Doctor profile · Federal record

Dr. Crystal Williams

Family Nurse Practitioner (CMS: Nurse Practitioner) · Student in an Organized Health Care Education/Training Program · Swansea, SC

  • NPI 1801480645
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
935 W 2Nd St
Swansea, SC 291608665
(803) 568-2000
fax (803) 568-5113
Additional location
1601 Greene St
Columbia, SC 292080084
(803) 308-1979
Mailing address
Po Box 6069
West Columbia, SC 291716069

Credentials & registration

NPPES · NUCC
NPI registered
February 2021 — 5 yrs on file
Profile last updated
April 19, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Carolina #25296

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801480645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
346
Distinct HCPCS
4
Medicare allowed
$2,743
HCPCS Description Services Patients Avg allowed
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 136 99 $6
80053 Blood test, comprehensive group of blood chemicals 124 92 $10
83036 Hemoglobin a1c level 56 40 $9
81001 Manual urinalysis test with examination using microscope, automated 30 26 $3

In context: peer comparison

Among 5 peers in Swansea Family Nurse Practitioner, average services per provider: 43. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$286
Transactions
14
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 1 $46.15
Novo Nordisk INC 2 $44.18
Abbvie INC. 2 $38.91
Lilly USA, LLC 2 $38.11
Merck Sharp & Dohme LLC 2 $35.55
Exact Sciences Corporation 2 $33.51
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $18.64
Daiichi Sankyo INC. 1 $16.86
Boehringer Ingelheim Pharmaceuticals, INC. 1 $13.95

By nature of payment

Food and Beverage
$286

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,353
Patients
967
Total drug cost
$42,367
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 446 125 $3,084
Levothyroxine Sodium Generic 374 88 $4,808
Atorvastatin Calcium Generic 370 113 $4,705
Lisinopril Generic 214 68 $1,591
Omeprazole Generic 208 67 $2,924
Rosuvastatin Calcium Generic 206 65 $4,335
Alprazolam Generic 205 35 $1,325
Metformin Hcl Generic 199 63 $1,770
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 196 61 $6,564
Pantoprazole Sodium Generic 194 57 $3,385

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Crystal Williams's medical specialty?
Dr. Crystal Williams practices Family Nurse Practitioner in Swansea, SC.
Where does Dr. Crystal Williams practice?
Dr. Crystal Williams practices at 935 W 2Nd St, Swansea, SC 291608665. Office phone: 8035682000.
What is Dr. Crystal Williams's NPI?
Dr. Crystal Williams's National Provider Identifier (NPI) is 1801480645, issued by NPPES.
Does Dr. Crystal Williams accept Medicare assignment?
Yes. Dr. Crystal Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Crystal Williams commonly perform?
Top Medicare-reported procedures in 2023: Complete blood cell count (red cells, white blood cell, platelets), automated test (HCPCS 85027); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.