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GRAYSLAKE MEDICAL GROUP, LLC
NPI 1437236015
Internal Medicine in Libertyville, IL

Active since November 01, 2006CLIA 14D1082829 · Waiver
900 TECHNOLOGY WAY STE 230, LIBERTYVILLE, IL 60048(847) 548-8269(847) 548-8969 Get Directions Write a Review

NPPES record last updated: September 18, 2018. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Grayslake Medical Group, Llc NPPES

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

GRAYSLAKE MEDICAL GROUP, LLC (NPI 1437236015) is a healthcare organization registered as an internal medicine in Libertyville, Illinois and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through April 20, 2028 and lists Robert Romanelli, President, as its authorized official.

NPPES Registry Identity

NPI1437236015
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGRAYSLAKE MEDICAL GROUP, LLC
Location Address900 TECHNOLOGY WAY STE 230Libertyville, IL 60048-5364
Mailing Address900 Technology Way Ste 230Libertyville, IL 60048-5364 · (847) 548-8269 · Fax (847) 548-8969
Phone(847) 548-8269
Fax(847) 548-8969
Organization SubpartNo
Authorized OfficialRobert RomanelliPresident · (847) 548-8269
Enumeration DateNovember 1, 2006
Last NPPES UpdateSeptember 18, 2018
✔ NPI 1437236015 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 · 036095667
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.
900 TECHNOLOGY WAY STE 230, Libertyville, IL 60048
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Other Identifiers 1

Other1144208554IL · Npi/individual

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 14D1082829

Grayslake Medical Group/Robert Romanelli MD · Libertyville, IL
Active · expires Apr 20, 2028
CLIA Number14D1082829
Laboratory TypePhysician Office
Certificate Effective DateApril 21, 2026
Certificate Expiration DateApril 20, 2028
Laboratory DirectorRobert Romanelli M D
Laboratory Phone(847) 548-8269
Laboratory LocationGrayslake Medical Group/Robert Romanelli MD900 Technology Way, Ste 230, Libertyville, IL 60048
CLIA data matches this NPI record on: Address Name Phone
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 Grayslake Medical Group, LLC's NPI number?

The NPI number for Grayslake Medical Group, LLC is 1437236015. It was assigned to this organization in the NPPES registry on November 1, 2006.

Where is Grayslake Medical Group, LLC located?

Grayslake Medical Group, LLC is located at 900 Technology Way Ste 230, Libertyville, IL 60048. The listed phone number is (847) 548-8269.

What is Grayslake Medical Group, LLC's specialty?

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

Does Grayslake Medical Group, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1082829) is associated with this NPI, valid through April 20, 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 Grayslake Medical Group, LLC was last updated on September 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.