Doctor profile · Federal record

Dr. Catherine Nielsen, APN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Belleville, NJ

  • NPI 1245916782
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
36 Newark Ave Ste 300
Belleville, NJ 071094122
(973) 759-6896

Credentials & registration

NPPES · NUCC
NPI registered
June 2023 — 3 yrs on file
Profile last updated
December 26, 2023
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New Jersey #26NJ14866900
Medicaid
NJ #0938998

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245916782. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $22.02

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
55
Patients
13
Total drug cost
$36,481
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 16 13 $361
Trulicity (Dulaglutide) Brand 15 0 $18,757
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 12 0 $7,555
Novolog Flexpen (Insulin Aspart) Brand 12 0 $9,809

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Nielsen's medical specialty?
Dr. Catherine Nielsen practices Family Nurse Practitioner in Belleville, NJ.
Where does Dr. Catherine Nielsen practice?
Dr. Catherine Nielsen practices at 36 Newark Ave Ste 300, Belleville, NJ 071094122. Office phone: 9737596896.
What is Dr. Catherine Nielsen's NPI?
Dr. Catherine Nielsen's National Provider Identifier (NPI) is 1245916782, issued by NPPES.
Does Dr. Catherine Nielsen accept Medicare assignment?
Yes. Dr. Catherine Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.