Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isaac A Troiano, DO

Emergency Medicine Physician in Waupaca, WI · enumerated 2016.

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

National Provider Identifier

1437506268

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Registry record

Entity type Individual (Type 1)

Name Isaac A Troiano

Credential DO

Sex Male

Practice address 800 Riverside Dr, Waupaca, WI, 54981

Phone (715) 258-1041

Fax (715) 258-1042

Enumeration date May 23, 2016

Last updated in NPPES Dec 3, 2025

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 75133-21 (WI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
64693	Other	CT	PHYSICIAN LICENSE
CSP.0072943	Other	CT	CONTROLLED SUBSTANCE

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 Isaac Troiano's NPI record?

Cross-check NPI 1437506268 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1437506268 active?

Yes, as of the latest NPPES snapshot, NPI 1437506268 is active (record last updated 2025-12-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-03.