Thomas Oei, MD
NPI 1861468530 · Retina Specialist (Ophthalmology) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Oei, MD is a Retina Specialist (Ophthalmology) Physician provider in San Antonio, TX (NPI 1861468530).
Provider details
- NPI number
- 1861468530
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- H7332 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
19,200 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 5,069 | $39 |
| Injection of Drug Into Eye67028 | 2,813 | $113 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 2,429 | $161 |
| Established Patient Problem Focused Exam of Visual System92012 | 1,970 | $89 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 1,865 | $25 |
| Established Patient Complete Exam of Visual System92014 | 1,828 | $125 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Erythromycin Basebrand: Erythromycin | 788 | 407 |
| Latanoprost | 741 | 195 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 330 | 83 |
| Dorzolamide Hcl | 231 | 89 |
| Timolol Maleate | 201 | 52 |
| Bimatoprostbrand: Lumigan | 116 | 27 |
| Moxifloxacin Hclbrand: Moxifloxacin | 113 | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,510 across 50 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 120 Francisco Lemos St SKerrville, TX 78028-5211Phone: (210) 880-3000Fax: (210) 227-6056
Registry dates
- Enumerated
- 2006-02-23
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Thomas Oei's NPI number?
- Thomas Oei's National Provider Identifier (NPI) is 1861468530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Oei's specialty?
- Thomas Oei is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Oei located?
- Thomas Oei's practice location on file with NPPES is 622 Isom Rd, San Antonio, TX 78216-4464.
- What is Thomas Oei's phone number?
- The practice phone number listed in the NPPES registry for Thomas Oei is (210) 880-3000.
- Does Thomas Oei accept Medicare?
- Thomas Oei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Oei's NPI active?
- Yes — Thomas Oei's NPI (1861468530) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.