Quick answers
- Does Jean H. Ancion accept Medicare assignment?
- Yes. Medicare's clinician data says Jean H. Ancion 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 Jean H. Ancion see?
- In 2024, CMS data shows 314 Original Medicare patients and 977 services for Jean H. Ancion. This counts Original Medicare only and measures volume, not quality.
- What is Jean H. Ancion's NPI number?
- 1265609127. 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 Jean H. Ancion, 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 | 314 |
|---|---|
| Services billed to Medicare | 977 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)563 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)185 services
- Hospital discharge day management, more than 30 minutes (99239)96 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)52 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)50 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%
- Arthritis58%
- Ischemic heart disease58%
- Diabetes52%
- Chronic kidney disease45%
Hospitals where Jean H. Ancion works
Medicare's Facility Affiliation Data lists Jean H. Ancion 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.
- Arnot Ogden Medical CenterElmira, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330090
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330307
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198
Practice locations
Addresses where Jean H. Ancion is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Healthy WayOceanside, NY 11572 (516) 632‑3670
- 600 Roe AveElmira, NY 14905
Group practices
Medicare enrollment lists Jean H. Ancion as a member of these groups (CMS data updated October 2, 2026).
- Arnot Ogden Medical Center216 clinicians in the group
- Mount Sinai School of Medicine148 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, NY — not a recommendation.
Other clinicians in Arnot Ogden Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| 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) | 1265609127 |
| 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