Nader Iskander, MD
NPI 1659369601 · Ophthalmology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nader Iskander, MD is a Ophthalmology Physician provider in San Antonio, TX (NPI 1659369601).
Provider details
- NPI number
- 1659369601
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L5383 (TX)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,461 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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 523 | $38 |
| Established Patient Complete Exam of Visual System92014 | 408 | $118 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 347 | $479 |
| New Patient Complete Exam of Visual System92004 | 216 | $142 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 170 | $314 |
| Imaging of Retina92134 | 138 | $37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 338 | 291 |
| Latanoprost | 202 | 69 |
| Ofloxacin | 166 | 140 |
| Bromfenac Sodium | 65 | 54 |
| Brimonidine Tartrate | 58 | 28 |
| Diclofenac Sodium | 45 | 35 |
| Timolol Maleate | 37 | 12 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,174 across 27 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
Registry dates
- Enumerated
- 2005-10-12
- Last updated
- 2016-07-12
Frequently asked questions
- What is Nader Iskander's NPI number?
- Nader Iskander's National Provider Identifier (NPI) is 1659369601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nader Iskander's specialty?
- Nader Iskander is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Nader Iskander located?
- Nader Iskander's practice location on file with NPPES is 2810 N Loop 1604 W, San Antonio, TX 78248-2222.
- What is Nader Iskander's phone number?
- The practice phone number listed in the NPPES registry for Nader Iskander is (210) 822-9800.
- Does Nader Iskander accept Medicare?
- Nader Iskander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nader Iskander's NPI active?
- Yes — Nader Iskander's NPI (1659369601) is active in the NPPES registry as of the last update on 2016-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.