Doctor profile · Federal record
Dr. Dat Duong, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Westminster, CA
- NPI 1689740912
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
13926 Beach Blvd
Westminster, CA 926834037
(714) 893-1212
fax (714) 893-1211
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 31, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- California #A77545
- Medicaid
- CA #GR0089680
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689740912. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,111
Distinct HCPCS
10
Medicare allowed
$464,807
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 1,518 | 333 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,347 | 351 | $132 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 816 | 330 | $94 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 589 | 258 | $66 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 232 | 232 | $133 | |
G0008 |
Administration of influenza virus vaccine | 197 | 196 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 183 | 183 | $72 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 68 | 68 | $19 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 54 | 47 | $213 | |
96372 |
Injection of drug or substance under skin or into muscle | 43 | 29 | $15 |
In context: peer comparison
Among 1 peers in Westminster Geriatric Medicine (Internal Medicine) Physician, average services per provider: 365. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$3,502
Transactions
57
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 9 | $744.68 | |
| AstraZeneca Pharmaceuticals Lp | 10 | $507.02 | |
| GlaxoSmithKline, LLC. | 7 | $375.61 | |
| Phathom Pharmaceuticals, INC. | 3 | $371.99 | |
| Gilead Sciences, INC. | 3 | $306.16 | |
| Lilly USA, LLC | 5 | $299.60 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $284.24 | |
| Abbvie INC. | 4 | $150.01 | |
| RedHill Biopharma INC. | 1 | $143.97 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $124.25 | |
| Novo Nordisk INC | 4 | $81.99 | |
| Janssen Pharmaceuticals, INC | 2 | $42.39 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $30.32 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $20.89 | |
| Esperion Therapeutics, INC. | 1 | $18.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
7,870
Patients
2,757
Total drug cost
$781,174
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pravastatin Sodium | Generic | 1,061 | 283 | $24,823 |
| Losartan Potassium | Generic | 937 | 279 | $20,882 |
| Atorvastatin Calcium | Generic | 816 | 233 | $16,450 |
| Metoprolol Succinate | Generic | 674 | 193 | $15,209 |
| Metformin Hcl | Generic | 513 | 132 | $7,589 |
| Azithromycin | Generic | 473 | 325 | $3,011 |
| Jardiance (Empagliflozin) | Brand | 458 | 100 | $606,930 |
| Amlodipine Besylate | Generic | 443 | 136 | $7,089 |
| Valsartan | Generic | 430 | 153 | $18,247 |
| Omeprazole | Generic | 406 | 187 | $4,822 |
Frequently asked questions
What is Dr. Dat Duong's medical specialty?
Dr. Dat Duong practices Geriatric Medicine (Internal Medicine) Physician in Westminster, CA.
Where does Dr. Dat Duong practice?
Dr. Dat Duong practices at 13926 Beach Blvd, Westminster, CA 926834037. Office phone: 7148931212.
What is Dr. Dat Duong's NPI?
Dr. Dat Duong's National Provider Identifier (NPI) is 1689740912, issued by NPPES.
Does Dr. Dat Duong accept Medicare assignment?
Dr. Dat Duong does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Dat Duong commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.