IndividualActive
Gary Petersen, MD
NPI 1831168509 · Emergency Medicine Physician · Mesa, AZ
Gary Petersen, MD is a Emergency Medicine Physician provider in Mesa, AZ (NPI 1831168509).
Provider details
- NPI number
- 1831168509
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 10050 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1400 S Dobson Rd
Mesa, AZ 85202
Phone: (480) 456-9500
Fax: (480) 820-7623
Street-level locationGet directions
Mailing address
Po Box 7127
Phoenix, AZ 85011-7127
Registry dates
- Enumerated
- 2006-03-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Petersen's NPI number?
- Gary Petersen's National Provider Identifier (NPI) is 1831168509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Petersen's specialty?
- Gary Petersen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Petersen located?
- Gary Petersen's practice location on file with NPPES is 1400 S Dobson Rd, Mesa, AZ 85202.
- What is Gary Petersen's phone number?
- The practice phone number listed in the NPPES registry for Gary Petersen is (480) 456-9500.
- Is Gary Petersen's NPI active?
- Yes — Gary Petersen's NPI (1831168509) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.