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

William M. Petersen, DDS, PC

Organization General Practice Dentistry · NPI 1053521393

William M. Petersen, DDS, PC provides General Practice Dentistry in Spokane, Washington. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2532 W Francis Ave
Spokane, WA 99205-7012 Not confirmed with CMS for 18 years — call before visiting
Phone: (509) 325-4227
Fax: (509) 326-7180
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X

Record details

NPI number1053521393
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Petersen — President · (509) 325-4227
Other names The Old Firehouse Dental Office
NPI enumeratedMay 23, 2007
Last updated in NPPESJune 17, 2008
Mailing address2532 W Francis Ave, Spokane, WA 99205-7012

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