Raj I. Narayani, MD

Medicare activity in 2024

Official CMS public-use data for Raj I. Narayani, 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. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)208 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)70 services
3. Study of esophagus to assess movement (91010)55 services
4. Imaging of digestive tract done from the inside of the digestive tract (91110)54 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 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 pressure73%
• Arthritis46%
• Diabetes29%
• Depression26%
• Anxiety26%

Hospitals where Raj I. Narayani works

Medicare's Facility Affiliation Data lists Raj I. Narayani 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.

• Fort Sanders Regional Medical CenterKnoxville, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440125
• Parkwest Medical CenterKnoxville, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440173
• University Health System, IncKnoxville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440015

Practice locations

Addresses where Raj I. Narayani is enrolled with Medicare (CMS data updated October 2, 2026).

• 1311 Dowell Springs Blvd, Suite 300Knoxville, TN 37909 (865) 558‑0606

Group practices

Medicare enrollment lists Raj I. Narayani as a member of this group (CMS data updated October 2, 2026).

• Gastrointestinal Associates PC33 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Tennessee →

Other gastroenterologists in Knoxville

Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.

• Juan Benitez, MD
• Michael R. Ellis, MD
• Jeffrey I. Brown, MD
• Jeffrey S. Gilbert, MD
• William F. Ergen, MD
• Jason L. Huffman, MD
• Maria B. Newman, MD
• Kevin P. Meyers, MD

All gastroenterologists in Knoxville →

Other clinicians in Gastrointestinal Associates PC

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

• Andrea Coffey
• Kevin P. Meyers, MD
• Jennifer Unger
• Joseph L. Carr
• William F. Ergen, MD
• Trevor Ingeneri, 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