Gregory R. Czarnecki, DO

Medicare activity in 2024

Official CMS public-use data for Gregory R. Czarnecki, 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)153 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)118 services
3. Osteopathic manipulative treatment, 3-4 body regions (98926)74 services
4. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)57 services
5. Hemoglobin a1c level (83036)41 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 cholesterol75%
• High blood pressure68%
• Arthritis49%
• Ischemic heart disease30%
• Anxiety24%
• Diabetes21%

Hospitals where Gregory R. Czarnecki works

Medicare's Facility Affiliation Data lists Gregory R. Czarnecki 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.

• Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025

Practice locations

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

• 98 Main St, Suite 301Southington, CT 06489 (860) 621‑6704

Group practices

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

• Hartford Healthcare Medical Group Inc267 clinicians in the group

Specialties

• Sports Medicineprimary
• Internal Medicinealso

Find other Sports Medicine doctors in Connecticut →

Other sports medicine doctors in Connecticut

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

• Allison M. Schafer, DO
• Imran A. Hafeez, MD
• Christopher J. Lena, MD
• Robert A. Stanton, MD
• Clifford G. Rios, MD
• Zachary Maass, DO
• Michael Kuhn, MD
• Carl W. Nissen, MD

All sports medicine doctors in Connecticut →

Other clinicians in Hartford Healthcare Medical Group Inc

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

• Michael Moriarty, DO
• Gregory Haman, MD
• Shahena Master, DO
• Andaleeb Shariff, MD
• Anxhela Kulla, PA
• Gabriella S. Beaulieu

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