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Sarah Johnson, RDH
NPI 1689742231 · Dental Hygienist · Downers Grove, IL
Sarah Johnson, RDH is a Dental Hygienist provider in Downers Grove, IL (NPI 1689742231).
Provider details
- NPI number
- 1689742231
- Entity type
- Individual
- Primary specialty
- Dental HygienistDental Providers
- Credential
- RDH
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(84/100 index)
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
83% 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
6800 S Main St
Grove Dental Assoc
Downers Grove, IL 60516
Phone: (630) 969-5350
Fax: (630) 969-4692
Street-level locationGet directions
Mailing address
3828 Cherry Tree Ct
Joliet, IL 60435
Registry dates
- Enumerated
- 2006-12-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sarah Johnson's NPI number?
- Sarah Johnson's National Provider Identifier (NPI) is 1689742231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Johnson's specialty?
- Sarah Johnson is listed in the NPPES registry with a primary specialty of Dental Hygienist (Dental Providers).
- Where is Sarah Johnson located?
- Sarah Johnson's practice location on file with NPPES is 6800 S Main St, Downers Grove, IL 60516.
- What is Sarah Johnson's phone number?
- The practice phone number listed in the NPPES registry for Sarah Johnson is (630) 969-5350.
- Is Sarah Johnson's NPI active?
- Yes — Sarah Johnson's NPI (1689742231) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.