David A. Kantorowitz, MD
Radiation Oncology Physician · Corvallis, OR
David A. Kantorowitz, MD is a radiation oncology physician with a practice address in Corvallis, Oregon, and NPI 1316959646, issued on Aug 13, 2006. Check the license (Oregon MD151974, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- David A. Kantorowitz
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- MD151974 OR
35.135193 OH
12706C WY
Self-reported in NPPES; status is on the state search - Practice location
- 501 NW Elks Dr, Corvallis, OR 97330
- Phone
- (541) 768-7722
- Enumerated
- Aug 13, 2006
- Record last updated
- Feb 22, 2022
- Fax
- (541) 768-4685
- Medicaid IDs
- 0343684 OH
1123314 WA - Medicare enrollment
- Enrolled (PECOS I20221221002434); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 501 NW Elks Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali AboosaiediPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1609498880
- Katherine Albuschat, LMTMassage Therapist1992266951
- Mary Austin-Seymour, M.D.Radiation Oncology Physician1194816843
- Michael Carrasquilla, MDRadiation Oncology Physician1245724764
- Bruce Frey, M.D.Radiation Oncology Physician1164431680
- Michael Huntington, M.D.Radiation Oncology Physician1851300370
Verify David A. Kantorowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD151974Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average radiation oncology physician in 2024
12 Medicare Part D claims, 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.
Industry payments in 2024: $79.55
4 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baptist Health Medical Group IncCorbin, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in Oregon
There are 115 radiation oncology physician records in Oregon.
Other radiation oncology physician records in Oregon
- Bradley Ackerson, MDPortland, OR1447746326
- Jerald Albrich, M.D.Canby, OR1952467607
- Lauren Andring, MDBend, OR1326507484
- William Arscott, MDTigard, OR1831509926
- Mary Austin-Seymour, M.D.Corvallis, OR1194816843
- Adam Avant, MDPortland, OR1700413788
- Stephen Bader, MDPortland, OR1790787422
- Alexander BagleyCorvallis, OR1649625971
- Roy Bliley, MDPortland, OR1407484314
- Nicholas Boehling, M.D.Bend, OR1013208149
Common questions
What is David A. Kantorowitz, MD's NPI number?
David A. Kantorowitz, MD's National Provider Identifier (NPI) is 1316959646, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Kantorowitz, MD located?
The NPPES record lists a practice address at 501 NW Elks Dr, Corvallis, OR, 97330. Phone: (541) 768-7722. Providers update this record themselves, so call before visiting.
How can I verify David A. Kantorowitz, MD's license?
NPPES lists Oregon license number MD151974, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David A. Kantorowitz, MD prescribe under Medicare Part D?
In 2024, David A. Kantorowitz, MD had 12 Medicare Part D claims; 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.