Maria R. Barry, DO

Medicare activity in 2024

Official CMS public-use data for Maria R. Barry, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)332 services
2. Advance care planning, first 30 minutes (99497)206 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis68%
• Ischemic heart disease67%
• Diabetes54%
• Heart failure54%

Hospitals where Maria R. Barry works

Medicare's Facility Affiliation Data lists Maria R. Barry at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
• Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043
• Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330107
• Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331

Practice locations

Addresses where Maria R. Barry is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Heroes WayRiverhead, NY 11901 (631) 548‑6101
• 301 E Main StBay Shore, NY 11706 (631) 968‑3636

Group practices

Medicare enrollment lists Maria R. Barry as a member of these groups (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group
• Central Suffolk Hospital95 clinicians in the group

Specialties

• Hospitalistprimary
• Family Practicealso

Find other Hospitalist doctors in New York →

Other hospitalists in Riverhead

Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.

• Mohammed Y. Noori, MD
• Jonathan E. Ariyaratnam, MD
• Nicolas Hernandez, MD
• Henok Regassa, MD
• Carolyn Alvarez, MD
• Ramish Nasir, DO
• Marie-Jose Dorval-Dorcely, MD
• Vaibhavi Patel, MD

All hospitalists in Riverhead →

Other clinicians in North Shore-Lij Medical PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Sarah Ramirez, MD
• Michael P. Konig, MD
• Julia Alishayev, PA
• Ashley Duah, NP
• Gregory M. Daubs, MD
• Sarah Saggio, PA

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians