Timothy Cahill, D.O.
NPI 1578569505 · Internal Medicine Physician · Des Plaines, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Cahill, D.O. is a Internal Medicine Physician provider in Des Plaines, IL (NPI 1578569505).
Provider details
- NPI number
- 1578569505
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036067067 (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
21 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
- 2005-06-23
- Last updated
- 2008-08-11
Frequently asked questions
- What is Timothy Cahill's NPI number?
- Timothy Cahill's National Provider Identifier (NPI) is 1578569505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Cahill's specialty?
- Timothy Cahill is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Cahill located?
- Timothy Cahill's practice location on file with NPPES is 150 N River Rd, Des Plaines, IL 60016-1272.
- What is Timothy Cahill's phone number?
- The practice phone number listed in the NPPES registry for Timothy Cahill is (847) 759-4060.
- Does Timothy Cahill accept Medicare?
- Timothy Cahill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Cahill's NPI active?
- Yes — Timothy Cahill's NPI (1578569505) is active in the NPPES registry as of the last update on 2008-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.