Colin Harari
Radiation Oncology Physician · Madison, WI
Colin Harari is a radiation oncology physician with a practice address in Madison, Wisconsin, and NPI 1922635895, issued on Mar 23, 2020. Check the license (Wisconsin 77652, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Colin Harari
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 77652 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 915-1200
- Enumerated
- Mar 23, 2020
- Record last updated
- Nov 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20230705003292); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 153 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edwin Abel, M.D.Urology Physician1083800510
Verify Colin Harari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 77652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average radiation oncology physician in 2024
17 Medicare Part D claims for 14 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Mercy Health System CorporationJanesville, WI
- Rockford Health PhysiciansRockford, IL
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colin Harari among 153 radiation oncology physician records in Wisconsin
Colin Harari is one of 153 radiation oncology physician records with a practice address in Wisconsin. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 4% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2020 · median 2008 among the 119 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Wisconsin
There are 153 radiation oncology physician records in Wisconsin.
All 153 in Wisconsin → Every provider in Madison → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Bethany Anderson, M.D.Madison, WI 537921629001417
- Patricia Barrett, MDMadison, WI 537921184690836
- Andrew BaschnagelMadison, WI 537921578793048
- Michael BassettiMadison, WI 537921639332158
- Kristin Bradley, MDMadison, WI 537921295798718
- Adam BurrMadison, WI 537921245626555
- Pippa Cosper, MDMadison, WI 537921003255142
- Benjamin Durkee, M.D.Madison, WI 537921922394402
Common questions
What is Colin Harari's NPI number?
Colin Harari's National Provider Identifier (NPI) is 1922635895, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Colin Harari located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 915-1200. Providers update this record themselves, so call before visiting.
How can I verify Colin Harari's license?
NPPES lists Wisconsin license number 77652, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Colin Harari prescribe under Medicare Part D?
In 2024, Colin Harari had 17 Medicare Part D claims for 14 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.