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

Jonathan Bui, MD

Internal Medicine Physician in Waterloo, IA · enumerated 2017.

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

National Provider Identifier

1780115964

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Registry record

Entity type Individual (Type 1)

Name Jonathan Bui

Credential MD

Sex Male

Practice address Waterloo, IA, 50702

Phone (319) 272-5000

Fax (319) 272-5282

Enumeration date Mar 21, 2017

Last updated in NPPES Apr 8, 2021

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

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MED-RES-LIC-58298 (MT) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD-48442 (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.

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Frequently asked questions

How do I verify Jonathan Bui's NPI record?

Cross-check NPI 1780115964 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1780115964 active?

Yes, as of the latest NPPES snapshot, NPI 1780115964 is active (record last updated 2021-04-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-08.