Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

John Y. Sunew, MD

Works at hospitals in Houston, TX · Katy, TX · Texas

Summary

John Y. Sunew, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 3 hospitals in Houston, TX and Katy, TX. NPI 1932147303. 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 John Y. Sunew, 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
32Years since medical school (graduated 1994)
MaleGender (as listed)
Houston Cardiovascular Assoc PAGroup practice (+1 more)

Quick answers

Which hospitals does John Y. Sunew work at?
Medicare's official clinician data lists John Y. Sunew at 3 hospitals: Houston Methodist West Hospital, Memorial Hermann Katy Hospital and Memorial Hermann Memorial City Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Y. Sunew see patients?
Medicare's clinician data lists 3 practice locations, including Katy, TX, Houston, TX and Fulshear, TX. Call before your visit to confirm the address.
What is John Y. Sunew's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does John Y. Sunew accept Medicare assignment?
Yes. Medicare's clinician data says John Y. Sunew 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 John Y. Sunew?
(281) 392-3401, as listed in official Medicare / NPI Registry data.
What is John Y. Sunew's NPI number?
1932147303. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Y. Sunew works

Medicare's Facility Affiliation Data lists John Y. Sunew 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 John Y. Sunew is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Y. Sunew as a member of these groups (CMS data updated 2026-10-02).

  • Houston Cardiovascular Assoc PA82 clinicians in the group
  • Memorial City Cardiology Associates PA28 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Katy

Clinicians with the same Medicare primary specialty in Katy, TX — not a recommendation.

All cardiologists in Katy →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932147303
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