Quick answers
- Does Andrew N. Guglielmi accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew N. Guglielmi 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 Andrew N. Guglielmi see?
- In 2024, CMS data shows 3,119 Original Medicare patients and 5,313 services for Andrew N. Guglielmi. This counts Original Medicare only and measures volume, not quality.
- What is Andrew N. Guglielmi's NPI number?
- 1417162819. 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 Andrew N. Guglielmi, 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 | 3,119 |
|---|---|
| Services billed to Medicare | 5,313 |
| Different services or procedures | 159 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)728 services
- Ct scan of abdomen and pelvis with contrast (74177)507 services
- Ct scan head or brain without contrast (70450)329 services
- Ct scan of chest with contrast (71260)322 services
- Ct scan of blood vessels of chest with contrast (71275)294 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%
- Arthritis56%
- Ischemic heart disease52%
- Diabetes41%
- Chronic kidney disease38%
Hospitals where Andrew N. Guglielmi works
Medicare's Facility Affiliation Data lists Andrew N. Guglielmi 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.
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 510022
- Lewisgale Hospital MontgomeryBlacksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490110
- Lewisgale Medical CenterSalem, VA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 490048
- Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
- Stonesprings Hospital CenterDulles, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490145
Practice locations
Addresses where Andrew N. Guglielmi is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Woods RdValhalla, NY 10595
- 129 Orchard Wood PathGranville, OH 43023 (703) 726‑1201
- 15 Maple AveWarwick, NY 10990 (845) 986‑2276
- 95 Grasslands RdValhalla, NY 10595 (914) 493‑6940
Group practices
Medicare enrollment lists Andrew N. Guglielmi as a member of these groups (CMS data updated October 2, 2026).
- Westchester Medical Center Advanced Physician Services PC897 clinicians in the group
- West Virginia Radiology Associates PC92 clinicians in the group
- Reston Radiology Consultants, PC37 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Valhalla
Clinicians with the same Medicare primary specialty in Valhalla, NY — not a recommendation.
Other clinicians in Westchester Medical Center Advanced Physician Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417162819 |
| 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