Doctor profile · Federal record

Dr. Lydia Chow, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · West Covina, CA

  • NPI 1770087314
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1250 S Sunset Ave
West Covina, CA 917903961
(626) 856-5858
fax (626) 856-5853
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
June 19, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A165133

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770087314. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,376
Transactions
34
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 3 $173.64
EMD Serono, Inc. 4 $160.04
GENZYME CORPORATION 3 $145.71
Novartis Pharmaceuticals Corporation 5 $145.38
Janssen Biotech, Inc. 1 $139.33
Celgene Corporation 4 $102.84
Blueprint Medicines Corporation 2 $69.39
Merck Sharp & Dohme LLC 2 $58.96
Incyte Corporation 2 $52.27
Genentech USA, Inc. 2 $51.20
BeiGene USA, Inc. 2 $43.36
Regeneron Healthcare Solutions, Inc. 1 $34.41
PROGENICS PHARMACEUTICALS, INC. 1 $29.98
PFIZER INC. 1 $29.76
Exelixis Inc. 1 $28.26

By nature of payment

Food and Beverage
$1,354
Education
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$261,212
Drug Type Claims Patients Total cost
Dexamethasone Generic 23 0 $312
Lenalidomide Generic 21 0 $260,715
Prednisone Generic 14 0 $185

Frequently asked questions

Auto-generated from federal data
What is Dr. Lydia Chow's medical specialty?
Dr. Lydia Chow practices Hematology & Oncology Physician in West Covina, CA.
Where does Dr. Lydia Chow practice?
Dr. Lydia Chow practices at 1250 S Sunset Ave, West Covina, CA 917903961. Office phone: 6268565858.
What is Dr. Lydia Chow's NPI?
Dr. Lydia Chow's National Provider Identifier (NPI) is 1770087314, issued by NPPES.
Does Dr. Lydia Chow accept Medicare assignment?
Yes. Dr. Lydia Chow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.