Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

U.S. Healthworks Medical Group of Indiana, PC

Occupational Medicine Physician in South Bend, IN · enumerated 2017 · authorized official Joseph Mallas, President.

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

National Provider Identifier

1174037535

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Registry record

Entity type Organization (Type 2)

Legal business name U.S. Healthworks Medical Group of Indiana, PC

Parent organization U.S. Healthworks Medical Group of Indiana, PC

Practice address 19567 Cleveland Rd, South Bend, IN, 46637

Phone (574) 277-7600

Fax (574) 277-7690

Enumeration date Nov 21, 2017

Last updated in NPPES Nov 21, 2017

Taxonomy & classification

2083X0100X Occupational Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Joseph Mallas

Title President

Phone (661) 678-2600

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 U.S. Healthworks Medical Group of Indiana, PC?

U.S. Healthworks Medical Group of Indiana, PC is registered in NPPES as a Occupational 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 2017-11-21.