Doctor profile · Federal record

Dr. Maria Diaz, FNP-C

Family Nurse Practitioner · Registered Nurse · Dallas, TX

  • NPI 1700386612
  • 8 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5184 Tex Oak Ave
Dallas, TX 752357822
(469) 407-4173

Credentials & registration

NPPES · NUCC
NPI registered
February 2018 — 8 yrs on file
Profile last updated
February 25, 2023
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Texas #1111402 · Texas #939237

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700386612. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$557
Transactions
24
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 21 $484.02
Sumitomo Pharma America, INC. 2 $42.24
Stryker Corporation 1 $30.61

By nature of payment

Food and Beverage
$557

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
206
Patients
72
Total drug cost
$4,482
Drug Type Claims Patients Total cost
Gabapentin Generic 81 40 $1,336
Donepezil Hcl Generic 54 32 $774
Levetiracetam Generic 17 0 $842
Cyclobenzaprine Hcl Generic 14 0 $55
Topiramate Generic 14 0 $637
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 13 0 $495
Memantine Hcl Generic 13 0 $343

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Diaz's medical specialty?
Dr. Maria Diaz practices Family Nurse Practitioner in Dallas, TX.
Where does Dr. Maria Diaz practice?
Dr. Maria Diaz practices at 5184 Tex Oak Ave, Dallas, TX 752357822. Office phone: 4694074173.
What is Dr. Maria Diaz's NPI?
Dr. Maria Diaz's National Provider Identifier (NPI) is 1700386612, issued by NPPES.