ST JOHN HEART CLINIC SC
NPI 1275651317
Internal Medicine - Cardiovascular Disease in Chicago, IL

Active since March 27, 2007
820 N ASHLAND AVE, CHICAGO, IL 60622(312) 733-4000 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About St John Heart Clinic Sc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ST JOHN HEART CLINIC SC (NPI 1275651317) is a healthcare organization registered as a cardiovascular disease in Chicago, Illinois and active in the NPI registry since March 2007. The organization lists John Pascual Monteverde, President, as its authorized official.

NPPES Registry Identity

NPI1275651317
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameST JOHN HEART CLINIC SC
Location Address820 N ASHLAND AVEChicago, IL 60622-5101
Mailing Address218 Indian Trail RdOak Brook, IL 60523-2796
Organization SubpartNo
Authorized OfficialJohn Pascual MonteverdePresident · (312) 733-4000
Enumeration DateMarch 27, 2007
Last NPPES UpdateJuly 21, 2025
NPPES CertifiedJuly 21, 2025
✔ NPI 1275651317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
820 N ASHLAND AVE, Chicago, IL 60622

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

St John Heart Clinic Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to St John Heart Clinic Sc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Interventional Cardiology
NPI 1558384305
820 N ASHLAND AVE
Chicago, IL 60622
(312) 733-4000
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is St John Heart Clinic Sc's NPI number?

The NPI number for St John Heart Clinic Sc is 1275651317. It was assigned to this organization in the NPPES registry on March 27, 2007.

Where is St John Heart Clinic Sc located?

St John Heart Clinic Sc is located at 820 N Ashland Ave, Chicago, IL 60622. The listed phone number is (312) 733-4000.

What is St John Heart Clinic Sc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is St John Heart Clinic Sc enrolled in Medicare?

Yes. St John Heart Clinic Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through St John Heart Clinic Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Interventional Cardiology) reassigns their Medicare billing to St John Heart Clinic Sc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for St John Heart Clinic Sc was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.