Guy Merz, DO
NPI 1073596003 · Emergency Medicine Physician · Peoria, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Merz, DO is a Emergency Medicine Physician provider in Peoria, AZ (NPI 1073596003).
Provider details
- NPI number
- 1073596003
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 2710 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-23
- Last updated
- 2012-02-24
Frequently asked questions
- What is Guy Merz's NPI number?
- Guy Merz's National Provider Identifier (NPI) is 1073596003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Merz's specialty?
- Guy Merz is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Merz located?
- Guy Merz's practice location on file with NPPES is 13660 N 94th Dr Ste C4, Peoria, AZ 85381-4841.
- What is Guy Merz's phone number?
- The practice phone number listed in the NPPES registry for Guy Merz is (623) 266-1722.
- Does Guy Merz accept Medicare?
- Guy Merz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Merz's NPI active?
- Yes — Guy Merz's NPI (1073596003) is active in the NPPES registry as of the last update on 2012-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.