Doctor profile · Federal record

Dr. Karen Shin, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Los Altos, CA

  • NPI 1598858623
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
370 Distel Cir
Los Altos, CA 940221404
(650) 254-5200
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 3, 2022
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A75669

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598858623. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$250
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
MAYNE PHARMA COMMERCIAL LLC 2 $249.66

By nature of payment

Food and Beverage
$250

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
27
Patients
0
Total drug cost
$2,139
Drug Type Claims Patients Total cost
Estradiol (Once Weekly) (Estradiol) Brand 15 0 $1,310
Estradiol Generic 12 0 $829

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Shin's medical specialty?
Dr. Karen Shin practices Obstetrics & Gynecology Physician in Los Altos, CA.
Where does Dr. Karen Shin practice?
Dr. Karen Shin practices at 370 Distel Cir, Los Altos, CA 940221404. Office phone: 6502545200.
What is Dr. Karen Shin's NPI?
Dr. Karen Shin's National Provider Identifier (NPI) is 1598858623, issued by NPPES.
Does Dr. Karen Shin accept Medicare assignment?
Yes. Dr. Karen Shin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.