Doctor profile · Federal record

Dr. Diem Ngo, M.D

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Moreno Valley, CA

  • NPI 1538542287
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26520 Cactus Ave
Moreno Valley, CA 925553927
(951) 486-4000
Mailing address
2813 S Main St
Corona, CA 928825942

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
January 14, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #1538542287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538542287. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$250
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $124.99
Novo Nordisk INC 1 $124.99

By nature of payment

Food and Beverage
$250

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
206
Patients
83
Total drug cost
$4,965
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 53 30 $983
Metformin Hcl Generic 36 18 $382
Diclofenac Sodium Generic 23 11 $855
Amlodipine Besylate Generic 22 13 $452
Losartan Potassium Generic 21 11 $398
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 15 0 $865
Omeprazole Generic 13 0 $489
Famotidine Generic 12 0 $456
Ibuprofen Generic 11 0 $85

Frequently asked questions

Auto-generated from federal data
What is Dr. Diem Ngo's medical specialty?
Dr. Diem Ngo practices Family Medicine Physician in Moreno Valley, CA.
Where does Dr. Diem Ngo practice?
Dr. Diem Ngo practices at 26520 Cactus Ave, Moreno Valley, CA 925553927. Office phone: 9514864000.
What is Dr. Diem Ngo's NPI?
Dr. Diem Ngo's National Provider Identifier (NPI) is 1538542287, issued by NPPES.
Does Dr. Diem Ngo accept Medicare assignment?
Yes. Dr. Diem Ngo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.