Doctor profile · Federal record

Dr. Rosemarie Nassiff, D.O

Internal Medicine Physician (CMS: Internal Medicine) · Pennington, NJ

  • NPI 1881128932
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Capital Way
Pennington, NJ 085342520
(609) 303-4000

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
July 20, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MB10354800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881128932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
671
Distinct HCPCS
3
Medicare allowed
$65,346
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 385 172 $82
99239 Hospital discharge day management, more than 30 minutes 154 149 $119
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 132 76 $118

In context: peer comparison

Among 14 peers in this city , average services per provider: 109. This provider delivers 6.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 2 $39.91

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
53
Total drug cost
$644
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 18 18 $432
Atorvastatin Calcium Generic 14 12 $144
Prednisone Generic 13 12 $28
Furosemide Generic 11 11 $41

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosemarie Nassiff's medical specialty?
Dr. Rosemarie Nassiff practices Internal Medicine Physician in Pennington, NJ.
Where does Dr. Rosemarie Nassiff practice?
Dr. Rosemarie Nassiff practices at 1 Capital Way, Pennington, NJ 085342520. Office phone: 6093034000.
What is Dr. Rosemarie Nassiff's NPI?
Dr. Rosemarie Nassiff's National Provider Identifier (NPI) is 1881128932, issued by NPPES.
Does Dr. Rosemarie Nassiff accept Medicare assignment?
Yes. Dr. Rosemarie Nassiff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rosemarie Nassiff commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.