Doctor profile · Federal record

Dr. Lilybeth Sistoza, MD

Internal Medicine Physician (CMS: Internal Medicine) · Fontana, CA

  • NPI 1538172358
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17264 Foothill Blvd, Ste A B
Fontana, CA 923359051
(909) 428-3900
fax (909) 428-3903
Mailing address
162 Western Blvd, Apt 901
Tamuning, GU 969133175

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 12, 2017
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A78188
Medicaid
CA #00A781880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538172358. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $30.30

By nature of payment

Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
172
Patients
26
Total drug cost
$1,835
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 38 13 $264
Atorvastatin Calcium Generic 32 13 $347
Allopurinol Generic 19 0 $225
Losartan Potassium Generic 15 0 $159
Simvastatin Generic 15 0 $125
Lisinopril Generic 14 0 $178
Metformin Hcl Generic 14 0 $134
Rosuvastatin Calcium Generic 14 0 $216
Carvedilol Generic 11 0 $186

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lilybeth Sistoza's medical specialty?
Dr. Lilybeth Sistoza practices Internal Medicine Physician in Fontana, CA.
Where does Dr. Lilybeth Sistoza practice?
Dr. Lilybeth Sistoza practices at 17264 Foothill Blvd, Fontana, CA 923359051. Office phone: 9094283900.
What is Dr. Lilybeth Sistoza's NPI?
Dr. Lilybeth Sistoza's National Provider Identifier (NPI) is 1538172358, issued by NPPES.
Does Dr. Lilybeth Sistoza accept Medicare assignment?
Yes. Dr. Lilybeth Sistoza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.