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Cardiovascular Disease (Cardiology)

Mahyar Khaleghi, MD

Works at hospitals in Vacaville, CA · Vallejo, CA · California

Summary

Dr. Mahyar Khaleghi, MD is a cardiologist at 975 Sereno Dr, Vallejo, CA 94589. Phone: (707) 651-1000. Accepts Medicare assignment. In 2024, Mahyar Khaleghi had 146 Original Medicare patients and 220 services. NPI 1922233394. 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 Mahyar Khaleghi, 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 Mahyar Khaleghi accept Medicare assignment?
Yes. Medicare's clinician data says Mahyar Khaleghi 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 Mahyar Khaleghi see?
In 2024, CMS data shows 146 Original Medicare patients and 220 services for Mahyar Khaleghi. This counts Original Medicare only and measures volume, not quality.
What is Mahyar Khaleghi's NPI number?
1922233394. 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 Mahyar Khaleghi, 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 patients146
Services billed to Medicare220
Different services or procedures17
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)162 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)23 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 cholesterol64%
  • Diabetes50%
  • Ischemic heart disease50%
  • Heart failure44%
  • Chronic kidney disease41%

Hospitals where Mahyar Khaleghi works

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

Group practices

Medicare enrollment lists Mahyar Khaleghi as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Vallejo

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

All cardiologists in Vallejo →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922233394
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