1. Home
  2. Directory
  3. Illinois
  4. Orland Park
  5. Internal Medicine
  6. NPI Profile

ILLINOIS MEDICAL ASSOCIATES PC
NPI 1437031416
Internal Medicine in Orland Park, IL

Active since July 22, 2025CLIA 14D2332202 · Waiver
14489 JOHN HUMPHREY DR STE 100, ORLAND PARK, IL 60462(708) 906-0741 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 23, 2026, Apr 17, 2026 (2 updates tracked since 2026).

About Illinois Medical Associates Pc NPPES

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

ILLINOIS MEDICAL ASSOCIATES PC (NPI 1437031416) is a healthcare organization registered as an internal medicine in Orland Park, Illinois and active in the NPI registry since July 2025. The organization holds a CLIA Waiver certificate valid through October 14, 2027 and lists Sundar Sivaprakasam, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1437031416
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameILLINOIS MEDICAL ASSOCIATES PC
Location Address14489 JOHN HUMPHREY DR STE 100Orland Park, IL 60462-6209
Mailing Address14489 John Humphrey Dr Ste 100Orland Park, IL 60462-6209
Phone(708) 906-0741
Organization SubpartNo
Authorized OfficialSundar SivaprakasamMedical Director · (708) 906-0741
Enumeration DateJuly 22, 2025
Last NPPES UpdateApril 23, 20262 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1437031416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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 ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
14489 JOHN HUMPHREY DR STE 100, Orland Park, IL 60462
Open in Google Maps ↗

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

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 14D2332202

Illinois Medical Associates PC · Orland Park, IL
Active · expires Oct 14, 2027
CLIA Number14D2332202
Laboratory TypePhysician Office
Certificate Effective DateOctober 15, 2025
Certificate Expiration DateOctober 14, 2027
Laboratory DirectorSivaprakasam Sundar
Laboratory Phone(708) 855-8906
Laboratory LocationIllinois Medical Associates PC14489 John Humphrey Dr - Ste 100, Orland Park, IL 60462
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 Illinois Medical Associates PC's NPI number?

The NPI number for Illinois Medical Associates PC is 1437031416. It was assigned to this organization in the NPPES registry on July 22, 2025.

Where is Illinois Medical Associates PC located?

Illinois Medical Associates PC is located at 14489 John Humphrey Dr Ste 100, Orland Park, IL 60462. The listed phone number is (708) 906-0741.

What is Illinois Medical Associates PC's specialty?

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

Does Illinois Medical Associates PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2332202) is associated with this NPI, valid through October 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Illinois Medical Associates PC was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.