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Gastroenterology

Nikhil Thiruvengadam, MD

Works at hospitals in Loma Linda, CA · Moreno Valley, CA · California

Summary

Dr. Nikhil Thiruvengadam, MD is a gastroenterologist at 11234 Anderson St, Loma Linda, CA 92354. Phone: (951) 486-5700. Accepts Medicare assignment. In 2024, Nikhil Thiruvengadam had 173 Original Medicare patients and 345 services. NPI 1972923431. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Nikhil Thiruvengadam, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Nikhil Thiruvengadam accept Medicare assignment?
Yes. Medicare's clinician data says Nikhil Thiruvengadam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Nikhil Thiruvengadam see?
In 2024, CMS data shows 173 Original Medicare patients and 345 services for Nikhil Thiruvengadam. This counts Original Medicare only and measures volume, not quality.
What is Nikhil Thiruvengadam's NPI number?
1972923431. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Nikhil Thiruvengadam, 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.

Original Medicare patients173
Services billed to Medicare345
Different services or procedures52
Participating Medicare providerYes
Average age of these patients70

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)44 services
  2. Review by radiologist of image from tube placement into bile duct using an endoscope (74328)42 services
  3. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)30 services
  4. Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (43264)26 services
  5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)24 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 cholesterol68%
  • Diabetes48%
  • Chronic kidney disease44%
  • Arthritis43%
  • Ischemic heart disease34%

Hospitals where Nikhil Thiruvengadam works

Medicare's Facility Affiliation Data lists Nikhil Thiruvengadam 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.

Practice locations

Addresses where Nikhil Thiruvengadam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nikhil Thiruvengadam as a member of this group (CMS data updated October 2, 2026).

  • Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Loma Linda

Clinicians with the same Medicare primary specialty in Loma Linda, CA — not a recommendation.

All gastroenterologists in Loma Linda →

Other clinicians in Faculty Physicians and Surgeons of Llusm

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

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972923431
CorrectionsReport an error or suggest an update →

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