Roman Groisberg, MD
Medical Oncology Physician · New Brunswick, NJ
Roman Groisberg, MD is a medical oncology physician with a practice address in New Brunswick, New Jersey, and NPI 1235404450, issued on Mar 21, 2012. Check the license (New Jersey 25MA10347400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Roman Groisberg
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 25MA10347400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 195 Little Albany St, New Brunswick, NJ 08901
- Phone
- (732) 235-2465
- Enumerated
- Mar 21, 2012
- Record last updated
- Apr 12, 2024
- Fax
- (732) 235-6797
- Medicare enrollment
- Enrolled (PECOS I20180806001800); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 140 in New Jersey → Look up another NPI →
Also registered at 195 Little Albany St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Funmilayo Adeniranye, APNPrimary Care Nurse Practitioner1609258151
- Joseph AisnerMedical Oncology Physician1649328410
- Razia Akhtar, M.D.Pediatric Hematology & Oncology Physician1962724872
- David AugustSurgical Oncology Physician1881776482
- Ann Marie Augustyn, M.S.Genetic Counselor (M.S.)1750430815
- Rizvan Azimzade, MDInternal Medicine Physician1184202624
Verify Roman Groisberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA10347400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average medical oncology physician in 2024
45 Medicare Part D claims for 15 beneficiaries, against an average of 703 among the 4,230 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 one group practice
- Rutgers Health-Rwj Scleroderma ProgramNew Brunswick, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roman Groisberg among 140 medical oncology physician records in New Jersey
Roman Groisberg, MD is one of 140 medical oncology physician records with a practice address in New Jersey. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2001 among the 96 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 medical oncology physician records list a practice address in New Brunswick
They are 28 of the 2,740 NPPES records with a practice address in New Brunswick, and 140 medical oncology physician records in New Jersey.
All 140 in New Jersey → Every provider in New Brunswick → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Michael Eleff, MDNew Brunswick, NJ 089011598857591
- Shridarr GanesanNew Brunswick, NJ 089011619916566
- F. Joseph GerminoNew Brunswick, NJ 089011740362284
- Mecide GhariboNew Brunswick, NJ 089011700968245
- Sanjay Goel, MDNew Brunswick, NJ 089011104906692
- Missak Haigentz, MDNew Brunswick, NJ 089011750461240
- William HaitNew Brunswick, NJ 089011982788832
- Kim HirshfieldNew Brunswick, NJ 089011841374790
Common questions
What is Roman Groisberg, MD's NPI number?
Roman Groisberg, MD's National Provider Identifier (NPI) is 1235404450, issued on Mar 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Roman Groisberg, MD located?
The NPPES record lists a practice address at 195 Little Albany St, New Brunswick, NJ, 08901. Phone: (732) 235-2465. Providers update this record themselves, so call before visiting.
How can I verify Roman Groisberg, MD's license?
NPPES lists New Jersey license number 25MA10347400, as entered by the provider. 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 Roman Groisberg, MD prescribe under Medicare Part D?
In 2024, Roman Groisberg, MD had 45 Medicare Part D claims for 15 beneficiaries; the average among medical oncology physician prescribers was 703. 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.