Quick answers
- Does Andrew Sauvageau accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Sauvageau 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 Sauvageau see?
- In 2024, CMS data shows 104 Original Medicare patients and 339 services for Andrew Sauvageau. This counts Original Medicare only and measures volume, not quality.
- What is Andrew Sauvageau's NPI number?
- 1255890471. 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 Sauvageau, 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 | 104 |
|---|---|
| Services billed to Medicare | 339 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)64 services
- Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)56 services
- Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm (13132)38 services
- Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks (17313)18 services
- Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm (13121)13 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 pressure72%
- Arthritis43%
- Ischemic heart disease28%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)25%
- Diabetes24%
Hospitals where Andrew Sauvageau works
Medicare's Facility Affiliation Data lists Andrew Sauvageau 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.
- UPMC Chautauqua at WcaJamestown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330239
Practice locations
Addresses where Andrew Sauvageau is enrolled with Medicare (CMS data updated October 2, 2026).
- 2508 Western AveAltamont, NY 12009 (518) 690‑0177
- 297 Spindrift Dr, Suite 100Williamsville, NY 14221 (716) 831‑2600
- 4535 Southwestern Blvd, Suite 202Hamburg, NY 14075 (212) 283‑3000
Group practices
Medicare enrollment lists Andrew Sauvageau as a member of these groups (CMS data updated October 2, 2026).
- Schweiger Dermatology PLLC260 clinicians in the group
- Western New York Dermatology PLLC15 clinicians in the group
Specialties
Other dermatologists in Altamont
Clinicians with the same Medicare primary specialty in Altamont, NY — not a recommendation.
Other clinicians in Schweiger Dermatology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2024 (2 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255890471 |
| 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