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Mr. David Roy Demask, CRNA

Certified Registered Nurse Anesthetist in Tomah, WI · enumerated 2007.

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

National Provider Identifier

1275678468

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Registry record

Entity type Individual (Type 1)
Name Mr. David Roy Demask
Credential CRNA
Sex Male
Practice address 501 Gopher Dr, Tomah, WI, 54660
Enumeration date Feb 21, 2007
Last updated in NPPES Jan 14, 2021

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 264 (WI) Primary
CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier Type State Issuer
264 Other WI LICENSE NUMBER
43290200 Medicaid WI -

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

What is the NPI number for David Demask?
The National Provider Identifier (NPI) for David Demask is 1275678468, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Demask practice?
The practice location on file with NPPES is in Tomah, WI. 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 2021-01-14.