Quick answers
- Does Chauncey R. Syposs Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Chauncey R. Syposs Iv 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 Chauncey R. Syposs Iv see?
- In 2024, CMS data shows 200 Original Medicare patients and 860 services for Chauncey R. Syposs Iv. This counts Original Medicare only and measures volume, not quality.
- What is Chauncey R. Syposs Iv's NPI number?
- 1720644065. 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 Chauncey R. Syposs Iv, 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 | 200 |
|---|---|
| Services billed to Medicare | 860 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Special stained specimen slides to examine tissue, each additional procedure (88341)188 services
- Flow cytometry technique for dna or cell analysis, 16 or more markers (88189)144 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)104 services
- Pathology cytologic examination of specimen during surgery, initial site (88333)74 services
- Bone marrow, smear interpretation (85097)66 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 cholesterol73%
- Arthritis39%
- Chronic kidney disease37%
- Ischemic heart disease34%
- Diabetes33%
Hospitals where Chauncey R. Syposs Iv works
Medicare's Facility Affiliation Data lists Chauncey R. Syposs Iv 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
- Bassett HealthcareCooperstown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330136
- Jones Memorial HospitalWellsville, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330096
- Nicholas H Noyes Memorial HospitalDansville, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330238
- Strong Memorial HospitalRochester, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330285
Practice locations
Addresses where Chauncey R. Syposs Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 S AveRochester, NY 14620 (585) 341‑6779
- 111 Clara Barton StDansville, NY 14437 (585) 335‑8639
- 191 N Main StWellsville, NY 14895 (585) 596‑0145
- 601 Elmwood AveRochester, NY 14642 (585) 275‑2100
Group practices
Medicare enrollment lists Chauncey R. Syposs Iv as a member of these groups (CMS data updated October 2, 2026).
- University of Rochester973 clinicians in the group
- Highland Hospital of Rochester411 clinicians in the group
- Nicholas H Noyes Memorial Hospital133 clinicians in the group
- The Memorial Hospital of William F and Gertrude F Jones Inc127 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, NY — not a recommendation.
Other clinicians in University of Rochester
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rocky Vista University College Of Osteopathic Med |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720644065 |
| 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