Ravi S. Ainapudi, MD

Medicare activity in 2024

Official CMS public-use data for Ravi S. Ainapudi, 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)317 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)315 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)202 services
4. Biopsy of large bowel using a flexible endoscope (45380)189 services
5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)117 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 disease47%
• Diabetes38%
• Anxiety35%

Hospitals where Ravi S. Ainapudi works

Medicare's Facility Affiliation Data lists Ravi S. Ainapudi 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.

• St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

Addresses where Ravi S. Ainapudi is enrolled with Medicare (CMS data updated October 2, 2026).

• 317 E Main St, Suite 1Smithtown, NY 11787 (631) 360‑4000

Group practices

Medicare enrollment lists Ravi S. Ainapudi as a member of this group (CMS data updated October 2, 2026).

• CHS Physician Partners PC743 clinicians in the group

Specialties

• Internal Medicineprimary
• Gastroenterologyalso

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Smithtown

Clinicians with the same Medicare primary specialty in Smithtown, NY — not a recommendation.

• Marc Allen, MD
• Michael S. Kaplan, DO
• Chelsey Sidaras, MD
• Evangelia L. Augoustiniatos, MD
• Richard S. Gold, MD
• Kristin J. Macdougall, MD
• Regina Neuman, MD
• David M. Horowitz, MD

All internal medicine doctors in Smithtown →

Other clinicians in CHS Physician Partners PC

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

• Vlada Frankenberger, DO
• Stephanie B. Keller
• Robert A. Swierupski, MD
• Bhoomi Mehrotra, MD
• Jonathan M. Waxner, MD
• Peter Sticco, 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