Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Grant Denherder, ATC

Athletic Trainer in Duluth, MN · enumerated 2015.

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

National Provider Identifier

1811374648

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Registry record

Entity type Individual (Type 1)

Name Grant Denherder

Credential ATC

Sex Male

Practice address 1012 E 2nd St, Duluth, MN, 55805

Phone (507) 327-8838

Enumeration date Apr 30, 2015

Last updated in NPPES Apr 22, 2022

Taxonomy & licenses

2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers 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

What is the NPI number for Grant Denherder?

The National Provider Identifier (NPI) for Grant Denherder is 1811374648, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grant Denherder practice?

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

Other providers at this practice address

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Douglas Kaplan Neurology Physician · Duluth, MN NPI 1588669253 Daniel Billman Pediatrics Physician · Duluth, MN NPI 1902801442 Cynthia Wetmore Pediatrics Physician · Duluth, MN NPI 1184696189 Shawn Mullen Physician Assistant · Duluth, MN NPI 1699730531 David Fogarty Orthopaedic Surgery Physician · Duluth, MN NPI 1508823410 Daniel Cornett Gastroenterology Physician · Duluth, MN NPI 1548228992 Waldo Avello Gastroenterology Physician · Duluth, MN NPI 1922057322 Scott Wolff Emergency Medicine Physician · Duluth, MN NPI 1386694347

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-22.