Geoffrey R. Hamilton, MD

Medicare activity in 2024

Official CMS public-use data for Geoffrey R. Hamilton, 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 moderate level of decision making, if using time, 30 minutes or more (99214)204 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)202 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)154 services
4. Administration of influenza virus vaccine (G0008)49 services
5. Influenza vaccine, inactivated (90653)30 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 cholesterol72%
• High blood pressure70%
• Arthritis43%
• Anxiety26%
• Ischemic heart disease23%
• Diabetes18%

Hospitals where Geoffrey R. Hamilton works

Medicare's Facility Affiliation Data lists Geoffrey R. Hamilton 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.

• Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
• Rhode Island HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410007
• The Miriam HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410012

Practice locations

Addresses where Geoffrey R. Hamilton is enrolled with Medicare (CMS data updated October 2, 2026).

• 1180 Hope StBristol, RI 02809 (401) 253‑8900
• 950 Warren AveEast Providence, RI 02914 (401) 253‑8900

Group practices

Medicare enrollment lists Geoffrey R. Hamilton as a member of this group (CMS data updated October 2, 2026).

• Medical Associates of Ri, Inc.32 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Rhode Island →

Other internal medicine doctors in Bristol

Clinicians with the same Medicare primary specialty in Bristol, RI — not a recommendation.

• Alane B. Torf, MD
• Howard E. Schulman, MD
• Cassandra X. Constantino, MD
• Bruce E. Fischer, MD
• Leslie Mohlman, MD
• Daniel Walden, MD
• Margaret M. Furtado, MD
• Sarah M. Riedo, MD

All internal medicine doctors in Bristol →

Other clinicians in Medical Associates of Ri, Inc.

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

• Tara L. Panciotti
• Alane B. Torf, MD
• Cassandra X. Constantino, MD
• Sarah M. Riedo, MD
• Howard F. Perrone, MD
• Jeanne M. Oliva, 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