Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ioannis Theodoropoulos, M.D.

Contractor in Philadelphia, PA · enumerated 2008.

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

National Provider Identifier

1083874861

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Registry record

Entity type Individual (Type 1)

Name Dr. Ioannis Theodoropoulos

Credential M.D.

Sex Male

Practice address 230 N Broad St, Philadelphia, PA, 19102

Phone (215) 762-7000

Fax (215) 762-3585

Enumeration date Jun 14, 2008

Last updated in NPPES Jun 14, 2008

Taxonomy & licenses

171W00000X Contractor Other Service Providers · License MT 186555 (PA) 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

Where does Ioannis Theodoropoulos practice?

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

What is the NPI number for Ioannis Theodoropoulos?

The National Provider Identifier (NPI) for Ioannis Theodoropoulos is 1083874861, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-14.