Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Internal Medicine, S.C.

Q: What type of organization is Internal Medicine, S.C.?

Internal Medicine, S.C. is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).

Internal Medicine Physician in Oak Lawn, IL · enumerated 2007 · authorized official Richard Mon, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1841317799

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Registry record

Entity type Organization (Type 2)

Legal business name Internal Medicine, S.C.

Practice address 4400 W 95th St, Suite 312, Oak Lawn, IL, 60453

Phone (708) 499-3160

Fax (708) 499-1150

Enumeration date Mar 24, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Richard Mon

Title President

Phone (708) 499-3160

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Internal Medicine, S.C.?

Internal Medicine, S.C. is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.