Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Sean M Obrien DO LLC

Organization Nephrology Physician · NPI 1306029665

Sean M Obrien DO LLC is a Nephrology Physician in Tucson, Arizona. Licensed in Arizona. Registered with an NPI since 2007.

Licensed in
AZ
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4713 N 1st Ave
Tucson, AZ 85718-5610
Phone: (520) 229-3400
Fax: (520) 229-3416
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 2883 (AZ)

Record details

NPI number1306029665
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sean Obrien — President · (520) 229-3400
NPI enumeratedDecember 10, 2007
Last updated in NPPESSeptember 21, 2009
Mailing addressPo Box 65018, Tucson, AZ 85728-5018

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