Diana Aldona Roth O'Brien, MD, MPH, BA
Radiation Oncology Physician · Montvale, NJ
Diana Aldona Roth O'Brien, MD, MPH, BA is a radiation oncology physician with a practice address in Montvale, New Jersey, and NPI 1043606957, issued on Apr 8, 2015. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diana Aldona Roth O'Brien
- Credential
- MD, MPH, BA
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 304526 NY
Self-reported in NPPES; status is on the state search - Practice location
- 225 Summit Ave, Montvale, NJ 07645
- Phone
- (201) 775-7000
- Enumerated
- Apr 8, 2015
- Record last updated
- Aug 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201215000412); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 153 in New Jersey → Look up another NPI →
Also registered at 225 Summit Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Abillar-Wright, FNP-BCOncology Registered Nurse1841897824
- Olga Akselrod, PA-CPhysician Assistant1891936779
- David Billing, MD, PHDRadiation Oncology Physician1760944714
- Teresa Bustamante, NP-CGerontology Nurse Practitioner1831757939
- Deirdre Casey, MSN, RN, AGACNP-BCAcute Care Nurse Practitioner1720456619
- Dae ChoiOncology Pharmacist1861215139
Verify Diana Aldona Roth O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average radiation oncology physician in 2024
197 Medicare Part D claims for 109 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Triamcinolone Acetonide71 claims
- Hydrocortisone16 claims
- Silver Sulfadiazine14 claims
- Oxycodone Hcl12 claims
- Lidocaine Hcl Viscous11 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 practice group's MIPS final score for 2023 (Medicare payment program): 96 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Memorial Radiation Oncology GroupUniondale, NY
- Memorial Sloan Kettering Cancer Center AT Basking Ridge New JerseyBasking Ridge, NJ
- Msk BergenMontvale, NJ
- Msk MonmouthMiddletown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Aldona Roth O'Brien among 153 radiation oncology physician records in New Jersey
Diana Aldona Roth O'Brien, MD, MPH, BA is one of 153 radiation oncology physician records with a practice address in New Jersey. 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 2015, is newer than 90% of them.
- NPI issued2015 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2015 · median 2001 among the 114 with a school on file
- Record last updated2020 · 51% 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 Jersey 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 Jersey
There are 153 radiation oncology physician records in New Jersey.
All 153 in New Jersey → Every provider in Montvale → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- David Billing, MD, PHDMontvale, NJ 076451760944714
- Hua-Ren Cherng, MDParamus, NJ 076521780210625
- Shengyang Wu, MDParamus, NJ 076521083032023
- David Dubin, MDEnglewood, NJ 076311205881703
- Mei Zhang, MDEnglewood, NJ 076311457306045
- Alina HirshSaddle Brook, NJ 076631609008333
- Shravan Kambam, M.D.Saddle Brook, NJ 076631124055272
- Charles Vialotti, MDTeaneck, NJ 076661205861366
Common questions
What is Diana Aldona Roth O'Brien, MD, MPH, BA's NPI number?
Diana Aldona Roth O'Brien, MD, MPH, BA's National Provider Identifier (NPI) is 1043606957, issued on Apr 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Diana Aldona Roth O'Brien, MD, MPH, BA located?
The NPPES record lists a practice address at 225 Summit Ave, Montvale, NJ, 07645. Phone: (201) 775-7000. Providers update this record themselves, so call before visiting.
How can I verify Diana Aldona Roth O'Brien, MD, MPH, BA's license?
Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Aldona Roth O'Brien, MD, MPH, BA prescribe under Medicare Part D?
In 2024, Diana Aldona Roth O'Brien, MD, MPH, BA had 197 Medicare Part D claims for 109 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Diana Aldona Roth O'Brien, MD, MPH, BA's MIPS final score?
The 2023 MIPS final score is 96 of 100, reported for the practice group. 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.