George Siersma, DDS MS
NPI 1669582631 · Orthodontics and Dentofacial Orthopedics Dentistry · Aurora, CO
George Siersma, DDS MS is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Aurora, CO (NPI 1669582631).
Provider details
- NPI number
- 1669582631
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DDS MS
- Sex
- Male
- Sole proprietor
- No
- License
- 3705 (CO)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2021-06-14
- Certified
- 2021-06-14
Frequently asked questions
- What is George Siersma's NPI number?
- George Siersma's National Provider Identifier (NPI) is 1669582631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Siersma's specialty?
- George Siersma is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is George Siersma located?
- George Siersma's practice location on file with NPPES is 14025 E Exposition Ave, Aurora, CO 80012-2522.
- What is George Siersma's phone number?
- The practice phone number listed in the NPPES registry for George Siersma is (303) 340-0422.
- Is George Siersma's NPI active?
- Yes — George Siersma's NPI (1669582631) is active in the NPPES registry as of the last update on 2021-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.