Janzen Janzen & Chwa Orthodontics Ltd
NPI 1740306174 · Orthodontics and Dentofacial Orthopedics Dentistry · Northbrook, IL
Janzen Janzen & Chwa Orthodontics Ltd is a Orthodontics and Dentofacial Orthopedics Dentistry organization in Northbrook, IL (NPI 1740306174).
Provider details
- NPI number
- 1740306174
- Entity type
- Organization
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Kyint Chwa, Vice President(847) 272-0600
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
Other names (DBA / former)
- Former legal business name
- Ernst K Janzen DDS Ms & Associates Orthodontics Ltd
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2020-08-22
Frequently asked questions
- What is Janzen Janzen & Chwa Orthodontics Ltd's NPI number?
- Janzen Janzen & Chwa Orthodontics Ltd's National Provider Identifier (NPI) is 1740306174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Janzen Janzen & Chwa Orthodontics Ltd?
- Janzen Janzen & Chwa Orthodontics Ltd is classified in the NPPES registry as Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Janzen Janzen & Chwa Orthodontics Ltd located?
- Janzen Janzen & Chwa Orthodontics Ltd's practice location on file with NPPES is 1220 Meadow Road, Northbrook, IL 60062-9998.
- What is Janzen Janzen & Chwa Orthodontics Ltd's phone number?
- The practice phone number listed in the NPPES registry for Janzen Janzen & Chwa Orthodontics Ltd is (847) 272-0600.
- Who is the authorized official for Janzen Janzen & Chwa Orthodontics Ltd?
- The authorized official listed on Janzen Janzen & Chwa Orthodontics Ltd's NPPES record is Kyint Chwa, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Janzen Janzen & Chwa Orthodontics Ltd's NPI active?
- Yes — Janzen Janzen & Chwa Orthodontics Ltd's NPI (1740306174) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.