David Paul Horowitz, M.D.
Radiation Oncology Physician · New York, NY
David Paul Horowitz, M.D. is a radiation oncology physician with a practice address in New York, New York, and NPI 1841425717, issued on May 21, 2009. Check the license (New York 276436, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- David Paul Horowitz
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 276436 NY
Self-reported in NPPES; status is on the state search - Practice location
- 622 W 168TH St, New York, NY 10032
- Phone
- (212) 305-4982
- Enumerated
- May 21, 2009
- Record last updated
- May 18, 2023
- Medicare enrollment
- Enrolled (PECOS I20141030001997); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at 622 W 168TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwah Abdalla, M.D.Cardiovascular Disease Physician1437201415
- Shauna Abdouche, MDStudent in an Organized Health Care Education/Training Program1316400484
- Irum AbdullahStudent in an Organized Health Care Education/Training Program1366307555
- Samantha Abel, PA-CPhysician Assistant1619485018
- Alvin AbellaAcute Care Nurse Practitioner1588068233
- Abenezer AberaStudent in an Organized Health Care Education/Training Program1386348340
Verify David Paul Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 276436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average radiation oncology physician in 2024
28 Medicare Part D claims for 16 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- The Westchester Medical Practice PCCortlandt Manor, NY
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Paul Horowitz among 449 radiation oncology physician records in New York
David Paul Horowitz, M.D. is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2009 · median 2005 among the 331 with a school on file
- Record last updated2023 · 59% 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 New York 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 New York
There are 449 radiation oncology physician records in New York.
All 449 in New York → Every provider in New York → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- K. S. Clifford Chao, M.D.New York, NY 100321215038344
- Simon Cheng, MD, PHDNew York, NY 100321639360100
- Eileen Connolly, M.D.New York, NY 100321730372160
- Israel Deutsch, M.D.New York, NY 100321033315908
- Matthew Gallitto, MD, PHDNew York, NY 100321396204616
- Zahra Ghiassi-Nejad, MD, PHDNew York, NY 100321982946505
- Ashish Jani, M.D.New York, NY 100321770879223
- Lisa Kachnic, MDNew York, NY 100321962493874
Common questions
What is David Paul Horowitz, M.D.'s NPI number?
David Paul Horowitz, M.D.'s National Provider Identifier (NPI) is 1841425717, issued on May 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David Paul Horowitz, M.D. located?
The NPPES record lists a practice address at 622 W 168TH St, New York, NY, 10032. Phone: (212) 305-4982. Providers update this record themselves, so call before visiting.
How can I verify David Paul Horowitz, M.D.'s license?
NPPES lists New York license number 276436, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Paul Horowitz, M.D. prescribe under Medicare Part D?
In 2024, David Paul Horowitz, M.D. had 28 Medicare Part D claims for 16 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is David Paul Horowitz, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.