What is Timothy Sullivan's NPI number?

Timothy Sullivan's National Provider Identifier (NPI) is 1679443550, 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 Pharmacist (Pharmacy Service Providers).

Where is Timothy Sullivan located?

Timothy Sullivan's practice location on file with NPPES is 1103 Chicago Ave, Downers Grove, IL 60515-3605.

What is Timothy Sullivan's phone number?

The practice phone number listed in the NPPES registry for Timothy Sullivan is (630) 330-3638.

Is Timothy Sullivan's NPI active?

Yes — Timothy Sullivan's NPI (1679443550) is active in the NPPES registry as of the last update on 2025-11-06.

IndividualActive

Timothy Sullivan

NPI 1679443550 · Pharmacist · Downers Grove, IL

Timothy Sullivan is a Pharmacist provider in Downers Grove, IL (NPI 1679443550).

Provider details

NPI number: 1679443550
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Male
Sole proprietor: No
License: 21369 (IA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 21369 (IA)
Pharmacy Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

1103 Chicago Ave

Downers Grove, IL 60515-3605

Phone: (630) 330-3638

Street-level locationGet directions

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Mailing address