Quick answers
- Does Craig I. Horenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Craig I. Horenstein 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 Craig I. Horenstein see?
- In 2024, CMS data shows 2,691 Original Medicare patients and 3,996 services for Craig I. Horenstein. This counts Original Medicare only and measures volume, not quality.
- What is Craig I. Horenstein's NPI number?
- 1316105349. 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 Craig I. Horenstein, 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 | 2,691 |
|---|---|
| Services billed to Medicare | 3,996 |
| Different services or procedures | 73 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Ct scan head or brain without contrast (70450)1,255 services
- Ct scan of upper spine without contrast (72125)295 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)179 services
- Mri scan of brain without contrast (70551)168 services
- Complete ultrasound scan behind abdominal cavity (76770)168 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 disease59%
- Diabetes50%
- Chronic kidney disease42%
Hospitals where Craig I. Horenstein works
Medicare's Facility Affiliation Data lists Craig I. Horenstein 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.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330045
- Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043
Practice locations
Addresses where Craig I. Horenstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 1220 Hicksville RdSeaford, NY 11783 (516) 266‑3456
- 301 E Main St, 2 NorthBay Shore, NY 11706 (631) 968‑3293
- 9525 Queens BlvdRego Park, NY 11374 (718) 360‑5522
Group practices
Medicare enrollment lists Craig I. Horenstein as a member of these groups (CMS data updated October 2, 2026).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Southside Faculty Medical Affiliates University Faculty Practice Corp231 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Seaford
Clinicians with the same Medicare primary specialty in Seaford, NY — not a recommendation.
Other clinicians in North Shore-Lij Medical PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316105349 |
| 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