Doctor profile · Federal record

Dr. Kathleen Rosario, NP

Nurse Practitioner · Los Angeles, CA

  • NPI 1750995478
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1520 San Pablo St Ste 1000
Los Angeles, CA 900335312
(323) 442-5100
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Profile last updated
March 22, 2021
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
California #95014790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750995478. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$958
Transactions
24
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 20 $699.38
Janssen Biotech, INC. 2 $134.80
Pfizer INC. 1 $99.38
Celgene Corporation 1 $24.76

By nature of payment

Food and Beverage
$958

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
569
Patients
174
Total drug cost
$6,137,184
Drug Type Claims Patients Total cost
Stelara (Ustekinumab) Brand 205 33 $5,752,721
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 73 70 $1,240
Mesalamine Generic 52 14 $35,945
Omeprazole Generic 49 21 $978
Humira(Cf) Pen (Adalimumab) Brand 28 0 $271,717
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 26 0 $833
Famotidine Generic 24 11 $696
Cholestyramine (Cholestyramine (With Sugar)) Brand 20 0 $2,929
Linzess (Linaclotide) Brand 20 0 $15,895
Pantoprazole Sodium Generic 19 0 $351

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Rosario's medical specialty?
Dr. Kathleen Rosario practices Nurse Practitioner in Los Angeles, CA.
Where does Dr. Kathleen Rosario practice?
Dr. Kathleen Rosario practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 900335312. Office phone: 3234425100.
What is Dr. Kathleen Rosario's NPI?
Dr. Kathleen Rosario's National Provider Identifier (NPI) is 1750995478, issued by NPPES.
Does Dr. Kathleen Rosario accept Medicare assignment?
Yes. Dr. Kathleen Rosario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.