Doctor profile · Federal record
Dr. Christine Nguyen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Vista, CA
- NPI 1750483590
- Accepts Medicare
- 35 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
910 Sycamore Ave Ste 270
Vista, CA 920817852
(800) 926-8273
fax (888) 539-8781 - Mailing address
-
File 57326
Los Angeles, CA 900747326
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 3, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A51750
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750483590. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,360
Distinct HCPCS
10
Medicare allowed
$124,024
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,140 | 13 | $23 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 440 | 221 | $111 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 206 | 153 | $83 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 161 | 161 | $46 | |
G0008 |
Administration of influenza virus vaccine | 73 | 71 | $33 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 72 | 65 | $82 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 66 | 65 | $75 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 41 | 35 | $16 | |
99422 |
Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes | 34 | 23 | $31 | |
G0009 |
Administration of pneumococcal vaccine | 32 | 32 | $33 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 127. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$47
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 2 | $47.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,901
Patients
621
Total drug cost
$29,964
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 303 | 83 | $4,984 |
| Atorvastatin Calcium | Generic | 286 | 96 | $3,984 |
| Losartan Potassium | Generic | 211 | 68 | $2,937 |
| Amlodipine Besylate | Generic | 141 | 47 | $1,413 |
| Gabapentin | Generic | 136 | 39 | $3,844 |
| Lisinopril | Generic | 128 | 42 | $1,491 |
| Rosuvastatin Calcium | Generic | 105 | 35 | $4,901 |
| Metformin Hcl | Generic | 90 | 32 | $664 |
| Alprazolam | Generic | 88 | 28 | $192 |
| Omeprazole | Generic | 80 | 28 | $804 |
Hospital affiliations
Frequently asked questions
What is Dr. Christine Nguyen's medical specialty?
Dr. Christine Nguyen practices Internal Medicine Physician in Vista, CA.
Where does Dr. Christine Nguyen practice?
Dr. Christine Nguyen practices at 910 Sycamore Ave Ste 270, Vista, CA 920817852. Office phone: 8009268273.
What is Dr. Christine Nguyen's NPI?
Dr. Christine Nguyen's National Provider Identifier (NPI) is 1750483590, issued by NPPES.
Does Dr. Christine Nguyen accept Medicare assignment?
Yes. Dr. Christine Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christine Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.