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Cardiovascular Disease (Cardiology)

Gurunath Rajapuram, MD

Works at hospitals in Concord, CA · Auburn, CA · Antioch, CA · California

Summary

Dr. Gurunath Rajapuram, MD is a cardiologist at 3200 Lone Tree Way, Suite 101, Antioch, CA 94509. Phone: (925) 777-3360. Accepts Medicare assignment. In 2024, Gurunath Rajapuram had 589 Original Medicare patients and 4,566 services. NPI 1144238510. 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 Gurunath Rajapuram, 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 Gurunath Rajapuram accept Medicare assignment?
Yes. Medicare's clinician data says Gurunath Rajapuram 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 Gurunath Rajapuram see?
In 2024, CMS data shows 589 Original Medicare patients and 4,566 services for Gurunath Rajapuram. This counts Original Medicare only and measures volume, not quality.
What is Gurunath Rajapuram's NPI number?
1144238510. 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 Gurunath Rajapuram, 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 patients589
Services billed to Medicare4,566
Different services or procedures55
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) (J0153)660 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)585 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)554 services
  4. Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)405 services
  5. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)374 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%
  • Ischemic heart disease61%
  • Diabetes49%
  • Arthritis46%
  • Chronic kidney disease44%

Hospitals where Gurunath Rajapuram works

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

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in California

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

All cardiologists in California →

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144238510
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