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Cardiovascular Disease (Cardiology)

Adrian O. Ma, MD

Works at hospitals in Mountain View, CA · San Jose, CA · California

Summary

Adrian O. Ma, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Mountain View, CA and San Jose, CA. NPI 1952305971. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Adrian O. Ma, 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
May acceptAccepts Medicare assignment
41Years since medical school (graduated 1985)
MaleGender (as listed)

Quick answers

Which hospitals does Adrian O. Ma work at?
Medicare's official clinician data lists Adrian O. Ma at 2 hospitals: El Camino Health and Santa Clara Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Adrian O. Ma see patients?
Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
What is Adrian O. Ma's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Adrian O. Ma accept Medicare assignment?
Medicare's clinician data says Adrian O. Ma may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Adrian O. Ma?
(408) 729-3388, as listed in official Medicare / NPI Registry data.
What is Adrian O. Ma's NPI number?
1952305971. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Adrian O. Ma works

Medicare's Facility Affiliation Data lists Adrian O. Ma 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 Adrian O. Ma is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in San Jose

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

All cardiologists in San Jose →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1952305971
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