Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Mueller, MD

Emergency Medicine Physician in Maywood, IL · enumerated 2006 · practices at Loyola University Medical Center.

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

National Provider Identifier

1841279114

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Registry record

Entity type Individual (Type 1)

Name Joseph Mueller

Credential MD

Sex Male

Practice address 2160 S First Ave, Ems Bldg., Rm. 2700, Maywood, IL, 60153

Phone (708) 327-2700

Fax (708) 327-3474

Enumeration date Jan 13, 2006

Last updated in NPPES May 13, 2021

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 36077504 (IL) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 36077504 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Joseph Mueller?

The National Provider Identifier (NPI) for Joseph Mueller is 1841279114, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Mueller practice?

The practice location on file with NPPES is in Maywood, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-13.