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

Ian Van Zyl Bds, DDS, MS & Ewa Konopka, DDS, APC

Organization Dentist · NPI 1114137775

Ian Van Zyl Bds, DDS, MS & Ewa Konopka, DDS, APC is a Dentist in Middletown, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
APC — A professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

21038 Calistoga St
Middletown, CA 95461-1124
Phone: (707) 987-2773
Fax: (707) 987-0688
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 45896 (CA)

Record details

NPI number1114137775
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ewa Konopka — President · (707) 987-2773
Other names Happy Smiles Dental Practice
NPI enumeratedMay 23, 2007
Last updated in NPPESAugust 22, 2020
Mailing address21038 Calistoga St., Middletown, CA 95461-1124

Other providers in Middletown