Doctor profile · Federal record

Dr. Benjamin Williamson, DNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Seneca, SC

  • NPI 1871047787
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12016 N Radio Station RD
Seneca, SC 296781143
(864) 882-6141
fax (864) 882-6680
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
August 2016 — 10 yrs on file
Profile last updated
February 21, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Carolina #20409
Medicaid
SC #NP4064

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871047787. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$620
Transactions
38
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 10 $149.02
Novo Nordisk INC 9 $134.37
GlaxoSmithKline, LLC. 5 $81.52
Pfizer INC. 4 $62.46
AstraZeneca Pharmaceuticals Lp 3 $60.89
Abbvie INC. 1 $24.94
Medline Industries Lp 1 $24.01
Otsuka America Pharmaceutical, INC. 1 $23.35
Xeris Pharmaceuticals, INC. 1 $16.40
Dexcom, INC. 1 $14.75
Exact Sciences Corporation 1 $14.35
Boehringer Ingelheim Pharmaceuticals, INC. 1 $13.93

By nature of payment

Food and Beverage
$620

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,047
Patients
799
Total drug cost
$8,554
Drug Type Claims Patients Total cost
Prednisone Generic 299 230 $1,557
Azithromycin Generic 123 119 $586
Doxycycline Monohydrate Generic 84 76 $1,079
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 83 78 $570
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 61 28 $1,646
Atorvastatin Calcium Generic 54 30 $496
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 52 48 $917
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 45 40 $205
Ibuprofen Generic 41 36 $156
Furosemide Generic 37 22 $129

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Williamson's medical specialty?
Dr. Benjamin Williamson practices Family Nurse Practitioner in Seneca, SC.
Where does Dr. Benjamin Williamson practice?
Dr. Benjamin Williamson practices at 12016 N Radio Station RD, Seneca, SC 296781143. Office phone: 8648826141.
What is Dr. Benjamin Williamson's NPI?
Dr. Benjamin Williamson's National Provider Identifier (NPI) is 1871047787, issued by NPPES.
Does Dr. Benjamin Williamson accept Medicare assignment?
Yes. Dr. Benjamin Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.