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LAKE FOREST INTERNAL MEDICINE, LTD
NPI 1871786731
Internal Medicine in Libertyville, IL

Active since August 23, 2007CLIA 14D0993499 · Microscopy
1800 HOLLISTER DR, STE 211, LIBERTYVILLE, IL 60048(847) 816-3084(847) 816-0031 Get Directions Write a Review

NPPES record last updated: October 24, 2012. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Lake Forest Internal Medicine, Ltd NPPES

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

LAKE FOREST INTERNAL MEDICINE, LTD (NPI 1871786731) is a healthcare organization registered as an internal medicine in Libertyville, Illinois and active in the NPI registry since August 2007. The organization holds a CLIA Microscopy certificate valid through November 14, 2027 and lists Elliot F Miller, Vice President/ Treasurer, as its authorized official.

NPPES Registry Identity

NPI1871786731
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLAKE FOREST INTERNAL MEDICINE, LTD
Location Address1800 HOLLISTER DR, STE 211Libertyville, IL 60048-5263
Mailing Address1800 Hollister Dr, Ste 211Libertyville, IL 60048-5263 · (847) 816-3084 · Fax (847) 816-0031
Phone(847) 816-3084
Fax(847) 816-0031
Organization SubpartNo
Authorized OfficialElliot F MillerVice President/ Treasurer · (847) 816-3084
Enumeration DateAugust 23, 2007
Last NPPES UpdateOctober 24, 2012
✔ NPI 1871786731 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 · 042617582
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.

1800 HOLLISTER DR, Libertyville, IL 60048
Open in Google Maps ↗

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 for Provider-Performed Microscopy Procedures (PPMP) 14D0993499

Lake Forest Internal Medicine · Libertyville, IL
Active · expires Nov 14, 2027
CLIA Number14D0993499
Laboratory TypePhysician Office
Certificate Effective DateNovember 15, 2025
Certificate Expiration DateNovember 14, 2027
Laboratory DirectorMark W. Riederman MD
Laboratory Phone(847) 816-3084
Laboratory LocationLake Forest Internal Medicine1800 Hollister Drive Suite 211, Libertyville, IL 60048
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 20

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

DR. RONALD LEE FREEMAN M.D.
Ophthalmology
1800 HOLLISTER DR, SUITE 205
LIBERTYVILLE, IL 60048
Lake County (847) 573-9055
RENI S. BUTLER M.D.
Radiology (Diagnostic Radiology)
1800 HOLLISTER DR, SUITE G-18
LIBERTYVILLE, IL 60048
Lake County (847) 918-1462
MS. LISA D'ANDREA PA-C
Physician Assistant (Medical)
1800 HOLLISTER DR, SUITE 102
LIBERTYVILLE, IL 60048
Lake County (847) 680-3666
DR. LISA ANNE NEWMAN MD
Family Medicine
1800 HOLLISTER DR, SUITE 102
LIBERTYVILLE, IL 60048
Lake County (847) 680-3666
MRS. ELIZA EVA M. GRANT CNP
Nurse Practitioner (Family)
1800 HOLLISTER DR, SUITE 102
LIBERTYVILLE, IL 60048
Lake County (847) 680-3666
GLOBAL MEDICAL IMAGING, SC
Radiology (Diagnostic Radiology)
1800 HOLLISTER DR, SUITE G-18
LIBERTYVILLE, IL 60048
Lake County (847) 918-1462
NORTH SHORE ONCOLOGY-HEMATOLOGY ASSOCIATES, LTD.
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR, SUITE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
DR. ROBERT AARON BREIT M.D.
Radiology (Neuroradiology)
1800 HOLLISTER DR, SUITE G-18
LIBERTYVILLE, IL 60048
Lake County (847) 918-1462

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 Lake Forest Internal Medicine, Ltd's NPI number?

The NPI number for Lake Forest Internal Medicine, Ltd is 1871786731. It was assigned to this organization in the NPPES registry on August 23, 2007.

Where is Lake Forest Internal Medicine, Ltd located?

Lake Forest Internal Medicine, Ltd is located at 1800 Hollister Dr Ste 211, Libertyville, IL 60048. The listed phone number is (847) 816-3084.

What is Lake Forest Internal Medicine, Ltd's specialty?

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

Does Lake Forest Internal Medicine, Ltd hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 14D0993499) is associated with this NPI, valid through November 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 Lake Forest Internal Medicine, Ltd was last updated on October 24, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.