George M Obrien DO PLLC
NPI 1639360944 · Geriatric Medicine (Family Medicine) Physician · Mesa, AZ
George M Obrien DO PLLC is a Geriatric Medicine (Family Medicine) Physician organization in Mesa, AZ (NPI 1639360944).
Provider details
- NPI number
- 1639360944
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- George O'Brien, Physician(480) 229-2714
- License
- E25929 (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
18 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
- 2007-08-05
- Last updated
- 2013-08-05
Frequently asked questions
- What is George M Obrien DO PLLC's NPI number?
- George M Obrien DO PLLC's National Provider Identifier (NPI) is 1639360944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is George M Obrien DO PLLC?
- George M Obrien DO PLLC is classified in the NPPES registry as Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is George M Obrien DO PLLC located?
- George M Obrien DO PLLC's practice location on file with NPPES is 1840 E University Dr, Mesa, AZ 85203-8237.
- What is George M Obrien DO PLLC's phone number?
- The practice phone number listed in the NPPES registry for George M Obrien DO PLLC is (480) 268-2670.
- Who is the authorized official for George M Obrien DO PLLC?
- The authorized official listed on George M Obrien DO PLLC's NPPES record is George O'Brien, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is George M Obrien DO PLLC's NPI active?
- Yes — George M Obrien DO PLLC's NPI (1639360944) is active in the NPPES registry as of the last update on 2013-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.