Katherine Maccallum, MD

Medicare activity in 2024

Official CMS public-use data for Katherine Maccallum, 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)67 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)35 services
3. Complete ultrasound study of arm and leg arteries (93923)27 services
4. Ultrasound study of arm and leg arteries (93922)26 services
5. Ultrasound study of arm or leg veins with compression and maneuvers (93970)25 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%
• Arthritis44%
• Ischemic heart disease44%
• Diabetes40%
• Chronic kidney disease32%

Hospitals where Katherine Maccallum works

Medicare's Facility Affiliation Data lists Katherine Maccallum 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.

• Jacobi Medical CenterBronx, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330127
• Rhode Island HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410007

Practice locations

Addresses where Katherine Maccallum is enrolled with Medicare (CMS data updated October 2, 2026).

• 2 Dudley St, Suite 470Providence, RI 02905 (401) 272‑1800
• 900 Douglas Pike, Suite B1Smithfield, RI 02917 (401) 272‑1800

Group practices

Medicare enrollment lists Katherine Maccallum as a member of these groups (CMS data updated October 2, 2026).

• Lifespan Physician Group Inc1,173 clinicians in the group
• University Surgical Associates, Inc.101 clinicians in the group

Specialties

• Vascular Surgeryprimary

Find other Vascular Surgery doctors in Rhode Island →

Other vascular surgeons in Providence

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

• Marissa Jarosinski, MD
• Richard Meena, MD
• Peter Soden, MD
• Thomas N. Carruthers, MD
• Jeffrey M. Slaiby, MD
• Carla Moreira, MD

All vascular surgeons in Providence →

Other clinicians in Lifespan Physician Group Inc

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

• Russell Bratman, MD
• Jacob Mooney, MD
• Christopher Manners, MD
• Clifford Bromberg
• Jamison E. Rogers, MD
• Otis Warren

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