Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mitchell Robert Tiell, PA

Physician Assistant in Grand Rapids, MI · enumerated 2022.

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

National Provider Identifier

1255057873

Verified

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Registry record

Entity type Individual (Type 1)

Name Mitchell Robert Tiell

Credential PA

Sex Male

Practice address 301 Michigan St Ne, Grand Rapids, MI, 49503

Phone (616) 331-5700

Fax (616) 331-5999

Enumeration date Oct 14, 2022

Last updated in NPPES Jun 11, 2025

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA 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 Mitchell Tiell practice?

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

What is the NPI number for Mitchell Tiell?

The National Provider Identifier (NPI) for Mitchell Tiell is 1255057873, 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 2025-06-11.