Physician Profile
Christie Williamson, MD practices neurology in Lancaster, SC. Christie is a 1994 graduate of University of South Carolina School of Medicine. According to Medicare claims data, Christie cared for 141 Medicare patients across 417 services. The services billed most often include injection of drug or substance under skin or into muscle, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1906 HIGHWAY 521 BYPASS S.
Lancaster, SC 29730
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
Infusion and medical therapies
Infusions & Therapies
Injections & Pain Relief
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
417 services · 141 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
259 | More than most peers in Neurology |
| Psychotherapy, 30 minutes | Treatment | 90832 |
24 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
91 | As often as other peers in Neurology |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
43 | As often as other peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Williamson is a neurologist in Lancaster, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Dr. Williamson is listed at 1906 Highway 521 Bypass S., Lancaster, SC 29730. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (803) 328-9600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Williamson's National Provider Identifier is 1912926544. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Williamson attended University of South Carolina School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Dr. Williamson has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Williamson provides treatments such as injection of drug or substance under skin or into muscle and psychotherapy, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williamson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.