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MOUNT VERNON HEART INSTITUTE LTD
NPI 1033241641
Internal Medicine - Cardiovascular Disease in Mount Vernon, IL

Active since March 09, 2007
4204 WILLIAMSON PL, MOUNT VERNON, IL 62864(618) 244-2525(618) 244-3666 Get Directions Write a Review

NPPES record last updated: May 7, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mount Vernon Heart Institute Ltd NPPES

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

MOUNT VERNON HEART INSTITUTE LTD (NPI 1033241641) is a healthcare organization registered as a cardiovascular disease in Mount Vernon, Illinois and active in the NPI registry since March 2007. The organization lists Mohammed Haseeb, President, as its authorized official.

NPPES Registry Identity

NPI1033241641
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameMOUNT VERNON HEART INSTITUTE LTD
Location Address4204 WILLIAMSON PLMount Vernon, IL 62864-6705
Mailing AddressPo Box 789Mount Vernon, IL 62864-0016 · (618) 244-2525 · Fax (618) 244-3666
Phone(618) 244-2525
Fax(618) 244-3666
Organization SubpartNo
Authorized OfficialMohammed HaseebPresident · (618) 244-2525
Enumeration DateMarch 9, 2007
Last NPPES UpdateMay 7, 2013
✔ NPI 1033241641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IL · 042618010
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.
4204 WILLIAMSON PL, Mount Vernon, IL 62864
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Other Identifiers 1

Medicare ID-Type Unspecified211905IL

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)

Mount Vernon Heart Institute Ltd 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 Mount Vernon Heart Institute Ltd, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mohammed Haseeb, M.D.
Cardiovascular Disease (Cardiology)
NPI 1275692238
4204 WILLIAMSON PL
Mount Vernon, IL 62864
(618) 244-2525
✔ 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 Mount Vernon Heart Institute Ltd's NPI number?

The NPI number for Mount Vernon Heart Institute Ltd is 1033241641. It was assigned to this organization in the NPPES registry on March 9, 2007.

Where is Mount Vernon Heart Institute Ltd located?

Mount Vernon Heart Institute Ltd is located at 4204 Williamson Pl, Mount Vernon, IL 62864. The listed phone number is (618) 244-2525.

What is Mount Vernon Heart Institute Ltd's specialty?

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

Is Mount Vernon Heart Institute Ltd enrolled in Medicare?

Yes. Mount Vernon Heart Institute Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mount Vernon Heart Institute Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Mount Vernon Heart Institute Ltd. 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 Mount Vernon Heart Institute Ltd was last updated on May 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.