & directions

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

Additional practice locations (1)

  • 3555 Harden Street Ext Ste 141, Columbia, SC 29203-6894 — (803) 434-4300

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 36709 (SC)

Record details

NPI number1477967859
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 13, 2014
Last updated in NPPESApril 23, 2021
Certification dateApril 23, 2021

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2014 (12 years in practice)
Group practice South Carolina Dept Of Mental Health Accounting Office — 231 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Columbia