Paul R. Ponnaiya, MD

Medicare activity in 2024

Official CMS public-use data for Paul R. Ponnaiya, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)4,692 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)487 services
3. Hospital discharge day management, more than 30 minutes (99239)443 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%
• Arthritis73%
• Ischemic heart disease54%
• Diabetes47%
• Anxiety47%

Hospitals where Paul R. Ponnaiya works

Medicare's Facility Affiliation Data lists Paul R. Ponnaiya 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.

• Atrium Health PinevilleCharlotte, NC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 340098
• Carolinas Medical Center/Behavioral HealthCharlotte, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340113
• Novant Health Ballantyne Medical CenterCharlotte, NC · Acute Care Hospital · Emergency services: listed by Medicare · CCN 340195
• Rock Hill Hospital-Piedmont Medical CenterRock Hill, SC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 420002

Practice locations

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

• 1795 Doctor Frank Gaston BlvdRock Hill, SC 29732 (803) 326‑3500

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Rock Hill

Clinicians with the same Medicare primary specialty in Rock Hill, SC — not a recommendation.

• Nirav N. Patel, MD
• Bruce H. Chamberlain, MD
• Sashi Naidu, MD
• Richmond P. Allan, MD
• Sushil K. Das, MD
• Alaba A. Onasanya, MD
• Bret M. Garretson, MD
• Romin Shah

All internal medicine doctors in Rock Hill →

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