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

Ryan Holub-Ward

Pediatrics Physician in Warren, MI · enumerated 2022.

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

National Provider Identifier

1639815624

Verified

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Registry record

Entity type Individual (Type 1)

Name Ryan Holub-Ward

Sex Male

Practice address Warren, MI, 48088

Phone (586) 558-2111

Fax (586) 558-3665

Enumeration date May 11, 2022

Last updated in NPPES Oct 9, 2025

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

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 5101028873 (MI) 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 Ryan Holub-Ward?

The National Provider Identifier (NPI) for Ryan Holub-Ward is 1639815624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ryan Holub-Ward practice?

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

Other providers at this practice address

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Hilary Cronin Pediatric Nurse Practitioner · Warren, MI NPI 1962740811

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-09.