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

David Mason PHD PC

Organization Audiologist · NPI 1043244650

David Mason PHD PC is an Audiologist in Clayton, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

950 Francis Pl Ste 200
Clayton, MO 63105-2465
Phone: (314) 725-2686
Fax: (314) 725-2680
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 01496 (MO)
Hearing Instrument Specialist Taxonomy 237700000X · Licence 201191 (MO)

Record details

NPI number1043244650
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Mason — President · (314) 725-2686
NPI enumeratedJuly 10, 2006
Last updated in NPPESApril 23, 2015
Mailing address950 Francis Pl, Suite 200, Clayton, MO 63105-2465