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Cardiovascular Disease (Cardiology)

Julio E. Perez, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Belleville, IL · Missouri, Illinois

Summary

Julio E. Perez, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 4 hospitals in Saint Louis, MO, Creve Coeur, MO and Belleville, IL. NPI 1770506792. 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 Julio E. Perez, 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
53Years since medical school (graduated 1973)
University Of Puerto Rico School Of MedicineMedical school
MaleGender (as listed)
Washington UniversityGroup practice (+1 more)

Quick answers

Which hospitals does Julio E. Perez work at?
Medicare's official clinician data lists Julio E. Perez at 4 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Memorial Hospital and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Julio E. Perez see patients?
Medicare's clinician data lists 7 practice locations, including Saint Louis, MO and Creve Coeur, MO. Call before your visit to confirm the address.
What is Julio E. Perez's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Julio E. Perez accept Medicare assignment?
Yes. Medicare's clinician data says Julio E. Perez 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 Julio E. Perez?
(314) 747-3000, as listed in official Medicare / NPI Registry data.
What is Julio E. Perez's NPI number?
1770506792. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Julio E. Perez works

Medicare's Facility Affiliation Data lists Julio E. Perez 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 Julio E. Perez is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Julio E. Perez as a member of these groups (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group
  • Heart Care Institute LLC18 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Missouri →

Other cardiologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All cardiologists in Saint Louis →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770506792
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