Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Peter Dreher, CO

Q: What is the NPI number for Peter Dreher?

The National Provider Identifier (NPI) for Peter Dreher is 1265805519, a Type 1 (individual) record in the CMS NPPES registry.

Orthotist in Chicago, IL · enumerated 2015.

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

National Provider Identifier

1265805519

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Registry record

Entity type Individual (Type 1)

Name Peter Dreher

Credential CO

Sex Male

Practice address Chicago, IL, 60707

Phone (708) 925-5305

Fax (708) 925-5305

Enumeration date Nov 9, 2015

Last updated in NPPES Nov 3, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

224P00000X Prosthetist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 211.000141 (IL) Secondary

222Z00000X Orthotist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 213.000165 (IL) 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 Peter Dreher practice?

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

What is the NPI number for Peter Dreher?

The National Provider Identifier (NPI) for Peter Dreher is 1265805519, a Type 1 (individual) record in the CMS NPPES registry.

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Shubhra Mukherjee Pediatric Rehabilitation Medicine Physician · Chicago, IL NPI 1790770659 Mitchell Grasseschi Plastic Surgery Physician · Chicago, IL NPI 1801863097 Arthur Curtis Otolaryngology Physician · Chicago, IL NPI 1962466417 Kim Hammerberg Orthopaedic Surgery Physician · Chicago, IL NPI 1912925165 Ann Flanagan Physical Therapist · Chicago, IL NPI 1225040850 Shriners Hospitals for Children Children's Hospital · Chicago, IL NPI 1376656538 Kathleen Kapp-Simon Psychologist · Chicago, IL NPI 1891894812 Richard Monahan Oral and Maxillofacial Radiology Dentistry · Chicago, IL NPI 1952438509

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-03.