Alex Schaffer, O.D.
NPI 1538476171 · Optometrist · Setauket, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alex Schaffer, O.D. is a Optometrist provider in Setauket, NY (NPI 1538476171).
Provider details
- NPI number
- 1538476171
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 007620 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
2,916 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 819 | $96 |
| Established Patient Complete Exam of Visual System92014 | 626 | $133 |
| Photography of the Retina92250 | 591 | $39 |
| Imaging of Retina92134 | 165 | $42 |
| Exam of Visual Field With Extended Testing92083 | 104 | $59 |
| New Patient Complete Exam of Visual System92004 | 95 | $155 |
| Extended Exam Involving Color Vision Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 159 | 134 |
| Ofloxacin | 40 | 32 |
| Brimonidine Tartrate | 39 | 16 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 32 | — |
| Latanoprost | 24 | 14 |
| Prednisolone Acetate | 23 | 20 |
| Erythromycin Basebrand: Erythromycin | 22 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$526 across 22 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
- 2010-09-02
- Last updated
- 2010-09-02
Frequently asked questions
- What is Alex Schaffer's NPI number?
- Alex Schaffer's National Provider Identifier (NPI) is 1538476171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alex Schaffer's specialty?
- Alex Schaffer is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Alex Schaffer located?
- Alex Schaffer's practice location on file with NPPES is 3400 Nesconset Hwy, Setauket, NY 11733-3327.
- What is Alex Schaffer's phone number?
- The practice phone number listed in the NPPES registry for Alex Schaffer is (631) 751-2020.
- Does Alex Schaffer accept Medicare?
- Alex Schaffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alex Schaffer's NPI active?
- Yes — Alex Schaffer's NPI (1538476171) is active in the NPPES registry as of the last update on 2010-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.