Doctor profile · Federal record
Dr. Ai (Theresa) Nguyen, O.D.
Optometrist (CMS: Optometry) · San Diego, CA
- NPI 1508857533
- Accepts Medicare
- MIPS 75.3 / 100 · 2023
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6945 El Cajon Blvd
San Diego, CA 921151754
(619) 697-4600
fax (619) 464-5526
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- February 28, 2013
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT11481
- Medicaid
- CA #GR0052930
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508857533. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
48
Distinct HCPCS
3
Medicare allowed
$7,198
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92012 |
Established patient problem focused exam of visual system | 17 | 17 | $112 | |
92014 |
Established patient complete exam of visual system | 16 | 16 | $157 | |
92004 |
New patient complete exam of visual system | 15 | 15 | $185 |
In context: peer comparison
Among 39 peers in San Diego Optometrist, average services per provider: 62. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
82
Patients
20
Total drug cost
$1,511
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 60 | 20 | $1,209 |
| Erythromycin (Erythromycin Base) | Brand | 11 | 0 | $141 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 11 | 0 | $161 |
Frequently asked questions
What is Dr. Ai (Theresa) Nguyen's medical specialty?
Dr. Ai (Theresa) Nguyen practices Optometrist in San Diego, CA.
Where does Dr. Ai (Theresa) Nguyen practice?
Dr. Ai (Theresa) Nguyen practices at 6945 El Cajon Blvd, San Diego, CA 921151754. Office phone: 6196974600.
What is Dr. Ai (Theresa) Nguyen's NPI?
Dr. Ai (Theresa) Nguyen's National Provider Identifier (NPI) is 1508857533, issued by NPPES.
Does Dr. Ai (Theresa) Nguyen accept Medicare assignment?
Yes. Dr. Ai (Theresa) Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ai (Theresa) Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.