Herbert L. Duvivier, MD

Medicare activity in 2024

Official CMS public-use data for Herbert L. Duvivier, 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.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)668 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)297 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)26 services
4. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)22 services
5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)14 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
• Chronic kidney disease41%
• Arthritis40%
• Diabetes38%

Hospitals where Herbert L. Duvivier works

Medicare's Facility Affiliation Data lists Herbert L. Duvivier 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.

• Kenmore Mercy HospitalKenmore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330102
• Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330279
• Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078

Practice locations

Addresses where Herbert L. Duvivier is enrolled with Medicare (CMS data updated October 2, 2026).

• 6199 Transit RdDepew, NY 14043 (716) 601‑3690

Group practices

Medicare enrollment lists Herbert L. Duvivier as a member of this group (CMS data updated October 2, 2026).

• Sisters of Charity Hospital of Buffalo New York164 clinicians in the group

Specialties

• Medical Oncologyprimary
• Hematologyalso

Find other Medical Oncology doctors in New York →

Other oncologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

• Rachael B. Turner
• Ya Haddy Sallah, MD
• Evan Rosenbaum, MD
• Andrew E. Cornish, MD
• Martee L. Hensley, MD
• Carol Aghajanian, MD
• Salman Punekar, MD
• Mark B. Stoopler, MD

All oncologists in New York →

Other clinicians in Sisters of Charity Hospital of Buffalo New York

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

• Brian J. Darcy, MD
• Naureen R. Jaffri, DO
• Nadia E. Polataiko, MD
• Howard A. Lippes, MD
• Judine C. Davis, MD
• Simona Velicu, MD

Clinician information

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