A fast, free, no-login way to look up any U.S. healthcare provider in the federal NPPES registry.

Lookups

NPI Lookup
NPI Registry
By Specialty
By State

Resources

Guides
For Providers / API
Data Sources
About

Legal

Privacy
Terms
Correct a record

Data is sourced from the public NPPES (National Plan and Provider Enumeration System) registry published by CMS. NPI Central is not affiliated with, or endorsed by, CMSor any healthcare provider. Information is provided “as is” for general reference and is not medical advice.

FCRA notice: NPI Central is not a consumer reporting agency. This information may not be used to determine eligibility for employment, credentialing, insurance, or any other purpose covered by the Fair Credit Reporting Act.

© 2026 NPI Central. All rights reserved.

Brian Gerrelts, MD — NPI 1003869397, Waterloo, IA | NPI Central

Home/
NPI Lookup/
IA/
NPI 1003869397

IndividualActive

Brian Gerrelts, MD

NPI 1003869397 · Surgery Physician · Waterloo, IA

Provider details

NPI number: 1003869397
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 29250 (IA)

Practice location

1753 W Ridgeway Ave

Ste 107

Waterloo, IA 50701-4588

Phone: (319) 833-5907

Fax: (319) 833-5908

More IA providers

Mailing address

Po Box 2758

Waterloo, IA 50704-2758

Registry dates

Enumerated: 2006-05-18
Last updated: 2022-02-04

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.