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Anesthesiology

Ramakrishna R. Thondapu, MD

Sees patients in Merced, CA · Los Banos, CA · California

Summary

Dr. Ramakrishna R. Thondapu, MD is an anesthesiologist at 1390 E Yosemite Ave, Suite C, Merced, CA 95340. Phone: (209) 724-0316. Accepts Medicare assignment. In 2024, Ramakrishna R. Thondapu had 350 Original Medicare patients and 962 services. NPI 1619921103. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1390 E Yosemite Ave, Suite C, Merced, CA 95340 · Directions (2 more locations)
  • Phone: (209) 724‑0316
  • Medicare: Accepts Medicare assignment
  • Group practice: Merced Anesthesiology Medical Associates (+1 more)
  • Medical school: graduated 1974 (52 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ramakrishna R. Thondapu, 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 Ramakrishna R. Thondapu accept Medicare assignment?
Yes. Medicare's clinician data says Ramakrishna R. Thondapu 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 Ramakrishna R. Thondapu see?
In 2024, CMS data shows 350 Original Medicare patients and 962 services for Ramakrishna R. Thondapu. This counts Original Medicare only and measures volume, not quality.
What is Ramakrishna R. Thondapu's NPI number?
1619921103. 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 Ramakrishna R. Thondapu, 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 patients350
Services billed to Medicare962
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

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)137 services
  2. Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)105 services
  3. Injection of substance into lower spine canal using imaging guidance (62323)86 services
  4. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)84 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)71 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%
  • Arthritis65%
  • Diabetes41%
  • Ischemic heart disease34%
  • Chronic kidney disease30%

Practice locations

Addresses where Ramakrishna R. Thondapu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ramakrishna R. Thondapu as a member of these groups (CMS data updated October 2, 2026).

  • Merced Anesthesiology Medical Associates2 clinicians in the group
  • Pain Associates of Merced2 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Merced

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

All anesthesiologists in Merced →

Clinician information

CredentialMD
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619921103
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians