OrganizationActive
Dr. William Seasly DDS
NPI 1942503594 · Dentist · Downers Grove, IL
Dr. William Seasly DDS is a Dentist organization in Downers Grove, IL (NPI 1942503594).
Provider details
- NPI number
- 1942503594
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- William Seasly, Owner(630) 541-3119
- License
- 019.027239 (IL)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
6311 Woodward Ave
Downers Grove, IL 60516-2311
Phone: (630) 541-3119
Fax: (630) 324-6361
Street-level locationGet directions
Mailing address
6311 Woodward Ave
Downers Grove, IL 60516-2311
Registry dates
- Enumerated
- 2010-12-20
- Last updated
- 2010-12-20
Frequently asked questions
- What is Dr. William Seasly DDS's NPI number?
- Dr. William Seasly DDS's National Provider Identifier (NPI) is 1942503594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. William Seasly DDS?
- Dr. William Seasly DDS is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Dr. William Seasly DDS located?
- Dr. William Seasly DDS's practice location on file with NPPES is 6311 Woodward Ave, Downers Grove, IL 60516-2311.
- What is Dr. William Seasly DDS's phone number?
- The practice phone number listed in the NPPES registry for Dr. William Seasly DDS is (630) 541-3119.
- Who is the authorized official for Dr. William Seasly DDS?
- The authorized official listed on Dr. William Seasly DDS's NPPES record is William Seasly, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. William Seasly DDS's NPI active?
- Yes — Dr. William Seasly DDS's NPI (1942503594) is active in the NPPES registry as of the last update on 2010-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.