Timothy Sullivan, D.D.S.
NPI 1396819215 · Dentist · Crystal Lake, IL
Enrolled with Medicare as Order and Referring Only - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Sullivan, D.D.S. is a Dentist provider in Crystal Lake, IL (NPI 1396819215).
Provider details
- NPI number
- 1396819215
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Timothy Sullivan's NPI number?
- Timothy Sullivan's National Provider Identifier (NPI) is 1396819215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Sullivan's specialty?
- Timothy Sullivan is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Timothy Sullivan located?
- Timothy Sullivan's practice location on file with NPPES is 370 W Terra Cotta Ave, Crystal Lake, IL 60014-3512.
- What is Timothy Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Sullivan is (815) 459-2180.
- Does Timothy Sullivan accept Medicare?
- Timothy Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Sullivan's NPI active?
- Yes — Timothy Sullivan's NPI (1396819215) 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.