Timothy Merrill, M.D.
NPI 1134140908 · Diagnostic Radiology Physician · Evanston, IL
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Merrill, M.D. is a Diagnostic Radiology Physician provider in Evanston, IL (NPI 1134140908).
Provider details
- NPI number
- 1134140908
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-041396 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2008-10-21
Frequently asked questions
- What is Timothy Merrill's NPI number?
- Timothy Merrill's National Provider Identifier (NPI) is 1134140908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Merrill's specialty?
- Timothy Merrill is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Merrill located?
- Timothy Merrill's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201-1718.
- What is Timothy Merrill's phone number?
- The practice phone number listed in the NPPES registry for Timothy Merrill is (847) 570-2475.
- Does Timothy Merrill accept Medicare?
- Timothy Merrill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Merrill's NPI active?
- Yes — Timothy Merrill's NPI (1134140908) is active in the NPPES registry as of the last update on 2008-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.