Rosemarie Nassiff, D.O
Internal Medicine Physician · Pennington, NJ
Rosemarie Nassiff, D.O is an internal medicine physician with a practice address in Pennington, New Jersey, and NPI 1881128932, issued on Apr 15, 2017. Check the license (New Jersey 25MB10354800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Rosemarie Nassiff
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MB10354800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Capital Way, Pennington, NJ 08534
- Phone
- (609) 303-4000
- Enumerated
- Apr 15, 2017
- Record last updated
- Jul 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180625001376); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 1 Capital Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rosemarie Nassiff 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 25MB10354800Check 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 internal medicine physician in 2024
198 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis14 claims
- Pantoprazole Sodium13 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.
Industry payments in 2024: $39.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Capital Health Multispecialty GroupPennington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosemarie Nassiff among 4,632 internal medicine physician records in New Jersey
Rosemarie Nassiff, D.O is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 82% of them.
- NPI issued2017 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2000 among the 3,132 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 internal medicine physician records list a practice address in Pennington
They are 44 of the 739 NPPES records with a practice address in Pennington, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Pennington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yoganand Deendyal, MDPennington, NJ 085341023120615
- Satvinder Dhillon, MDPennington, NJ 085341437296548
- Heewa Faraj, M.DPennington, NJ 085341760643944
- Victor Iturbides, MDPennington, NJ 085341366545170
- Brian Meltzer, M.D.Pennington, NJ 085341083771471
- Guy Nee, MDPennington, NJ 085341760429997
- Scott Oresky, M.D.Pennington, NJ 085341437190170
- Beverly Radice, MDPennington, NJ 085341578629598
Common questions
What is Rosemarie Nassiff, D.O's NPI number?
Rosemarie Nassiff, D.O's National Provider Identifier (NPI) is 1881128932, issued on Apr 15, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Rosemarie Nassiff, D.O located?
The NPPES record lists a practice address at 1 Capital Way, Pennington, NJ, 08534. Phone: (609) 303-4000. Providers update this record themselves, so call before visiting.
How can I verify Rosemarie Nassiff, D.O's license?
NPPES lists New Jersey license number 25MB10354800, 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 Rosemarie Nassiff, D.O prescribe under Medicare Part D?
In 2024, Rosemarie Nassiff, D.O had 198 Medicare Part D claims for 79 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.