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MERRIONETTE PARK PHYSICIANS GROUP SC
NPI 1437186954
Internal Medicine in Chicago Ridge, IL

Active since June 28, 2006
9830 RIDGELAND AVE STE 5A, CHICAGO RIDGE, IL 60415(708) 422-6800(708) 422-6888 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Merrionette Park Physicians Group Sc NPPES

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

MERRIONETTE PARK PHYSICIANS GROUP SC (NPI 1437186954) is a healthcare organization registered as an internal medicine in Chicago Ridge, Illinois and active in the NPI registry since June 2006. The organization lists Jerry R Coltro, President, as its authorized official.

NPPES Registry Identity

NPI1437186954
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMERRIONETTE PARK PHYSICIANS GROUP SC
Location Address9830 RIDGELAND AVE STE 5AChicago Ridge, IL 60415-2668
Mailing Address9830 Ridgeland Ave Ste 5aChicago Ridge, IL 60415-2668 · (708) 422-6800 · Fax (708) 422-6888
Phone(708) 422-6800
Fax(708) 422-6888
Organization SubpartNo
Authorized OfficialJerry R ColtroPresident · (708) 422-6800
Enumeration DateJune 28, 2006
Last NPPES UpdateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1437186954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed · 042617755
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License 042617755 (IL)
9830 RIDGELAND AVE STE 5A, Chicago Ridge, IL 60415
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Merrionette Park Physicians Group Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Merrionette Park Physicians Group Sc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Jerry Coltro, M.D.
Internal Medicine
NPI 1962456442
9830 RIDGELAND AVE SUITE 7
Chicago Ridge, IL 60415
(708) 422-6800
✔ PECOS✔ Accepts MedicareSame address
Raymond Weiss, M.D.
Internal Medicine
NPI 1528005634
9830 RIDGELAND AVE SUITE 7
Chicago Ridge, IL 60415
(708) 422-6800
✔ 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 Merrionette Park Physicians Group Sc's NPI number?

The NPI number for Merrionette Park Physicians Group Sc is 1437186954. It was assigned to this organization in the NPPES registry on June 28, 2006.

Where is Merrionette Park Physicians Group Sc located?

Merrionette Park Physicians Group Sc is located at 9830 Ridgeland Ave Ste 5A, Chicago Ridge, IL 60415. The listed phone number is (708) 422-6800.

What is Merrionette Park Physicians Group Sc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Merrionette Park Physicians Group Sc enrolled in Medicare?

Yes. Merrionette Park Physicians Group Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Merrionette Park Physicians Group Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Merrionette Park Physicians Group 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Merrionette Park Physicians Group Sc was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.