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Cardiac Electrophysiology

Uday Gajjandra Sandhu, MD

Works at hospitals in San Andreas, CA · Placerville, CA · Sacramento, CA … · California

Summary

Dr. Uday Gajjandra Sandhu, MD is a cardiac electrophysiologist at 3941 J St, Suite 350, Sacramento, CA 95819. Phone: (916) 435-2500. Accepts Medicare assignment. In 2024, Uday Gajjandra Sandhu had 493 Original Medicare patients and 1,551 services. NPI 1275951055. 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 Uday Gajjandra Sandhu, 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 Uday Gajjandra Sandhu accept Medicare assignment?
Yes. Medicare's clinician data says Uday Gajjandra Sandhu 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 Uday Gajjandra Sandhu see?
In 2024, CMS data shows 493 Original Medicare patients and 1,551 services for Uday Gajjandra Sandhu. This counts Original Medicare only and measures volume, not quality.
What is Uday Gajjandra Sandhu's NPI number?
1275951055. 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 Uday Gajjandra Sandhu, 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 patients493
Services billed to Medicare1,551
Different services or procedures74
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)323 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)200 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)113 services
  4. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)95 services
  5. Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation (93656)82 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%
  • Atrial fibrillation75%
  • Arthritis54%
  • Heart failure48%
  • Ischemic heart disease44%

Hospitals where Uday Gajjandra Sandhu works

Medicare's Facility Affiliation Data lists Uday Gajjandra Sandhu 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.

  • Mark Twain Medical CenterSan Andreas, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 051332
  • Marshall Medical CenterPlacerville, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050254
  • Mercy General HospitalSacramento, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050017
  • Mercy San Juan Medical CenterCarmichael, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050516
  • Sierra Nevada Memorial HospitalGrass Valley, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050150

Practice locations

Addresses where Uday Gajjandra Sandhu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Uday Gajjandra Sandhu as a member of this group (CMS data updated October 2, 2026).

  • Dignity Health Medical Foundation1,184 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in California →

Other cardiac electrophysiologists in Sacramento

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

All cardiac electrophysiologists in Sacramento →

Other clinicians in Dignity Health Medical Foundation

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

Clinician information

CredentialMD
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)1275951055
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