DR. ANHTUAN HOANG NGUYEN (MD) – Ophthalmology Physician, NPI 1821403510
Ophthalmology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,544 OPHTHALMOLOGY in TX
Provider Addresses for DR. ANHTUAN HOANG NGUYEN (MD)
5430 FREDERICKSBURG RD STE 100
SAN ANTONIO, TX 782293539
Phone: (210) 340-1212
Fax: (210) 340-1505
Type: Mailing
7703 FLOYD CURL DRIVE MC 6230
ATTN: EDUCATION OFFICE
SAN ANTONIO, TX 782293900
Phone: (281) 796-8498
Type: Location
203 Lothrop St Ste 821.2
Pittsburgh, PA 15213
Phone: (412) 647-2256
Type: Location
5430 Fredericksburg Rd Ste 100
San Antonio, TX 78229
Phone: (210) 340-1212
Fax: (210) 340-1505
Type: Location
4502 Medical Dr
San Antonio, TX 782294402
Phone: (210) 358-4000
Type: Location
7703 Floyd Curl Drive MC 6230
ATTN: Education Office
San Antonio, TX 782293900
Phone: (281) 796-8498
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $2,283.
Total Amount is formed as General ($2,201) + Research ($81) + Ownership ($0) = $2,283.
Last reported payment date: 2024-10-24 • Largest payer in this snapshot: ABBVIE INC. ($1,422).
Total Amount
$2,283
General + Research + Ownership
Payments
26
Total payment records
General Amount
$2,201
General payments
Research Amount
$81
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,422 |
| Sight Sciences, Inc. | $285 |
| Amgen Inc. | $167 |
| Carl Zeiss Meditec USA, Inc. | $154 |
| Alcon Vision LLC | $90 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-06-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190620000675 | I | Ophthalmology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92012 | Established patient problem focused exam of visual system | 1,359 | 786 | $0 |
| 92014 | Established patient complete exam of visual system | 1,206 | 1,099 | $0 |
| 92083 | Exam of visual field with extended testing | 937 | 779 | $0 |
| 92133 | Imaging of optic nerve | 754 | 691 | $0 |
| 92020 | Exam of the internal drainage system of eye | 402 | 359 | $0 |
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | TX | |
| O P T O M E T R Y | TX | |
| - | TX | |
| O P H T H A L M O L O G Y | TX | |
| O P H T H A L M O L O G Y | TX | |
| O P T O M E T R Y | TX | |
| - | TX | |
| O P T O M E T R Y | TX | |
| - | TX |
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