Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Brigham City Arthritis Clinic PC

Rheumatology Physician in Brigham City, UT · enumerated 2006 · authorized official Harold Vonk, Physician.

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

National Provider Identifier

1235201526

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Registry record

Entity type Organization (Type 2)

Legal business name Brigham City Arthritis Clinic PC

Practice address 984 South Medical Dr, Suite #3, Brigham City, UT, 84302

Phone (435) 723-5500

Fax (435) 723-5507

Enumeration date Nov 14, 2006

Last updated in NPPES Apr 7, 2011

Taxonomy & classification

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 1695551205 (UT) Primary

Authorized official

Name Harold Vonk

Title Physician

Phone (435) 723-5500

Other identifiers

Identifier	Type	State	Issuer
118919100	Medicaid	WY	-
485484678053	Medicaid	UT	-
806633400	Medicaid	ID	-

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Brigham City Arthritis Clinic PC?

Brigham City Arthritis Clinic PC is registered in NPPES as a Rheumatology Physician (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-07.