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George O'Brien, D.O.
NPI 1235299579 · Family Medicine Physician · Mesa, AZ
George O'Brien, D.O. is a Family Medicine Physician provider in Mesa, AZ (NPI 1235299579).
Provider details
- NPI number
- 1235299579
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- AZ2918 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
7445 E Eagle Crest Dr Unit 1028
Mesa, AZ 85207-1027
Phone: (480) 981-7400
Fax: (480) 396-6231
Street-level locationGet directions
Mailing address
7445 E Eagle Crest Dr
Mesa, AZ 85207-1026
Registry dates
- Enumerated
- 2006-12-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is George O'Brien's NPI number?
- George O'Brien's National Provider Identifier (NPI) is 1235299579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George O'Brien's specialty?
- George O'Brien is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George O'Brien located?
- George O'Brien's practice location on file with NPPES is 7445 E Eagle Crest Dr Unit 1028, Mesa, AZ 85207-1027.
- What is George O'Brien's phone number?
- The practice phone number listed in the NPPES registry for George O'Brien is (480) 981-7400.
- Is George O'Brien's NPI active?
- Yes — George O'Brien's NPI (1235299579) 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.