Doctor profile · Federal record

Dr. Sandra Kwak, M.D.

Endocrinology, Diabetes & Metabolism Physician · Newport Beach, CA

  • NPI 1316011364
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
520 Superior Ave Ste 310
Newport Beach, CA 926633667
(949) 645-8800
fax (949) 645-8844
Mailing address
Po Box 28884
Belfast, ME 049152040

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
August 10, 2021
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A88895

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316011364. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,054
Transactions
19
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 18 $3,898.71
RECORDATI_RARE_DISEASES_INC. 1 $155.13

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$3,150
Food and Beverage
$604
Consulting Fee
$300

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
37
Total drug cost
$15,644
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 148 37 $15,555
Methimazole Generic 14 0 $89

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Kwak's medical specialty?
Dr. Sandra Kwak practices Endocrinology, Diabetes & Metabolism Physician in Newport Beach, CA.
Where does Dr. Sandra Kwak practice?
Dr. Sandra Kwak practices at 520 Superior Ave Ste 310, Newport Beach, CA 926633667. Office phone: 9496458800.
What is Dr. Sandra Kwak's NPI?
Dr. Sandra Kwak's National Provider Identifier (NPI) is 1316011364, issued by NPPES.