Gregory B. Comfort Jr., MD

Medicare activity in 2024

Official CMS public-use data for Gregory B. Comfort Jr., 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. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)398 services
2. Heart muscle strain imaging (93356)304 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)280 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)206 services
5. Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)160 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%
• Arthritis55%
• Ischemic heart disease54%
• Diabetes43%
• Atrial fibrillation39%

Hospitals where Gregory B. Comfort Jr. works

Medicare's Facility Affiliation Data lists Gregory B. Comfort Jr. 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.

• Mount Carmel DublinDublin, OH · Acute Care Hospital · Emergency services: listed by Medicare · CCN 360375
• Mount Carmel East & WestColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360035
• Mount Carmel New Albany Surgical HospitalNew Albany, OH · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 360266
• Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360012
• Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085

Practice locations

Addresses where Gregory B. Comfort Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.

• 136 E High StLondon, OH 43140 (614) 627‑2000
• 1945 Newark Granville RdGranville, OH 43023 (614) 627‑2000
• 4101 Emerald Pkwy, Suite 200Dublin, OH 43016
• 4105 Emerald PkwyDublin, OH 43016 (380) 898‑9000
• 4674 Britton Pkwy, Suite 2000Hilliard, OH 43026 (614) 627‑2000

Group practices

Medicare enrollment lists Gregory B. Comfort Jr. as a member of this group (CMS data updated October 2, 2026).

• Mount Carmel Healthproviders Two LLC225 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Ohio →

Other cardiologists in Ohio

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

• Jason P. Evanchan, DO
• Saurav Uppal, MD
• Wasim Khan, MD
• Thein T. Aung, MD
• Vahid Tavakoli, MD
• Kan N. Hor, MD
• Josephine Randazzo, DO
• Lauren J. Hassen, MD

All cardiologists in Ohio →

Other clinicians in Mount Carmel Healthproviders Two LLC

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

• Gerald T. Drocton Iii, MD
• Noah J. Jones, MD
• Yvonne S. Rucker, NP
• Scott Branchick
• Jianqing Li, MD
• Amber Busser

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