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T AHMAD MD SC
NPI 1790078111
Internal Medicine in Marengo, IL

Active since May 18, 2011CLIA 14D0943148 · Waiver
21807 W GRANT HWY, MARENGO, IL 60152(815) 568-1074(815) 568-0134 Get Directions Write a Review

NPPES record last updated: December 14, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About T Ahmad Md Sc NPPES

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

T AHMAD MD SC (NPI 1790078111) is a healthcare organization registered as an internal medicine in Marengo, Illinois and active in the NPI registry since May 2011. The organization holds a CLIA Waiver certificate valid through March 22, 2028 and lists Tanveer Ahmad, Owner, as its authorized official.

NPPES Registry Identity

NPI1790078111
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameT AHMAD MD SC
Location Address21807 W GRANT HWYMarengo, IL 60152-2944
Mailing AddressPo Box 1527Woodstock, IL 60098-1527 · (847) 338-1477
Phone(815) 568-1074
Fax(815) 568-0134
Organization SubpartNo
Authorized OfficialTanveer AhmadOwner · (815) 703-9124
Enumeration DateMay 18, 2011
Last NPPES UpdateDecember 14, 2011
✔ NPI 1790078111 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 · 036072630
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.
21807 W GRANT HWY, Marengo, IL 60152
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Other Identifiers 4

Medicaid036072630IL
Medicare NSC5764420001IL
Medicare PINIL5952IL
Medicare UPIND16183IL

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

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 14D0943148

T Ahmad MD Sc · Marengo, IL
Active · expires Mar 22, 2028
CLIA Number14D0943148
Laboratory TypePhysician Office
Certificate Effective DateMarch 23, 2026
Certificate Expiration DateMarch 22, 2028
Laboratory DirectorTanveer Ahmad
Laboratory Phone(815) 568-1074
Laboratory LocationT Ahmad MD Sc21807 W Grant Hwy, Marengo, IL 60152
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TANVEER AHMAD MD
Internal Medicine
21807 W GRANT HWY
MARENGO, IL 60152
McHenry County (815) 568-1074

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 T Ahmad MD Sc's NPI number?

The NPI number for T Ahmad MD Sc is 1790078111. It was assigned to this organization in the NPPES registry on May 18, 2011.

Where is T Ahmad MD Sc located?

T Ahmad MD Sc is located at 21807 W Grant Hwy, Marengo, IL 60152. The listed phone number is (815) 568-1074.

What is T Ahmad MD Sc's specialty?

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

Does T Ahmad MD Sc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0943148) is associated with this NPI, valid through March 22, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for T Ahmad MD Sc was last updated on December 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.