Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Steven Charles Dillman, RPA

Medical Physician Assistant in Webster, NY · enumerated 2009.

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

National Provider Identifier

1235378225

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Registry record

Entity type Individual (Type 1)

Name Mr. Steven Charles Dillman

Credential RPA

Sex Male

Practice address 800 Phillips Rd, Bldg. 208-03e, Webster, NY, 14580

Phone (585) 422-2155

Fax (585) 422-9581

Enumeration date Feb 13, 2009

Last updated in NPPES Feb 13, 2009

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002823 (NY) Primary

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 Steven Dillman practice?

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

What is the NPI number for Steven Dillman?

The National Provider Identifier (NPI) for Steven Dillman is 1235378225, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-13.