Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Jonathan D. Sierk, DDS, PC

Organization Pediatric Dentistry · NPI 1689257917

Jonathan D. Sierk, DDS, PC provides Pediatric Dentistry in Highlands Ranch, Colorado. Registered with an NPI since 2021.

In the registry since
2021
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

6660 Timberline Rd Ste 240
Highlands Ranch, CO 80130-5345
Phone: (303) 865-4066
Fax: (303) 865-4067
Show map & directions

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

Specialties & licences

Pediatric Dentistry (primary) Taxonomy 1223P0221X

Record details

NPI number1689257917
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jonathan Sierk — Dentist/Owner · (303) 865-4066
Other names Sierk Children'S Dentistry
NPI enumeratedMay 4, 2021
Last updated in NPPESMay 4, 2021
Certification dateMay 4, 2021
Mailing address6660 Timberline Rd Ste 240, Highlands Ranch, CO 80130-5345

Other providers in Highlands Ranch