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Dr. Guy F Merz, DO

Emergency Medicine Physician in Peoria, AZ · enumerated 2005.

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

National Provider Identifier

1073596003

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Registry record

Entity type Individual (Type 1)
Name Dr. Guy F Merz
Credential DO
Sex Male
Practice address 13660 N 94th Dr Ste C4, Peoria, AZ, 85381
Phone (623) 266-1722
Fax (623) 266-1746
Enumeration date Nov 23, 2005
Last updated in NPPES Feb 24, 2012

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 2710 (AZ) 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
860373636 Other AZ HUMANA GROUP
AZ0728670 Other AZ BLUE CROSS BLUE SHIELD
331372 Medicaid AZ -

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

Where does Guy Merz practice?
The practice location on file with NPPES is in Peoria, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Guy Merz?
The National Provider Identifier (NPI) for Guy Merz is 1073596003, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-24.