PETER LIBRE, MD
Ophthalmology Physician in NORWALK, Connecticut. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.
What stands out: PETER LIBRE, MD reported a CMS MIPS final score of 81.202 out of 100, below the 83.1 national average, and filed 5,258 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.
PETER LIBRE, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
PETER LIBRE, MD at a glance
Near national averagePrimary specialty
Medicare Part D claims
MIPS final score
Specialty distribution in Connecticut
How Ophthalmology Physician compares to other specialties among Connecticut providers
Ophthalmology Physician share within Connecticut
Ophthalmology Physician is one of the more visible NUCC categories in Connecticut
Each bar reflects the share of in-state providers whose primary NUCC taxonomy matches the specialty. Long tail of ~690 NUCC codes folded into "Other" to keep the comparison legible.
Medicare quality performance — MIPS
PETER LIBRE, MD's 2023 MIPS final score plotted against the Ophthalmology Physician national average
- MIPS Final Score
- 81.202/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Ophthalmology Physician) — 81.202/100 vs national avg 83.1
Quality benchmarks
- National MIPS avg 2023 reporting year
- Quality dim CMS Quality category
- Specialty volume Ophthalmology Physician US NPIs
81.202/100 MIPS final score — 1.9 pts below the 83.1 national average
Quality, Cost, Promoting Interoperability, and Improvement Activities composite score for the 2023 performance year. Specialty: Ophthalmology Physician. Quality dim: 60.411.
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
PETER LIBRE, MD is a Ophthalmology Physician provider practicing in NORWALK, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1013013671. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.
PETER LIBRE, MD appears in the CMS NPPES registry as a Ophthalmology Physician provider holding MD credentials at 111 EAST AVE, NORWALK, CT, 06851, with a listed phone of (203) 853-2020. NPI 1013013671 was issued on 09/14/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what LIBRE most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.
Medicare Part D records for calendar year 2023 show 5,258 prescription claims written by this provider, covering 1,097 Medicare beneficiaries and totaling roughly $405K in drug spend, split 21% brand-name and 79% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 81.202/100 for the 2023 performance year (Quality 60.411), compared with the national average of 83.1.
Ophthalmology Physician is a mid-sized specialty nationwide, with 22,090 enrolled providers across 56 states and an average of 1,420 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1013013671 |
|---|---|
| Specialty | Ophthalmology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 09/14/2006 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm PETER LIBRE, MD's current license status, disciplinary history, and board certifications with the Connecticut Department of Public Health in Connecticut before relying on this page for a clinical or care decision.
How we sourced this profile
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
Reporting: Individual
Industry payments received (2024) — CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for PETER LIBRE, MD. Source: openpaymentsdata.cms.gov.
Total received
$402
Largest payer
ABBVIE INC.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Brand vs generic prescribing mix · Typical
21% brand-name claims vs 79% generic, on 5,258 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
Prescribing Breakdown
- 30-Day Fills
- 12,929
- Total Day Supply
- 384,953
- Brand vs Generic
- 21% brand / 79% generic
- Brand Drug Cost
- $258K
- Generic Drug Cost
- $147K
- Antibiotic Claims
- 20
Patient Demographics
- Average Patient Age
- 77.6 years
- Avg HCC Risk Score
- 1.10
- Gender Split
- 57% female / 43% male
- Age Distribution
- <65: 28, 65-74: 396, 75-84: 461, 85+: 212
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Latanoprost | 1,563 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 1,181 |
| Brimonidine Tartrate | 558 |
| Ketorolac Tromethamine | 531 |
| Rocklatan Netarsudil Mesylat/Latanoprost | 142 |
| Tafluprost Tafluprost/Pf | 113 |
| Timolol Maleate | 106 |
| Rhopressa Netarsudil Mesylate | 102 |
| Simbrinza Brinzolamide/Brimonidine Tart | 99 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Ophthalmology Physician Overview
How PETER LIBRE, MD fits within the Ophthalmology Physician landscape nationally.
PETER LIBRE, MD's 5,258 claims are above the specialty average of 1,420.
Nearby Ophthalmology Physician Providers in Connecticut
Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as LIBRE.
Compare Ophthalmology Physician nationally: see state-by-state distribution →
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Frequently Asked Questions
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Data Sources
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology