OrganizationActive
F&j Tan, LLC D/B/A Smiles on Cass
NPI 1477985349 · General Practice Dentistry · Darien, IL
F&j Tan, LLC D/B/A Smiles on Cass is a General Practice Dentistry organization in Darien, IL (NPI 1477985349).
Provider details
- NPI number
- 1477985349
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Jennifer Tan, Officer(630) 605-0837
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
7339 Cass Ave
Darien, IL 60561-3660
Phone: (331) 481-9302
Street-level locationGet directions
Mailing address
7339 S. Cass Ave
Darien, IL 60561-1501
Registry dates
- Enumerated
- 2013-08-02
- Last updated
- 2015-07-13
Frequently asked questions
- What is F&j Tan, LLC D/B/A Smiles on Cass's NPI number?
- F&j Tan, LLC D/B/A Smiles on Cass's National Provider Identifier (NPI) is 1477985349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is F&j Tan, LLC D/B/A Smiles on Cass?
- F&j Tan, LLC D/B/A Smiles on Cass is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is F&j Tan, LLC D/B/A Smiles on Cass located?
- F&j Tan, LLC D/B/A Smiles on Cass's practice location on file with NPPES is 7339 Cass Ave, Darien, IL 60561-3660.
- What is F&j Tan, LLC D/B/A Smiles on Cass's phone number?
- The practice phone number listed in the NPPES registry for F&j Tan, LLC D/B/A Smiles on Cass is (331) 481-9302.
- Who is the authorized official for F&j Tan, LLC D/B/A Smiles on Cass?
- The authorized official listed on F&j Tan, LLC D/B/A Smiles on Cass's NPPES record is Jennifer Tan, Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is F&j Tan, LLC D/B/A Smiles on Cass's NPI active?
- Yes — F&j Tan, LLC D/B/A Smiles on Cass's NPI (1477985349) is active in the NPPES registry as of the last update on 2015-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.