Doctor profile · Federal record
Dr. Richard Nguyen, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Garden Grove, CA
- NPI 1134178486
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9746 Westminster Ave, Ste A
Garden Grove, CA 928442984
(714) 638-4433
fax (715) 638-4499 - Mailing address
-
1244 W Beverly Dr
Orange, CA 928682108
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 13, 2012
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #G77473
- Medicaid
- CA #00G774730
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134178486. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
897
Distinct HCPCS
5
Medicare allowed
$127,729
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 636 | 413 | $123 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 173 | 173 | $173 | |
76519 |
Ultrasound scan to determine eye length and lens power | 42 | 21 | $38 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 27 | 27 | $589 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 17 | $98 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 245. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 1 | $13.20 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $13.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
7,728
Patients
1,741
Total drug cost
$1,000,659
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Timolol Maleate | Generic | 1,441 | 236 | $19,343 |
| Latanoprost | Generic | 1,387 | 208 | $17,345 |
| Brimonidine Tartrate | Generic | 1,007 | 201 | $20,938 |
| Restasis (Cyclosporine) | Brand | 814 | 139 | $631,515 |
| Azelastine Hcl | Generic | 655 | 163 | $16,296 |
| Ketorolac Tromethamine | Generic | 508 | 134 | $13,665 |
| Fluorometholone | Generic | 307 | 94 | $22,207 |
| Cyclosporine | Generic | 254 | 63 | $89,904 |
| Erythromycin (Erythromycin Base) | Brand | 237 | 100 | $3,142 |
| Prednisolone Acetate | Generic | 236 | 156 | $9,092 |
Frequently asked questions
What is Dr. Richard Nguyen's medical specialty?
Dr. Richard Nguyen practices Ophthalmology Physician in Garden Grove, CA.
Where does Dr. Richard Nguyen practice?
Dr. Richard Nguyen practices at 9746 Westminster Ave, Garden Grove, CA 928442984. Office phone: 7146384433.
What is Dr. Richard Nguyen's NPI?
Dr. Richard Nguyen's National Provider Identifier (NPI) is 1134178486, issued by NPPES.
Does Dr. Richard Nguyen accept Medicare assignment?
Yes. Dr. Richard Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard 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 99204); Ultrasound scan to determine eye length and lens power (HCPCS 76519). Source: CMS Medicare Physician & Other Practitioners file.