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Cardiovascular Disease (Cardiology)

Jay A. Johnson, MD

Works at hospitals in Santa Cruz, CA · Stanford, CA · California

Summary

Jay A. Johnson, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Santa Cruz, CA and Stanford, CA. NPI 1699810697. 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 Jay A. Johnson, 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
36Years since medical school (graduated 1990)
George Washington University School Of MedicineMedical school
MaleGender (as listed)
Cardiovascular Associates of Santa CruzGroup practice (+1 more)

Quick answers

Which hospitals does Jay A. Johnson work at?
Medicare's official clinician data lists Jay A. Johnson at 2 hospitals: Dominican Hospital and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jay A. Johnson see patients?
Medicare's clinician data lists 3 practice locations, including Santa Cruz, CA and Watsonville, CA. Call before your visit to confirm the address.
What is Jay A. Johnson's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Jay A. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Jay A. Johnson 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 Jay A. Johnson?
(831) 464-3801, as listed in official Medicare / NPI Registry data.
What is Jay A. Johnson's NPI number?
1699810697. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jay A. Johnson works

Medicare's Facility Affiliation Data lists Jay A. Johnson 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 Jay A. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jay A. Johnson as a member of these groups (CMS data updated 2026-10-02).

  • Cardiovascular Associates of Santa Cruz3 clinicians in the group
  • Monterey Bay Heart Center2 clinicians in the group

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
Medical schoolGeorge Washington University School Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699810697
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