Doctor profile · Federal record

Dr. Da Ouyang, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Student in an Organized Health Care Education/Training Program · Santa Clara, CA

  • NPI 1235549460
  • Accepts Medicare
  • MIPS 78.8 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
700 Lawrence Expy
Santa Clara, CA 950515173
(408) 851-1000
Additional location
300 Pasteur Drive, Lane 154
Stanford, CA 943055133
(650) 723-6661
fax (650) 498-6205
Additional location
8700 Beverly Blvd
West Hollywood, CA 900481804
(310) 423-2726
fax (310) 423-6795

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
January 2, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #A138463

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235549460. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
805
Distinct HCPCS
5
Medicare allowed
$75,518
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 276 276 $73
99291 Critical care, first 30-74 minutes 228 82 $226
93308 Ultrasound of heart, follow-up 104 97 $27
93321 Ultrasound of heart blood flow, valves and chambers, follow-up 99 95 $8
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 98 94 $3

In context: peer comparison

Among 5 peers in this city , average services per provider: 103. This provider delivers 7.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$121
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $121.20

By nature of payment

Food and Beverage
$121

Frequently asked questions

Auto-generated from federal data
What is Dr. Da Ouyang's medical specialty?
Dr. Da Ouyang practices Cardiovascular Disease Physician in Santa Clara, CA.
Where does Dr. Da Ouyang practice?
Dr. Da Ouyang practices at 700 Lawrence Expy, Santa Clara, CA 950515173. Office phone: 4088511000.
What is Dr. Da Ouyang's NPI?
Dr. Da Ouyang's National Provider Identifier (NPI) is 1235549460, issued by NPPES.
Does Dr. Da Ouyang accept Medicare assignment?
Yes. Dr. Da Ouyang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Da Ouyang commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Critical care (HCPCS 99291); Ultrasound of heart, follow-up (HCPCS 93308). Source: CMS Medicare Physician & Other Practitioners file.