Doctor profile · Federal record

Dr. Winny Ou, MD

Family Medicine Physician · South Easton, MA

  • NPI 1023003274
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21 Bristol Dr
South Easton, MA 023751100
(508) 565-7300
fax (508) 565-7335

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
August 7, 2018
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #48641
Medicaid
MA #0190713

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023003274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,261
Distinct HCPCS
10
Medicare allowed
$210,621
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 599 248 $130
36415 Insertion of needle into vein for collection of blood sample 304 192 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 268 173 $183
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 232 88 $64
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 211 199 $15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 202 202 $132
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 157 139 $8
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 134 66 $48
80053 Blood test, comprehensive group of blood chemicals 132 119 $10
80061 Blood test, lipids (cholesterol and triglycerides) 111 108 $13

In context: peer comparison

Among 3 peers in this city , average services per provider: 88. This provider delivers 37× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$193
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 5 $87.80
ABBVIE INC. 1 $31.42
Exact Sciences Corporation 1 $21.85
AstraZeneca Pharmaceuticals LP 1 $19.17
PFIZER INC. 1 $17.62
Lilly USA, LLC 1 $15.43

By nature of payment

Food and Beverage
$193

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,852
Patients
840
Total drug cost
$50,871
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 515 155 $13,165
Lisinopril Generic 388 108 $5,287
Omeprazole Generic 281 94 $8,499
Levothyroxine Sodium Generic 264 58 $3,193
Amlodipine Besylate Generic 184 53 $1,372
Simvastatin Generic 178 51 $2,517
Lorazepam Generic 146 40 $791
Metoprolol Succinate Generic 125 40 $3,201
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 124 38 $4,871
Hydrochlorothiazide Generic 124 35 $678

Frequently asked questions

Auto-generated from federal data
What is Dr. Winny Ou's medical specialty?
Dr. Winny Ou practices Family Medicine Physician in South Easton, MA.
Where does Dr. Winny Ou practice?
Dr. Winny Ou practices at 21 Bristol Dr, South Easton, MA 023751100. Office phone: 5085657300.
What is Dr. Winny Ou's NPI?
Dr. Winny Ou's National Provider Identifier (NPI) is 1023003274, issued by NPPES.
What procedures does Dr. Winny Ou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.