John Wittpenn, M.D.
NPI 1154326122 · Ophthalmology Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wittpenn, M.D. is a Ophthalmology Physician provider in East Setauket, NY (NPI 1154326122).
Provider details
- NPI number
- 1154326122
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 174403 (NY)
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
21 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
3,985 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 Complete Exam of Visual System92014 | 1,293 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 851 | $106 |
| Microfluid Analysis of Tears83861 | 572 | $22 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 229 | $148 |
| Imaging of Retina92134 | 225 | $46 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 150 | $48 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 542 | 239 |
| Loteprednol Etabonate | 308 | 101 |
| Ofloxacin | 253 | 181 |
| Erythromycin Basebrand: Erythromycin | 109 | 50 |
| Valacyclovir Hclbrand: Valacyclovir | 102 | 34 |
| Cyclosporinebrand: Restasis | 94 | 53 |
| Brimonidine Tartrate | 63 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,036 across 32 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
- 2005-06-16
- Last updated
- 2019-09-18
Frequently asked questions
- What is John Wittpenn's NPI number?
- John Wittpenn's National Provider Identifier (NPI) is 1154326122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wittpenn's specialty?
- John Wittpenn is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Wittpenn located?
- John Wittpenn's practice location on file with NPPES is 4 Technology Dr, East Setauket, NY 11733-4080.
- What is John Wittpenn's phone number?
- The practice phone number listed in the NPPES registry for John Wittpenn is (631) 941-1400.
- Does John Wittpenn accept Medicare?
- John Wittpenn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wittpenn's NPI active?
- Yes — John Wittpenn's NPI (1154326122) is active in the NPPES registry as of the last update on 2019-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.