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Primary care doctors who accept Medicare in Central Islip, NY
CMS lists 9 clinicians in this specialty with a practice address in Central Islip. Accept Medicare assignment (the Medicare-approved amount as full payment): 7. Offer telehealth: 0.
Typical amounts Medicare approves in ZIP 11722 (2024 Medicare rates, the latest CMS has published): a new-patient visit $154, of which you pay about $39; a follow-up visit $118, of which you pay about $29 — the 20% coinsurance after the yearly Part B deductible. Clinicians who don't accept assignment can charge up to 15% more; with a Medicare Advantage plan, your plan's copay applies instead.
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Order: clinicians who accept assignment first, then by MIPS score (highest first), then by last name.
Cathy-Anne M. Charles, MD
✓ Accepts Medicare assignmentGraduated 2011FemaleDrug and device company payments (2025): $75Patricia E. Happel, DO
✓ Accepts Medicare assignmentGraduated 2008 · New York College of Osteo Medicine of New York Institute of TechnologyFemaleDrug and device company payments (2025): $15,263Mervat A. Mourad, DO
✓ Accepts Medicare assignmentGraduated 2007 · New York College of Osteo Medicine of New York Institute of TechnologyFemaleDrug and device company payments (2025): $229Jeffrey D. Muller, MD
✓ Accepts Medicare assignmentGraduated 1998 · New York College of Osteo Medicine of New York Institute of TechnologyMaleDrug and device company payments (2025): $274Carl-Henri Sanchez, MD
✓ Accepts Medicare assignmentGraduated 1987MaleKaren M. Sheflin, MD
✓ Accepts Medicare assignmentGraduated 2001 · New York College of Osteo Medicine of New York Institute of TechnologyFemaleDrug and device company payments (2025): $69Eleanor Yusupov, DO
✓ Accepts Medicare assignmentGraduated 2005 · New York College of Osteo Medicine of New York Institute of TechnologyFemaleDrug and device company payments (2025): $70Taimur Ahmad, DO
May accept assignmentGraduated 2021 · New York College of Osteo Medicine of New York Institute of TechnologyMaleMarie C. Jacques, MD
May accept assignmentGraduated 1987FemaleDrug and device company payments (2025): $150
Before you book
This list comes from Medicare's enrollment records, not from reviews. Call the office to confirm the clinician is taking new Medicare patients. With Original Medicare, a clinician who accepts assignment can only charge you the Medicare deductible and coinsurance; one who doesn't may charge up to 15% more than the Medicare-approved amount. If you have a Medicare Advantage plan, check that the clinician is in the plan's network.
The MIPS final score (0–100) comes from Medicare's Merit-based Incentive Payment System for 2024. It combines quality measures, cost, improvement activities and use of certified health records, and it sets a payment adjustment. Clinicians who report as a group share the group's score. It is not a patient rating, and many clinicians have no published score.
Payments from drug and medical device companies come from CMS Open Payments (2025 general payments: meals, travel, consulting and speaking fees, gifts and similar), summed for each clinician. Receiving payments is legal and common and does not mean a clinician did anything wrong.
Other specialists in Central Islip
- Nurse practitioners12
- Psychiatrists4
- Therapists and counselors6
- Physical therapists4
- Occupational therapists3
- Physiatrists3
Other care in Central Islip
Hospitals · Nursing homes · Dialysis centers · Home health agencies · Hospices
Nearby cities
Enrollment, addresses and scores are as reported to CMS and can change. This is not a list of in-network providers for any Medicare Advantage plan, and it is not medical advice. Source: CMS Provider Data Catalog — Doctors and Clinicians National Downloadable File, Clinician MIPS Performance 2024 and Facility Affiliation Data (released Oct 2, 2026).