Doctor profile · Federal record
Dr. Quoc Nguyen, MD
Psychiatry Physician (CMS: Psychiatry) · Temecula, CA
- NPI 1639121379
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
44605 Avenida de Missiones Ste 206
Temecula, CA 925925001
(951) 200-5154
fax (951) 302-0800
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 2, 2019
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #A67516
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639121379. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
117
Distinct HCPCS
2
Medicare allowed
$16,905
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 98 | 38 | $129 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $227 |
In context: peer comparison
Among 2 peers in Temecula Psychiatry Physician, average services per provider: 70. This provider delivers 1.7× the peer median.Open Payments
Industry payments received
All-time total
$686
Transactions
24
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 6 | $188.30 | |
| Axsome Therapeutics, INC. | 1 | $110.73 | |
| Grifols USA, LLC | 3 | $79.32 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $72.70 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $56.89 | |
| Genzyme Corporation | 2 | $55.45 | |
| Paratek Pharmaceuticals, INC. | 2 | $37.25 | |
| Abbott Laboratories | 1 | $23.62 | |
| Philips North America LLC | 1 | $22.56 | |
| Baxter Healthcare | 1 | $20.94 | |
| Inspire Medical Systems, INC. | 1 | $18.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
517
Patients
137
Total drug cost
$24,133
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Quetiapine Fumarate | Generic | 80 | 28 | $6,489 |
| Aripiprazole | Generic | 39 | 14 | $3,898 |
| Trazodone Hcl | Generic | 39 | 0 | $219 |
| Duloxetine Hcl | Generic | 37 | 12 | $2,904 |
| Clonazepam | Generic | 36 | 0 | $884 |
| Lamotrigine | Generic | 36 | 14 | $687 |
| Oxcarbazepine | Generic | 33 | 13 | $3,416 |
| Sertraline Hcl | Generic | 33 | 17 | $649 |
| Alprazolam | Generic | 31 | 0 | $298 |
| Bupropion Hcl SR (Bupropion Hcl) | Brand | 29 | 15 | $976 |
Frequently asked questions
What is Dr. Quoc Nguyen's medical specialty?
Dr. Quoc Nguyen practices Psychiatry Physician in Temecula, CA.
Where does Dr. Quoc Nguyen practice?
Dr. Quoc Nguyen practices at 44605 Avenida de Missiones Ste 206, Temecula, CA 925925001. Office phone: 9512005154.
What is Dr. Quoc Nguyen's NPI?
Dr. Quoc Nguyen's National Provider Identifier (NPI) is 1639121379, issued by NPPES.
Does Dr. Quoc Nguyen accept Medicare assignment?
Yes. Dr. Quoc Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Quoc Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.