Physician Profile
Unclaimed ProfileAbout O'BRIEN
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Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (623) 691-4815
- Email not available
Practice Locations
2252 N 55TH AVE
Phoenix, AZ 85035
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other medical trainees in Phoenix 8
Same specialty, same city.
Common questions
What is Dr. O'Brien's specialty?
Dr. O'Brien is a medical trainee in Phoenix, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Student in an Organized Health Care Education Program”.
NPI registry
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 2252 N 55TH AVE, Phoenix, AZ 85035. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Brien?
The number on file is (623) 691-4815. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1306088448. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. O'Brien been practicing?
Dr. O'Brien has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.