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

William R Bartok MD Inc

Organization Specialist · NPI 1225206816

William R Bartok MD Inc is a Specialist in Mission Viejo, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

26302 La Paz Rd Ste 214
Mission Viejo, CA 92691-5313
Phone: (949) 830-9530
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A34073 (CA)

Record details

NPI number1225206816
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Heather Tomlin — Billing Coordinator · (949) 637-3796
NPI enumeratedFebruary 15, 2008
Last updated in NPPESFebruary 15, 2008
Mailing address26302 La Paz Rd, Suite 214, Mission Viejo, CA 92691-5313

Other providers in Mission Viejo