Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Sean M Obrien DO LLC

Organization Nephrology Physician · NPI 1306029665

Sean M Obrien DO LLC provides Nephrology Physician services 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 Not confirmed with CMS for 17 years — call before visiting
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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