Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher R Welder, MD

Diagnostic Radiology Physician in Cedar Rapids, IA · enumerated 2016.

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

National Provider Identifier

1477903144

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher R Welder

Credential MD

Sex Male

Practice address 1948 1st Ave Ne, Cedar Rapids, IA, 52402

Phone (319) 364-0121

Enumeration date Jun 14, 2016

Last updated in NPPES Jun 28, 2022

Taxonomy & licenses

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License MD-48764 (IA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD-48764 (IA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What is the NPI number for Christopher Welder?

The National Provider Identifier (NPI) for Christopher Welder is 1477903144, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Welder practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-28.