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Cardiovascular Disease (Cardiology)

Jessica Mega, MD

Works at hospitals in Stanford, CA · California

Summary

Jessica Mega, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 1 hospital in Stanford, CA. NPI 1336123215. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica Mega, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
Yale University School Of MedicineMedical school
FemaleGender (as listed)
Stanford Health CareGroup practice

Quick answers

Which hospitals does Jessica Mega work at?
Medicare's official clinician data lists Jessica Mega at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jessica Mega see patients?
Medicare's clinician data lists 1 practice location in Stanford, CA. Call before your visit to confirm the address.
What is Jessica Mega's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Jessica Mega accept Medicare assignment?
Yes. Medicare's clinician data says Jessica Mega accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jessica Mega?
(650) 723-4000, as listed in official Medicare / NPI Registry data.
What is Jessica Mega's NPI number?
1336123215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jessica Mega works

Medicare's Facility Affiliation Data lists Jessica Mega at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jessica Mega is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jessica Mega as a member of this group (CMS data updated 2026-10-02).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Stanford

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

All cardiologists in Stanford →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336123215
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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