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Dr. Diana P. Leon is an obstetrician-gynecologist in East Setauket, New York, practicing with Square Care Medical Group LLP.
Medical school: Icahn School of Medicine at Mount Sinai, class of 2008.
Square Care Medical Group LLP's East Setauket location at 100 S Jersey Ave Unit 16, East Setauket, NY 11733 is where Dr. Leon sees patients — appointments by phone at (631) 689-6400. Dr. Leon is also listed at 285 Sills Rd Suite D, East Patchogue, NY 11772. For Medicare patients: Dr. Leon accepts assignment.
On the hospital side, Dr. Leon holds affiliations with Stony Brook University Hospital, John T Mather Memorial Hospital of Port Jefferson, Long Island Community Hospital and Good Samaritan Hospital Medical Center.
Your review of Dr. Leon — wait times, how well things were explained, how you were treated — helps other patients decide.
Practice details
- Specialty
- Obstetrician-gynecologist
- Credentials
- MD
- Practice
- Square Care Medical Group LLP
- Address
- 100 S Jersey Ave Unit 16, East Setauket, NY 11733
- Phone
- (631) 689-6400
- Other locations
- 285 Sills Rd Suite D, East Patchogue, NY 11772
- Medical school
- Icahn School of Medicine at Mount Sinai (2008)
- Hospital affiliations
- Stony Brook University Hospital, John T Mather Memorial Hospital of Port Jefferson, Long Island Community Hospital, Good Samaritan Hospital Medical Center
- Medicare assignment
- Accepts
- NPI number
- 1649538554
- NY license no.
- 262109
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 240 people with traditional Medicare, average age 73
- Most common services billed to Medicare
- Assessment of emotional or behavioral problems
- Cervical or vaginal cancer screening; pelvic and clinical breast examination
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory
- Procedures on Medicare Care Compare
- Removal of skin lesions 1–10 procedures
- Medicare quality score (MIPS 2024)
- 88 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2017. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Good Samaritan Hospital Medical Center · John T Mather Memorial Hospital of Port Jefferson · Long Island Community Hospital · Stony Brook University Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing ob-gyns? See 4 in East Setauket or 189 across Long Island.
Other ob-gyns in Long Island
Dr. Elsie M. Santana-Fox, MDOB-GYN · Nassau Health Care CorporationNo reviews yetEast Meadow, NY
Dr. Eronmwon Oronsaye, MDOB-GYN · Medical Services of Bellmore PCNo reviews yetBellmore, NY
Dr. Errol P. Thompson, MDOB-GYN · Nassau Health Care CorporationNo reviews yetEast Meadow, NY
Dr. Frances Anderson, MDOB-GYN · Mayer J Saad MD PCNo reviews yetWestbury, NY
Dr. Francine I. Hippolyte, MDOB-GYN · North Shore-Lij Medical PCNo reviews yetNew Hyde Park, NY
Dr. Gary S. Rosenberg, MDOB-GYN · North Shore Lij Ob Gyn at Garden City PCNo reviews yetGarden City, NYWrite a review
Frequently Asked Questions
With Square Care Medical Group LLP, at 100 S Jersey Ave Unit 16, East Setauket, NY 11733.
Call the office at (631) 689-6400.
Yes — Dr. Leon accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Stony Brook University Hospital, John T Mather Memorial Hospital of Port Jefferson, Long Island Community Hospital and Good Samaritan Hospital Medical Center.
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