Doctor profile · Federal record

Dr. Karen Diez, FNP-C

Nurse Practitioner · Asheville, NC

  • NPI 1265999023
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4 Vanderbilt Park Dr Ste 100
Asheville, NC 288032476
(828) 258-0397
fax (828) 252-1969

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
December 18, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
North Carolina #5011534

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265999023. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$115
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $99.56
Amgen INC. 1 $15.33

By nature of payment

Food and Beverage
$115

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,144
Patients
915
Total drug cost
$39,613
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 397 123 $2,536
Atorvastatin Calcium Generic 361 107 $4,548
Levothyroxine Sodium Generic 317 98 $5,688
Lisinopril Generic 301 86 $2,532
Simvastatin Generic 218 68 $2,942
Pantoprazole Sodium Generic 192 58 $3,427
Lorazepam Generic 189 29 $2,044
Metformin Hcl Generic 174 57 $1,682
Gabapentin Generic 173 48 $3,785
Rosuvastatin Calcium Generic 162 57 $2,673

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Diez's medical specialty?
Dr. Karen Diez practices Nurse Practitioner in Asheville, NC.
Where does Dr. Karen Diez practice?
Dr. Karen Diez practices at 4 Vanderbilt Park Dr Ste 100, Asheville, NC 288032476. Office phone: 8282580397.
What is Dr. Karen Diez's NPI?
Dr. Karen Diez's National Provider Identifier (NPI) is 1265999023, issued by NPPES.
Does Dr. Karen Diez accept Medicare assignment?
Yes. Dr. Karen Diez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.