Hospitals in ZIP 11777 (Port Jefferson, NY)
There are 2 Medicare-certified hospitals in ZIP 11777, Port Jefferson, NY, in this CMS data release (average rating 5.0 / 5 among rated providers).
Browse: all hospitals · New York · Hospitals in Port Jefferson · all care in ZIP 11777
Hospitals provide inpatient medical and surgical care, emergency services, and diagnostic care. Medicare-certified hospitals receive CMS star ratings that summarize mortality, safety, readmission, patient experience, and timely and effective care.
Choosing among hospitals in ZIP 11777
Ratings are a starting point, not a verdict. Review the inspection findings, staffing levels, and quality measures behind each score, then confirm the services you need are actually offered.
If you are choosing for yourself or a family member in ZIP 11777, Port Jefferson, NY, visit in person when possible, ask about current availability, and confirm participation in Medicare and Medicaid. Ask how the provider handles care planning, family communication, and after-hours concerns.
Data profile for ZIP 11777
CMS data lets us profile the 2 providers with a mailing address in ZIP 11777: 2 (100%) carry a published overall star rating. Ownership on record breaks down as 2 non-profit. The highest published overall rating in this ZIP is 5.0 out of 5 at JOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON (non-profit). Across rated providers the scores range from 5.0 to 5.0 out of 5.
| Providers on record | 2 |
|---|---|
| With a published overall rating | 2 of 2 (100%) |
| Average overall rating | 5.0 / 5 |
| Highest-rated provider | JOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON (5.0 / 5) |
| Ownership mix | 2 non-profit |
| Certified beds (total) | Not reported |
| Providers with a federal penalty | 0 |
CMS measures by provider
| Provider | Care type | Overall | Ownership | Certified beds | Penalties |
|---|---|---|---|---|---|
| JOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON | Hospital | 5.0 | non-profit | — | 0 |
| ST CHARLES HOSPITAL | Hospital | 5.0 | non-profit | — | 0 |
Medicare-certified hospitals in ZIP 11777
Frequently asked questions
What is the average CMS rating for hospitals in ZIP 11777?
How do I choose a hospital in ZIP 11777?
Do any providers in ZIP 11777 have federal penalties?
What other ZIP codes near Port Jefferson have hospitals?
Where does this information come from?
Which hospital in ZIP 11777 has the highest CMS rating?
Data sources
Source: CMS Provider Data Catalog (processing date 2026-10-06). See the methodology page for normalization details. This page is informational only and is not medical advice.
Important disclosures
Informational only, not medical advice. This directory publishes public data and general information. It does not provide medical advice, diagnosis, or treatment recommendations, and it is not a substitute for consulting a qualified health care professional or Medicare.
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