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

Dr Mark S Castor DDS

Organization General Practice Dentistry · NPI 1164649950

Dr Mark S Castor DDS is a General Practice Dentistry in Austin, Texas. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

1221 W Ben White Blvd Ste 207 A
Austin, TX 78704-6888
Phone: (512) 441-7777
Fax: (512) 441-7632
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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 number1164649950
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Castor — Doctor · (512) 441-7777
NPI enumeratedApril 20, 2007
Last updated in NPPESDecember 26, 2007
Mailing address1221 W Ben White Blvd, Suite 207 A, Austin, TX 78704-6888

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