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

Dr. William Patrick O'Brien, DDS

Individual provider Dentist · NPI 1326125196

Dr. William Patrick O'Brien, DDS is a Dentist in Saint Peter, Minnesota. Licensed in Minnesota. Registered with an NPI since 2006.

Licensed in
MN
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

217 Nassau St
Saint Peter, MN 56082-2055
Phone: (507) 931-5646
Fax: (507) 934-0148
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 7835 (MN)

Record details

NPI number1326125196
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing address217 Nassau St, Saint Peter, MN 56082-2055

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