Doctor profile · Federal record

Dr. Nhi Nguyen, O.D.

Optometrist (CMS: Optometry) · Corona, CA

  • NPI 1841785326
  • Accepts Medicare
  • MIPS 98.0 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2620 Tuscany St Ste 103
Corona, CA 928814646
(951) 372-9623
Additional location
1 Mills Cir Ste 516
Ontario, CA 917645211
(909) 484-9030
Mailing address
3300 E Palm Dr, Apt 432
Fullerton, CA 928311736

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
October 23, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #33954

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841785326. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
109
Distinct HCPCS
5
Medicare allowed
$11,007
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 30 30 $99
92134 Imaging of retina 26 26 $43
92014 Established patient complete exam of visual system 25 24 $137
92004 New patient complete exam of visual system 16 16 $165
92083 Exam of visual field with extended testing 12 12 $71

In context: peer comparison

Among 5 peers in this city , average services per provider: 32. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$569
Transactions
12
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Carl Zeiss Meditec USA, Inc. 1 $161.61
Regeneron Healthcare Solutions, Inc. 1 $121.01
CooperVision Inc. 1 $82.43
Bausch & Lomb Americas Inc. 4 $72.45
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $55.83
Dompe US, Inc. 1 $33.70
Thea Pharma Inc. 1 $23.29
Oyster Point Pharma, Inc. 1 $18.20

By nature of payment

Food and Beverage
$569

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
850
Patients
195
Total drug cost
$73,551
Drug Type Claims Patients Total cost
Latanoprost Generic 514 131 $8,872
Timolol Maleate Generic 128 38 $1,671
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 44 15 $1,043
Lumigan (Bimatoprost) Brand 35 0 $10,814
Cyclosporine Generic 28 0 $16,450
Restasis (Cyclosporine) Brand 21 11 $20,310
Rhopressa (Netarsudil Mesylate) Brand 21 0 $8,118
Brimonidine Tartrate Generic 19 0 $856
Travoprost Generic 17 0 $2,492
Combigan (Brimonidine Tartrate/Timolol) Brand 12 0 $2,500

Frequently asked questions

Auto-generated from federal data
What is Dr. Nhi Nguyen's medical specialty?
Dr. Nhi Nguyen practices Optometrist in Corona, CA.
Where does Dr. Nhi Nguyen practice?
Dr. Nhi Nguyen practices at 2620 Tuscany St Ste 103, Corona, CA 928814646. Office phone: 9513729623.
What is Dr. Nhi Nguyen's NPI?
Dr. Nhi Nguyen's National Provider Identifier (NPI) is 1841785326, issued by NPPES.
Does Dr. Nhi Nguyen accept Medicare assignment?
Yes. Dr. Nhi Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nhi Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Imaging of retina (HCPCS 92134); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.