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