Doctor profile · Federal record

Dr. William Walkup, FNP-C

Family Nurse Practitioner · Chiropractor · Denison, TX

  • NPI 1700805595
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 N Armstrong Ave
Denison, TX 750202230
(903) 465-2440
fax (903) 465-2298

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 1, 2018
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Texas #AP128420 · Oklahoma #3289

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700805595. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $145.93

By nature of payment

Food and Beverage
$146

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
223
Patients
26
Total drug cost
$13,072
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 29 12 $425
Lisinopril Generic 24 14 $255
Metformin Hcl Generic 20 0 $256
Levothyroxine Sodium Generic 17 0 $265
Losartan Potassium Generic 17 0 $130
Hydrochlorothiazide Generic 16 0 $60
Amlodipine Besylate Generic 15 0 $94
Montelukast Sodium Generic 14 0 $126
Fluticasone Propionate Generic 12 0 $246
Omeprazole Generic 12 0 $95

Frequently asked questions

Auto-generated from federal data
What is Dr. William Walkup's medical specialty?
Dr. William Walkup practices Family Nurse Practitioner in Denison, TX.
Where does Dr. William Walkup practice?
Dr. William Walkup practices at 900 N Armstrong Ave, Denison, TX 750202230. Office phone: 9034652440.
What is Dr. William Walkup's NPI?
Dr. William Walkup's National Provider Identifier (NPI) is 1700805595, issued by NPPES.