Doctor profile · Federal record

Dr. Corey Warner, M.D.

Internal Medicine Physician · Internal Medicine Physician · Hidden Valley Lake, CA

  • NPI 1801998968
  • MIPS 72.1 / 100 · 2023
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18990 Coyote Valley RD Ste 10
Hidden Valley Lake, CA 954678339
(707) 987-8344

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 25, 2013
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #C53422 · Illinois #036103245

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801998968. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$428
Transactions
22
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 4 $94.96
Boehringer Ingelheim Pharmaceuticals, INC. 4 $78.64
Abbvie INC. 4 $64.67
Novo Nordisk INC 2 $38.23
AstraZeneca Pharmaceuticals Lp 2 $35.89
Lilly USA, LLC 2 $34.21
Neurocrine Biosciences, INC. 1 $30.17
Pfizer INC. 2 $29.56
Exact Sciences Corporation 1 $21.77

By nature of payment

Food and Beverage
$428

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,346
Patients
1,250
Total drug cost
$356,623
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 867 175 $8,642
Levothyroxine Sodium Generic 736 147 $8,526
Pantoprazole Sodium Generic 437 95 $5,050
Amlodipine Besylate Generic 409 92 $2,311
Jardiance (Empagliflozin) Brand 350 63 $300,717
Olmesartan Medoxomil Generic 344 81 $7,776
Metformin Hcl Generic 326 68 $2,613
Meloxicam Generic 287 75 $1,997
Losartan Potassium Generic 282 68 $2,920
Trazodone Hcl Generic 255 54 $4,490

Frequently asked questions

Auto-generated from federal data
What is Dr. Corey Warner's medical specialty?
Dr. Corey Warner practices Internal Medicine Physician in Hidden Valley Lake, CA.
Where does Dr. Corey Warner practice?
Dr. Corey Warner practices at 18990 Coyote Valley RD Ste 10, Hidden Valley Lake, CA 954678339. Office phone: 7079878344.
What is Dr. Corey Warner's NPI?
Dr. Corey Warner's National Provider Identifier (NPI) is 1801998968, issued by NPPES.