Doctor profile · Federal record

Dr. Grant Herrington, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Grand Prairie, TX

  • NPI 1033739149
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4560 Lake Ridge Pkwy Ste 300
Grand Prairie, TX 750521706
(214) 556-1446
fax (214) 556-4984

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
June 11, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Texas #U2222

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033739149. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 1 $118.17

By nature of payment

Food and Beverage
$118

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$421
Drug Type Claims Patients Total cost
Gabapentin Generic 20 0 $176
Metformin Hcl ER (Metformin Hcl) Brand 16 0 $77
Amlodipine Besylate Generic 11 0 $49
Losartan Potassium Generic 11 0 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Herrington's medical specialty?
Dr. Grant Herrington practices Endocrinology, Diabetes & Metabolism Physician in Grand Prairie, TX.
Where does Dr. Grant Herrington practice?
Dr. Grant Herrington practices at 4560 Lake Ridge Pkwy Ste 300, Grand Prairie, TX 750521706. Office phone: 2145561446.
What is Dr. Grant Herrington's NPI?
Dr. Grant Herrington's National Provider Identifier (NPI) is 1033739149, issued by NPPES.
Does Dr. Grant Herrington accept Medicare assignment?
Yes. Dr. Grant Herrington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.