Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gregory Ryan Tollefsen, PA-C, ATC
Physician Assistant in Kearney, NE · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801080734
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Gregory Ryan Tollefsen
Credential PA-C, ATC
Sex Male
Practice address 2810 W 35th St, Suite 1, Kearney, NE, 68845
Phone (308) 865-2570
Enumeration date Sep 4, 2007
Last updated in NPPES Oct 12, 2016
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1644 (NE) 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.
Frequently asked questions
What specialty is Gregory Tollefsen?
Gregory Tollefsen is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → New West Orthopaedic & Sports Rehabilitation LLC Specialist · Kearney, NE NPI 1770586943 Patrick Harrison Orthopaedic Surgery Physician · Kearney, NE NPI 1134192958 Kristi Svec Physical Therapist · Kearney, NE NPI 1538115027 New West Sports Medicine & Orthopaedic Surgery, P.C. Orthopaedic Surgery Physician · Kearney, NE NPI 1922055953 Dustin Frasier Physical Therapist · Kearney, NE NPI 1639126469 Matthew Lewis Physical Therapist · Kearney, NE NPI 1215976469 Daniel Slawski Sports Medicine (Orthopaedic Surgery) Physician · Kearney, NE NPI 1780624874 Heber Crockett Orthopaedic Surgery Physician · Kearney, NE NPI 1669412698
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-12.