Doctor profile · Federal record

Dr. Lauretta Karolczak, FNP-BC

Family Nurse Practitioner · Hesperia, CA

  • NPI 1093582348
  • 3 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15398 Main St
Hesperia, CA 923453390
(760) 947-8231
Mailing address
5050 Cygnet RD
Phelan, CA 923718520

Credentials & registration

NPPES · NUCC
NPI registered
December 2023 — 3 yrs on file
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95022174

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093582348. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$154
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 2 $62.08
Corcept Therapeutics 1 $26.03
Bayer Healthcare Pharmaceuticals INC. 1 $23.14
Amgen INC. 1 $21.30
Lilly USA, LLC 1 $21.20

By nature of payment

Food and Beverage
$154

Frequently asked questions

Auto-generated from federal data
What is Dr. Lauretta Karolczak's medical specialty?
Dr. Lauretta Karolczak practices Family Nurse Practitioner in Hesperia, CA.
Where does Dr. Lauretta Karolczak practice?
Dr. Lauretta Karolczak practices at 15398 Main St, Hesperia, CA 923453390. Office phone: 7609478231.
What is Dr. Lauretta Karolczak's NPI?
Dr. Lauretta Karolczak's National Provider Identifier (NPI) is 1093582348, issued by NPPES.