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Edit this profileAt a glance
- 3231 N Grand Ave, Nogales, AZ 85621
About Dr. O'brien
Sean M. O'Brien, D.O. is a healthcare provider in Nogales, AZ specializing in internal medicine. Sean trained at At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1990. Sean is also listed as specializing in nephrology. This provider record is associated with NPI 1912994500.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (520) 281-1550
- Email not available
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Practice Locations
3231 N GRAND AVE
Nogales, AZ 85621
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other internists in Nogales 4
Same specialty, same city.
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1990 at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Sean M. O'Brien specialize in?
Sean M. O'Brien is an internist in Nogales, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Sean M. O'Brien located?
Sean M. O'Brien is listed at 3231 N Grand Ave, Nogales, AZ 85621. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Sean M. O'Brien's phone number?
The number on file is (520) 281-1550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Sean M. O'Brien's NPI number?
Sean M. O'Brien's National Provider Identifier is 1912994500. 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
Where did Sean M. O'Brien train?
Sean M. O'Brien attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Sean M. O'Brien been practicing?
Sean M. O'Brien has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
Has Sean M. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Sean M. O'Brien. If this is you, claiming it is free.
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