Doctor profile · Federal record

Dr. Rosemary Onwuka

Family Nurse Practitioner (CMS: Nurse Practitioner) · Los Angeles, CA

  • NPI 1154826089
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
808 W 58Th St
Los Angeles, CA 900373632
(323) 541-1411
fax (877) 720-7181
Mailing address
19216 S Grandee Ave
Carson, CA 907462806

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
August 22, 2019
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #F03180604

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154826089. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,059
Transactions
18
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 5 $552.70
Janssen Pharmaceuticals, INC 4 $426.00
Teva Pharmaceuticals USA, INC. 3 $311.66
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 2 $259.35
Madrigal Pharmaceuticals 1 $142.45
Mayne Pharma Commercial LLC 1 $124.70
Otsuka America Pharmaceutical, INC. 1 $121.58
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $120.39

By nature of payment

Food and Beverage
$2,059

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
344
Patients
112
Total drug cost
$38,066
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 58 28 $1,778
Metformin Hcl Generic 43 24 $1,003
Lisinopril Generic 42 20 $989
Amlodipine Besylate Generic 34 16 $1,004
Diclofenac Sodium Generic 27 13 $603
Januvia (Sitagliptin Phosphate) Brand 23 0 $30,590
Levothyroxine Sodium Generic 22 0 $416
Losartan Potassium Generic 22 11 $411
Glipizide Generic 19 0 $362
Hydrochlorothiazide Generic 16 0 $42

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosemary Onwuka's medical specialty?
Dr. Rosemary Onwuka practices Family Nurse Practitioner in Los Angeles, CA.
Where does Dr. Rosemary Onwuka practice?
Dr. Rosemary Onwuka practices at 808 W 58Th St, Los Angeles, CA 900373632. Office phone: 3235411411.
What is Dr. Rosemary Onwuka's NPI?
Dr. Rosemary Onwuka's National Provider Identifier (NPI) is 1154826089, issued by NPPES.
Does Dr. Rosemary Onwuka accept Medicare assignment?
Yes. Dr. Rosemary Onwuka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.