Doctor profile · Federal record
Dr. Paul Duong, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Westminster, CA
- NPI 1023181658
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9433 Bolsa Ave, Suite # A
Westminster, CA 926835964
(714) 839-7332
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- November 17, 2012
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G66325
- Medicaid
- CA #00G663251
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023181658. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,239
Distinct HCPCS
10
Medicare allowed
$115,536
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 777 | 134 | $98 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 121 | 46 | $68 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 82 | 82 | $140 | |
90686 |
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 56 | 56 | $22 | |
G0008 |
Administration of influenza virus vaccine | 56 | 56 | $33 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 37 | 28 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 31 | 29 | $139 | |
36410 |
Insertion of needle into vein (3 years or older) | 24 | 20 | $19 | |
G0402 |
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 18 | 18 | $179 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 13 | 13 | $282 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 331. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 1 | $14.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,782
Patients
858
Total drug cost
$47,098
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 712 | 204 | $12,156 |
| Amlodipine Besylate | Generic | 325 | 100 | $4,293 |
| Metformin Hcl | Generic | 231 | 63 | $2,705 |
| Losartan Potassium | Generic | 211 | 62 | $4,202 |
| Famotidine | Generic | 177 | 62 | $2,078 |
| Metoprolol Succinate | Generic | 168 | 50 | $3,834 |
| Lisinopril | Generic | 167 | 48 | $2,417 |
| Gabapentin | Generic | 134 | 44 | $1,661 |
| Tamsulosin Hcl | Generic | 120 | 37 | $3,301 |
| Amlodipine Besylate-Benazepril (Amlodipine Besylate/Benazepril) | Brand | 105 | 31 | $3,130 |
Frequently asked questions
What is Dr. Paul Duong's medical specialty?
Dr. Paul Duong practices Internal Medicine Physician in Westminster, CA.
Where does Dr. Paul Duong practice?
Dr. Paul Duong practices at 9433 Bolsa Ave, Westminster, CA 926835964. Office phone: 7148397332.
What is Dr. Paul Duong's NPI?
Dr. Paul Duong's National Provider Identifier (NPI) is 1023181658, issued by NPPES.
Does Dr. Paul Duong accept Medicare assignment?
Yes. Dr. Paul Duong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Duong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services (HCPCS 99490); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.