1. Home
  2. Directory
  3. Illinois
  4. Lake Forest
  5. Internal Medicine
  6. NPI Profile

RICHARD J SIEBERT, M.D.,S,C.
NPI 1003022088
Internal Medicine in Lake Forest, IL

Active since May 15, 2007
700 N WESTMORELAND RD STE B, LAKE FOREST, IL 60045(847) 234-8808 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Richard J Siebert, M.d.,s,c. NPPES

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

RICHARD J SIEBERT, M.D.,S,C. (NPI 1003022088) is a healthcare organization registered as an internal medicine in Lake Forest, Illinois and active in the NPI registry since May 2007. The organization lists Richard J Siebert, President, as its authorized official.

NPPES Registry Identity

NPI1003022088
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameRICHARD J SIEBERT, M.D.,S,C.
Location Address700 N WESTMORELAND RD STE BLake Forest, IL 60045-1672
Mailing Address700 N Westmoreland Rd Ste BLake Forest, IL 60045-1672 · (847) 234-8808
Phone(847) 234-8808
Organization SubpartNo
Authorized OfficialRichard J SiebertPresident · (847) 234-8808
Enumeration DateMay 15, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1003022088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
700 N WESTMORELAND RD STE B, Lake Forest, IL 60045
Open in Google Maps ↗

Other Identifiers 1

Other4900663IL · Blue Shield

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

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 Richard J Siebert, M.D.,s,c.'s NPI number?

The NPI number for Richard J Siebert, M.D.,s,c. is 1003022088. It was assigned to this organization in the NPPES registry on May 15, 2007.

Where is Richard J Siebert, M.D.,s,c. located?

Richard J Siebert, M.D.,s,c. is located at 700 N Westmoreland Rd Ste B, Lake Forest, IL 60045. The listed phone number is (847) 234-8808.

What is Richard J Siebert, M.D.,s,c.'s specialty?

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

When was this NPI record last updated?

The NPPES record for Richard J Siebert, M.D.,s,c. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.