Quick answers
- Does Marni J. Sanders accept Medicare assignment?
- Yes. Medicare's clinician data says Marni J. Sanders accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marni J. Sanders see?
- In 2024, CMS data shows 150 Original Medicare patients and 414 services for Marni J. Sanders. This counts Original Medicare only and measures volume, not quality.
- What is Marni J. Sanders's NPI number?
- 1215933304. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marni J. Sanders, 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.
| Original Medicare patients | 150 |
|---|---|
| Services billed to Medicare | 414 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Assessment of emotional or behavioral problems (96127)114 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)103 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)36 services
- Automated urinalysis test (81003)35 services
- Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)32 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 cholesterol75%
- High blood pressure64%
- Arthritis44%
- Osteoporosis36%
- Diabetes24%
- Anxiety23%
Hospitals where Marni J. Sanders works
Medicare's Facility Affiliation Data lists Marni J. Sanders 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
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182
Practice locations
Addresses where Marni J. Sanders is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 Marcus AveNew Hyde Park, NY 11042
- 410 Lakeville Rd, Suite 305New Hyde Park, NY 11042
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215933304 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians