Colin Harari
NPI 1922635895 · Radiation Oncology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Harari is a Radiation Oncology Physician provider in Madison, WI (NPI 1922635895).
Provider details
- NPI number
- 1922635895
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 77652 (WI)
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
6 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
- 2020-03-23
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Colin Harari's NPI number?
- Colin Harari's National Provider Identifier (NPI) is 1922635895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Harari's specialty?
- Colin Harari is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Harari located?
- Colin Harari's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Colin Harari's phone number?
- The practice phone number listed in the NPPES registry for Colin Harari is (608) 915-1200.
- Does Colin Harari accept Medicare?
- Colin Harari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Harari's NPI active?
- Yes — Colin Harari's NPI (1922635895) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.