IndividualActive
Thomas Sullivan, M.D.
NPI 1881625424 · Specialist · Hinsdale, IL
Thomas Sullivan, M.D. is a Specialist provider in Hinsdale, IL (NPI 1881625424).
Provider details
- NPI number
- 1881625424
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 36-2924227 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 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
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
120 N. Oak Street
Hinsdale, IL 60521
Phone: (630) 856-3901
Fax: (630) 856-3906
Street-level locationGet directions
Mailing address
Po Box 3575
Oak Brook, IL 60522-3575
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2017-03-22
Frequently asked questions
- What is Thomas Sullivan's NPI number?
- Thomas Sullivan's National Provider Identifier (NPI) is 1881625424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Sullivan's specialty?
- Thomas Sullivan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Thomas Sullivan located?
- Thomas Sullivan's practice location on file with NPPES is 120 N. Oak Street, Hinsdale, IL 60521.
- What is Thomas Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Sullivan is (630) 856-3901.
- Is Thomas Sullivan's NPI active?
- Yes — Thomas Sullivan's NPI (1881625424) is active in the NPPES registry as of the last update on 2017-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.