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SHAHBAIN INTERNAL MEDICINE LTD
NPI 1295924439
Internal Medicine in Palos Heights, IL

Active since October 23, 2007CLIA 14D0998149 · Waiver
12508 S HARLEM AVE, SUITE C, PALOS HEIGHTS, IL 60463(708) 349-0055 Get Directions Write a Review

NPPES record last updated: March 11, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Shahbain Internal Medicine Ltd NPPES

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

SHAHBAIN INTERNAL MEDICINE LTD (NPI 1295924439) is a healthcare organization registered as an internal medicine in Palos Heights, Illinois and active in the NPI registry since October 2007. The organization holds a CLIA Waiver certificate valid through April 7, 2028 and lists Abdul Shahbain, Owner, as its authorized official.

NPPES Registry Identity

NPI1295924439
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSHAHBAIN INTERNAL MEDICINE LTD
Location Address12508 S HARLEM AVE, SUITE CPalos Heights, IL 60463-1597
Mailing Address10660 W 143rd St, Suite BOrland Park, IL 60462-1982 · (708) 460-4499 · Fax (708) 460-8031
Phone(708) 349-0055
Organization SubpartNo
Authorized OfficialAbdul ShahbainOwner · (708) 349-0055
Enumeration DateOctober 23, 2007
Last NPPES UpdateMarch 11, 2011
✔ NPI 1295924439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 36085113
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.
12508 S HARLEM AVE, Palos Heights, IL 60463
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Other Identifiers 5

Medicare UPINF80485IL
Medicare PIN580330IL
Medicaid036085113IL
Other1633951IL · Blue Cross Blue Shield
OtherDA7825IL · Palmetto Rr Medicare

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Shahbain Internal Medicine Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Shahbain Internal Medicine Ltd, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Ghassan Rahhal, MD
Internal Medicine
NPI 1942225909
12508 S HARLEM AVE
Palos Heights, IL 60463
(708) 671-1685
✔ PECOS✔ Accepts MedicareSame address
Sumera Seraj
Nurse Practitioner
NPI 1073065991
12508 S HARLEM AVE
Palos Heights, IL 60463
(708) 671-1685
✔ PECOSSame address
Abdul-Hamid Shahbain, MD
Internal Medicine
NPI 1023032646
12508 S HARLEM AVE SUITE C
Palos Heights, IL 60463
(708) 671-1685
✔ PECOS✔ Accepts MedicareSame address
Shakir Moiduddin, MD
Family Practice
NPI 1295810547
7530 W COLLEGE DR SUITE C
Palos Heights, IL 60463
(708) 361-0911
✔ PECOS✔ Accepts Medicare0.9 mi
Ivona Barton, NP-C
Nurse Practitioner
NPI 1699385088
500 S WEBER RD
Romeoville, IL 60446
(815) 838-0694
✔ PECOS✔ Accepts Medicare17 mi
Lisa Dezoute, APRN, CNP
Nurse Practitioner
NPI 1730569088
675 N SAINT CLAIR ST STE 19-100
Chicago, IL 60611
(312) 664-3278
✔ PECOS✔ Accepts Medicare19 mi
Mark Zenke, MSN APRN FNP-C
Nurse Practitioner
NPI 1801345707
219 BEDFORD RD
Morris, IL 60450
(815) 942-3000
✔ PECOS38 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D0998149

Shahbain Internal Medicine Ltd · Palos Heights, IL
Active · expires Apr 7, 2028
CLIA Number14D0998149
Laboratory TypePhysician Office
Certificate Effective DateApril 8, 2026
Certificate Expiration DateApril 7, 2028
Laboratory DirectorAbdul Hamid Shahbain
Laboratory Phone(708) 671-1685
Laboratory LocationShahbain Internal Medicine Ltd12508 S Harlem Ave, Ste C, Palos Heights, IL 60463
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Shahbain Internal Medicine Ltd's NPI number?

The NPI number for Shahbain Internal Medicine Ltd is 1295924439. It was assigned to this organization in the NPPES registry on October 23, 2007.

Where is Shahbain Internal Medicine Ltd located?

Shahbain Internal Medicine Ltd is located at 12508 S Harlem Ave Suite C, Palos Heights, IL 60463. The listed phone number is (708) 349-0055.

What is Shahbain Internal Medicine Ltd's specialty?

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

Is Shahbain Internal Medicine Ltd enrolled in Medicare?

Yes. Shahbain Internal Medicine Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Shahbain Internal Medicine Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Shahbain Internal Medicine 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. The largest specialties are Nurse Practitioner (4), Internal Medicine (2) and Family Practice (1). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Shahbain Internal Medicine Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0998149) is associated with this NPI, valid through April 7, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Shahbain Internal Medicine Ltd accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Shahbain Internal Medicine Ltd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Shahbain Internal Medicine Ltd was last updated on March 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.