Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Ss Medical Services Professional Corporation

Family Medicine Physician in Downers Grove, IL · enumerated 2007 · authorized official Sitara Sharif, Physician.

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

National Provider Identifier

1831238120

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Registry record

Entity type Organization (Type 2)

Legal business name Ss Medical Services Professional Corporation

Practice address 4121 Fairview Ave Ste L2, Downers Grove, IL, 60515

Phone (630) 968-1700

Fax (630) 968-7103

Enumeration date Feb 5, 2007

Last updated in NPPES Nov 21, 2007

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Sitara Sharif

Title Physician

Phone (630) 968-1700

Other identifiers

Identifier	Type	State	Issuer
02228283	Other	IL	BCBS OF IL

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 is the NPI number for Ss Medical Services Professional Corporation?

The NPI for Ss Medical Services Professional Corporation is 1831238120, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Ss Medical Services Professional Corporation?

NPPES lists Sitara Sharif (Physician) as the authorized official for this organization.

Providers at this address

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Willowbrook Clinic Family Medicine Physician · Downers Grove, IL NPI 1740368927

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-21.