Doctor profile · Federal record
Dr. J Duc Nguyen, M.D.
Internal Medicine Physician · Fontana, CA
- NPI 1427018456
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8110 Mango Ave, Suite 104
Fontana, CA 923353603
(909) 822-1164
fax (909) 357-2235
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- May 5, 2014
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A62436
- Medicaid
- CA #00624360
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427018456. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
248
Distinct HCPCS
5
Medicare allowed
$22,726
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 99 | 69 | $129 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 64 | 53 | $92 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 51 | 51 | $3 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $168 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 12 | 12 | $15 |
In context: peer comparison
Among 18 peers in this city , average services per provider: 61. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,351
Patients
1,731
Total drug cost
$104,124
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 846 | 238 | $7,214 |
| Atorvastatin Calcium | Generic | 768 | 252 | $16,918 |
| Metformin Hcl | Generic | 645 | 197 | $9,187 |
| Lisinopril | Generic | 474 | 140 | $6,577 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 463 | 78 | $11,061 |
| Omeprazole | Generic | 382 | 108 | $7,432 |
| Pantoprazole Sodium | Generic | 374 | 108 | $6,834 |
| Amlodipine Besylate | Generic | 359 | 109 | $3,985 |
| Zolpidem Tartrate | Generic | 340 | 65 | $1,958 |
| Simvastatin | Generic | 319 | 99 | $5,455 |
Frequently asked questions
What is Dr. J Duc Nguyen's medical specialty?
Dr. J Duc Nguyen practices Internal Medicine Physician in Fontana, CA.
Where does Dr. J Duc Nguyen practice?
Dr. J Duc Nguyen practices at 8110 Mango Ave, Fontana, CA 923353603. Office phone: 9098221164.
What is Dr. J Duc Nguyen's NPI?
Dr. J Duc Nguyen's National Provider Identifier (NPI) is 1427018456, issued by NPPES.
What procedures does Dr. J Duc Nguyen 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); Administration and interpretation of patient-focused health risk assessment (HCPCS 96160). Source: CMS Medicare Physician & Other Practitioners file.