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Gastroenterology

Sreenivasa R. Nakka, MD

Works at hospitals in Hemet, CA · Sun City, CA · California

Summary

Dr. Sreenivasa R. Nakka, MD is a gastroenterologist at 949 Calhoun Pl, Suite A, Hemet, CA 92543. Accepts Medicare assignment. In 2024, Sreenivasa R. Nakka had 513 Original Medicare patients and 1,875 services. NPI 1184666547. 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: 949 Calhoun Pl, Suite A, Hemet, CA 92543 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospitals: Hemet Global Medical Center, Menifee Global Medical Center
  • Medical school: graduated 1975 (51 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sreenivasa R. Nakka, 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 Sreenivasa R. Nakka accept Medicare assignment?
Yes. Medicare's clinician data says Sreenivasa R. Nakka 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 Sreenivasa R. Nakka see?
In 2024, CMS data shows 513 Original Medicare patients and 1,875 services for Sreenivasa R. Nakka. This counts Original Medicare only and measures volume, not quality.
What is Sreenivasa R. Nakka's NPI number?
1184666547. 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 Sreenivasa R. Nakka, 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 patients513
Services billed to Medicare1,875
Different services or procedures25
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)633 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)326 services
  3. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)171 services
  4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)131 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)102 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%
  • Diabetes52%
  • Arthritis46%
  • Ischemic heart disease43%
  • Chronic kidney disease35%

Hospitals where Sreenivasa R. Nakka works

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

  • 949 Calhoun Pl, Suite AHemet, CA 92543

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All gastroenterologists in California →

Clinician information

CredentialMD
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184666547
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