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Internal Medicine

Robert F. Divencenzo, DO

Works at hospitals in Potsdam, NY · Massena, NY · New York

Summary

Dr. Robert F. Divencenzo, DO is an internal medicine doctor at 191 N Main St, Wellsville, NY 14895. Phone: (585) 593-1100. Accepts Medicare assignment. In 2024, Robert F. Divencenzo had 46 Original Medicare patients and 114 services. NPI 1467450833. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 191 N Main St, Wellsville, NY 14895 · Directions
  • Phone: (585) 593‑1100
  • Medicare: Accepts Medicare assignment
  • Hospitals: Canton-Potsdam Hospital, SLHS Massena, Inc
  • Group practice: Delphi Hospitalist Services LLC
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 1988 (38 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Robert F. Divencenzo, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Robert F. Divencenzo accept Medicare assignment?
Yes. Medicare's clinician data says Robert F. Divencenzo 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 Robert F. Divencenzo see?
In 2024, CMS data shows 46 Original Medicare patients and 114 services for Robert F. Divencenzo. This counts Original Medicare only and measures volume, not quality.
What is Robert F. Divencenzo's NPI number?
1467450833. 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 Robert F. Divencenzo, 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 patients46
Services billed to Medicare114
Different services or procedures10
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)52 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)23 services
  3. Hospital discharge day management, more than 30 minutes (99239)22 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 cholesterol74%
  • Arthritis63%
  • Depression54%
  • COPD54%
  • Anxiety50%

Hospitals where Robert F. Divencenzo works

Medicare's Facility Affiliation Data lists Robert F. Divencenzo 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.

  • Canton-Potsdam HospitalPotsdam, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330197
  • SLHS Massena, IncMassena, NY · Critical Access Hospital · Emergency services: listed by Medicare · CCN 331322

Practice locations

Addresses where Robert F. Divencenzo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Robert F. Divencenzo as a member of this group (CMS data updated October 2, 2026).

  • Delphi Hospitalist Services LLC51 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Wellsville

Clinicians with the same Medicare primary specialty in Wellsville, NY — not a recommendation.

All internal medicine doctors in Wellsville →

Other clinicians in Delphi Hospitalist Services LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467450833
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians