Timothy Tyrrell, MD
NPI 1578551719 · Internal Medicine Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Tyrrell, MD is a Internal Medicine Physician provider in Naperville, IL (NPI 1578551719).
Provider details
- NPI number
- 1578551719
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-058551 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-10-12
- Last updated
- 2015-11-23
Frequently asked questions
- What is Timothy Tyrrell's NPI number?
- Timothy Tyrrell's National Provider Identifier (NPI) is 1578551719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Tyrrell's specialty?
- Timothy Tyrrell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Tyrrell located?
- Timothy Tyrrell's practice location on file with NPPES is 120 Spalding Dr, Naperville, IL 60540-6557.
- What is Timothy Tyrrell's phone number?
- The practice phone number listed in the NPPES registry for Timothy Tyrrell is (630) 527-5575.
- Does Timothy Tyrrell accept Medicare?
- Timothy Tyrrell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Tyrrell's NPI active?
- Yes — Timothy Tyrrell's NPI (1578551719) is active in the NPPES registry as of the last update on 2015-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.