Doctor profile · Federal record

Dr. Siyu Deng

Family Medicine Physician (CMS: Nurse Practitioner) · Upland, CA

  • NPI 1235897414
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1004 W Foothill Blvd Ste 200
Upland, CA 917863791
(909) 985-1908
Mailing address
24315 Northview Pl
Diamond Bar, CA 917651850

Credentials & registration

NPPES · NUCC
NPI registered
December 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #95019294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235897414. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $13.89

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
757
Patients
216
Total drug cost
$50,123
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 77 29 $1,241
Levothyroxine Sodium Generic 68 21 $971
Omeprazole Generic 59 18 $524
Losartan Potassium Generic 56 20 $898
Quetiapine Fumarate Generic 54 11 $462
Diclofenac Sodium Generic 53 14 $23,328
Trazodone Hcl Generic 52 13 $339
Amlodipine Besylate Generic 51 22 $527
Sertraline Hcl Generic 48 15 $389
Furosemide Generic 44 12 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Siyu Deng's medical specialty?
Dr. Siyu Deng practices Family Medicine Physician in Upland, CA.
Where does Dr. Siyu Deng practice?
Dr. Siyu Deng practices at 1004 W Foothill Blvd Ste 200, Upland, CA 917863791. Office phone: 9099851908.
What is Dr. Siyu Deng's NPI?
Dr. Siyu Deng's National Provider Identifier (NPI) is 1235897414, issued by NPPES.
Does Dr. Siyu Deng accept Medicare assignment?
Yes. Dr. Siyu Deng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.