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Gastroenterology

Niharika R. Mallepally, MD

Works at hospitals in Burbank, CA · West Hills, CA · California

Summary

Dr. Niharika R. Mallepally, MD is a gastroenterologist at 100 Moody Ct, Suite 200, Thousand Oaks, CA 91360. Phone: (805) 418-3500. Accepts Medicare assignment. In 2024, Niharika R. Mallepally had 135 Original Medicare patients and 213 services. NPI 1679001333. 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.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 100 Moody Ct, Suite 200, Thousand Oaks, CA 91360 · Directions (3 more locations)
  • Phone: (805) 418‑3500
  • Medicare: Accepts Medicare assignment
  • Hospitals: Providence Saint Joseph Medical Center, UCLA West Valley Medical Center
  • Group practice: The Regents of the University of California
  • Medical school: Duke University School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Niharika R. Mallepally, 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 Niharika R. Mallepally accept Medicare assignment?
Yes. Medicare's clinician data says Niharika R. Mallepally 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 Niharika R. Mallepally see?
In 2024, CMS data shows 135 Original Medicare patients and 213 services for Niharika R. Mallepally. This counts Original Medicare only and measures volume, not quality.
What is Niharika R. Mallepally's NPI number?
1679001333. 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 Niharika R. Mallepally, 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 patients135
Services billed to Medicare213
Different services or procedures21
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)71 services
  2. Biopsy of large bowel using a flexible endoscope (45380)25 services
  3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)22 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 services
  5. Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)11 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 pressure70%
  • Arthritis53%
  • Diabetes36%
  • Ischemic heart disease27%
  • Depression27%

Hospitals where Niharika R. Mallepally works

Medicare's Facility Affiliation Data lists Niharika R. Mallepally 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 Niharika R. Mallepally is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • The Regents of the University of California1,462 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Thousand Oaks

Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.

All gastroenterologists in Thousand Oaks →

Other clinicians in The Regents of the University of California

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

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1679001333
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