Peter Brennen, M.D.
NPI 1831410679 · Retina Specialist (Ophthalmology) Physician · Plainview, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Brennen, M.D. is a Retina Specialist (Ophthalmology) Physician provider in Plainview, NY (NPI 1831410679).
Provider details
- NPI number
- 1831410679
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 297179 (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
16 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
8,892 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 | 4,044 | $47 |
| Injection of Drug Into Eye67028 | 1,768 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,034 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 864 | $149 |
| Established Patient Complete Exam of Visual System92014 | 747 | $147 |
| Exam of Retinal Blood Vessels Using a Special Camera After Injection of a Dye92235 | 118 | $192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 135 | 76 |
| Ketorolac Tromethamine | 60 | 37 |
| Moxifloxacin Hclbrand: Moxifloxacin | 52 | 47 |
| Latanoprost | 37 | 21 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 33 | 19 |
| Erythromycin Basebrand: Erythromycin | 30 | 23 |
| Difluprednate | 27 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$781 across 26 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
- 2010-06-16
- Last updated
- 2019-09-09
Frequently asked questions
- What is Peter Brennen's NPI number?
- Peter Brennen's National Provider Identifier (NPI) is 1831410679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Brennen's specialty?
- Peter Brennen is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Brennen located?
- Peter Brennen's practice location on file with NPPES is 732 Old Country Rd, Plainview, NY 11803-4929.
- What is Peter Brennen's phone number?
- The practice phone number listed in the NPPES registry for Peter Brennen is (516) 822-3911.
- Does Peter Brennen accept Medicare?
- Peter Brennen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Brennen's NPI active?
- Yes — Peter Brennen's NPI (1831410679) is active in the NPPES registry as of the last update on 2019-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.