Doctor profile · Federal record

Dr. Hui-Wen Dai, D.O.

Family Medicine Physician (CMS: Family Practice) · Fallbrook, CA

  • NPI 1609053701
  • Accepts Medicare
  • MIPS 77.3 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1035 S Main Ave
Fallbrook, CA 920283338
(760) 291-6700
fax (760) 728-9732
Mailing address
225 E 2Nd Ave
Escondido, CA 920254249

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
December 12, 2024
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A10278

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609053701. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
837
Distinct HCPCS
10
Medicare allowed
$89,116
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 310 184 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 156 117 $97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 82 82 $138
77067 Screening mammography 71 71 $146
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 34 30 $16
81003 Automated urinalysis test 32 28 $2
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $177
71046 X-ray of chest, 2 views 21 19 $38
77080 Dxa bone density measurement of hip, pelvis, spine 21 21 $43
96372 Injection of drug or substance under skin or into muscle 21 15 $16

In context: peer comparison

Among 5 peers in this city , average services per provider: 77. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$239
Transactions
12
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $48.15
Merck Sharp & Dohme LLC 2 $45.18
GlaxoSmithKline, LLC. 2 $41.54
Lilly USA, LLC 1 $27.78
Astellas Pharma US Inc 1 $27.60
Teva Pharmaceuticals USA, Inc. 1 $18.77
PFIZER INC. 1 $16.66
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $13.53

By nature of payment

Food and Beverage
$239

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,893
Patients
591
Total drug cost
$24,833
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 256 79 $4,792
Atorvastatin Calcium Generic 244 71 $2,991
Amlodipine Besylate Generic 239 73 $1,725
Losartan Potassium Generic 157 47 $2,914
Lisinopril Generic 141 47 $1,150
Gabapentin Generic 113 34 $2,359
Hydrochlorothiazide Generic 111 29 $537
Omeprazole Generic 106 35 $2,022
Metformin Hcl Generic 100 30 $1,037
Pantoprazole Sodium Generic 84 30 $1,165

Frequently asked questions

Auto-generated from federal data
What is Dr. Hui-Wen Dai's medical specialty?
Dr. Hui-Wen Dai practices Family Medicine Physician in Fallbrook, CA.
Where does Dr. Hui-Wen Dai practice?
Dr. Hui-Wen Dai practices at 1035 S Main Ave, Fallbrook, CA 920283338. Office phone: 7602916700.
What is Dr. Hui-Wen Dai's NPI?
Dr. Hui-Wen Dai's National Provider Identifier (NPI) is 1609053701, issued by NPPES.
Does Dr. Hui-Wen Dai accept Medicare assignment?
Yes. Dr. Hui-Wen Dai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hui-Wen Dai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.