Doctor profile · Federal record

Dr. Katie Iadonisi, MSN, A-GNP-C, OCN

Adult Health Nurse Practitioner · Nurse Practitioner · Adult Health Nurse Practitioner · Gerontology Nurse Practitioner · South Weymouth, MA

  • NPI 1639808603
  • 4 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Columbian St
South Weymouth, MA 021901601
(781) 624-4800

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
February 2, 2023
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Massachusetts #RN2361573 · North Carolina #5016311

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639808603. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
TAIHO ONCOLOGY, INC. 4 $92.99
Takeda Pharmaceuticals U.S.A., Inc. 1 $20.19

By nature of payment

Food and Beverage
$113

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
96
Patients
19
Total drug cost
$71,383
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 36 19 $509
Eliquis (Apixaban) Brand 22 0 $15,505
Abiraterone Acetate Generic 14 0 $55,144
Gabapentin Generic 13 0 $170
Omeprazole Generic 11 0 $55

Frequently asked questions

Auto-generated from federal data
What is Dr. Katie Iadonisi's medical specialty?
Dr. Katie Iadonisi practices Adult Health Nurse Practitioner in South Weymouth, MA.
Where does Dr. Katie Iadonisi practice?
Dr. Katie Iadonisi practices at 101 Columbian St, South Weymouth, MA 021901601. Office phone: 7816244800.
What is Dr. Katie Iadonisi's NPI?
Dr. Katie Iadonisi's National Provider Identifier (NPI) is 1639808603, issued by NPPES.