Quick answers
- Does John P. Fantauzzi accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Fantauzzi 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 John P. Fantauzzi see?
- In 2024, CMS data shows 1,901 Original Medicare patients and 9,975 services for John P. Fantauzzi. This counts Original Medicare only and measures volume, not quality.
- What is John P. Fantauzzi's NPI number?
- 1649442070. 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 John P. Fantauzzi, 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 | 1,901 |
|---|---|
| Services billed to Medicare | 9,975 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)7,375 services
- X-ray of chest, 1 view (71045)924 services
- Ct scan of chest without contrast (71250)567 services
- X-ray of chest, 2 views (71046)245 services
- Low dose ct scan of chest for lung cancer screening (71271)206 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%
- Ischemic heart disease52%
- Arthritis43%
- COPD37%
- Anxiety34%
Hospitals where John P. Fantauzzi works
Medicare's Facility Affiliation Data lists John P. Fantauzzi 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.
- Albany Medical Center HospitalAlbany, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330013
- Columbia Memorial HospitalHudson, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330094
- North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
- UC San Diego Health Hillcrest - Hillcrest Medical CenterSan Diego, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050025
- Vassar Brothers Medical CenterPoughkeepsie, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330023
Practice locations
Addresses where John P. Fantauzzi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 30; the Medicare profile lists all.
- 100 Medical PlazaLos Angeles, CA 90095 (310) 301‑6800
- 100 Medical Plaza, Suite 170Los Angeles, CA 90095 (310) 319‑1234
- 1220 Hicksville RdSeaford, NY 11783 (516) 266‑3456
- 1783 Route 9Halfmoon, NY 12065
- 200 Medical PlazaLos Angeles, CA 90095 (310) 301‑6800
Group practices
Medicare enrollment lists John P. Fantauzzi as a member of these groups (CMS data updated October 2, 2026).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Regents of the University of California2,089 clinicians in the group
- Nuvance Health Medical Practice PC595 clinicians in the group
- Community Care Physicians PLLC368 clinicians in the group
- Southside Faculty Medical Affiliates University Faculty Practice Corp231 clinicians in the group
- UCLA Radiology Medical Group202 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — 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 Medical College |
| 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) | 1649442070 |
| 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