1. Home
  2. Directory
  3. South Carolina
  4. Columbia
  5. Psychiatry Neurology
  6. NPI Profile

KATELIN JEAN WILLIAMSON D.O.
NPI 1477967859
Psychiatry & Neurology - Psychiatry in Columbia, SC

Active since June 13, 2014PECOS EnrolledAccepts Medicare Assignment
720 GRACERN RD STE 120, COLUMBIA, SC 29210(803) 296-2585(803) 551-2585 Get Directions Write a Review

NPPES record last updated: April 23, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 23, 2021, Jul 29, 2020 (2 updates tracked since 2020).

About Katelin Jean Williamson D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATELIN JEAN WILLIAMSON D.O. (NPI 1477967859) is an individual psychiatry provider in Columbia, South Carolina, licensed in South Carolina (36709) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Columbia, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2014).

NPPES Registry Identity

NPI1477967859
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameKATELIN JEAN WILLIAMSONCredential: D.O.
Location Address720 GRACERN RD STE 120Columbia, SC 29210-7657
Mailing AddressPo Box 743904Atlanta, GA 30374-3904 · (803) 296-7330
Phone(803) 296-2585
Fax(803) 551-2585
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2014
Enumeration DateJune 13, 2014
Last NPPES UpdateApril 23, 20212 updates tracked since enumeration
NPPES CertifiedApril 23, 2021
✔ NPI 1477967859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in SC · 36709
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
720 GRACERN RD STE 120, Columbia, SC 29210
Open in Google Maps ↗

Secondary Practice Location 1

Location 13555 Harden Street Ext Ste 141Columbia, SC 29203-6894 · Phone (803) 434-4300 · Fax (803) 434-8326

Other Identifiers 1

Medicaid367098SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katelin Jean Williamson D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850627530
PECOS Enrollment IDI20190802000287
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$163.84 typical visit price
range $53.57 – $163.84
Typical copayment $40.96 (range $13.39 – $40.96)
Most-billed visit code 99205
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMBER NICKERSON LISW-CP, LCSW
Social Worker (Clinical)
720 GRACERN RD STE 120
COLUMBIA, SC 29210
Richland County (803) 296-2191
DR. MARGARET RUYLE RUKSTALIS MD
Psychiatry & Neurology (Psychiatry)
720 GRACERN RD STE 120
COLUMBIA, SC 29210
Richland County (803) 296-8765
BRITTANY RAY PETERS MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
720 GRACERN RD STE 120
COLUMBIA, SC 29210
Richland County (803) 296-2585
JACLYN SLIGAR MD
Psychiatry & Neurology (Psychiatry)
720 GRACERN RD STE 120
COLUMBIA, SC 29210
Richland County (803) 296-8765

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katelin Williamson's NPI number?

The NPI number for Katelin Williamson is 1477967859. It was assigned to this individual provider in the NPPES registry on June 13, 2014.

Where is Katelin Williamson located?

Katelin Williamson practices at 720 Gracern Rd Ste 120, Columbia, SC 29210. The listed phone number is (803) 296-2585.

What is Katelin Williamson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Katelin Williamson enrolled in Medicare?

Yes. Katelin Williamson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katelin Williamson accept?

Health plans from Providence Health Plan list Katelin Williamson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katelin Williamson was last updated on April 23, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.