Brian Ludwig
NPI 1932512506 · Optometrist · Setauket, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Ludwig is a Optometrist provider in Setauket, NY (NPI 1932512506).
Provider details
- NPI number
- 1932512506
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- TUV008113-1 (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 tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,519 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Problem Focused Exam of Visual System92012 | 707 | $94 |
| Photography of the Retina92250 | 627 | $37 |
| Established Patient Complete Exam of Visual System92014 | 512 | $133 |
| Measurement of Retinal and Optic Nerve Function92273 | 311 | $135 |
| New Patient Complete Exam of Visual System92004 | 303 | $156 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 59 | $131 |
Typical Medicare-allowed amounts for these services range $37–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 290 | 50 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 80 | 28 |
| Brimonidine Tartrate | 63 | 14 |
| Travoprost | 34 | — |
| Cyclosporinebrand: Restasis Multidose | 31 | — |
| Erythromycin Basebrand: Erythromycin | 25 | 15 |
| Dorzolamide Hcl | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-06-11
- Last updated
- 2024-04-30
- Certified
- 2024-04-30
Frequently asked questions
- What is Brian Ludwig's NPI number?
- Brian Ludwig's National Provider Identifier (NPI) is 1932512506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Ludwig's specialty?
- Brian Ludwig is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Brian Ludwig located?
- Brian Ludwig's practice location on file with NPPES is 3 Daniel Way, Setauket, NY 11733-3054.
- What is Brian Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Brian Ludwig is (631) 832-7337.
- Does Brian Ludwig accept Medicare?
- Brian Ludwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Ludwig's NPI active?
- Yes — Brian Ludwig's NPI (1932512506) is active in the NPPES registry as of the last update on 2024-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.