Doctor profile · Federal record

Dr. Austin Ma, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Los Angeles, CA

  • NPI 1598700627
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 E Cesar E Chavez Ave Ste 3500
Los Angeles, CA 900332480
(323) 264-0430

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 1, 2016
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A46372

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598700627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
76
Distinct HCPCS
2
Medicare allowed
$7,217
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 42 30 $95
99442 Telephone medical discussion with physician, 11-20 minutes 34 25 $95

In context: peer comparison

Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,416
Transactions
52
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
BeiGene USA, INC. 12 $337.89
Astellas Pharma US INC 4 $229.58
Novartis Pharmaceuticals Corporation 11 $186.09
Abbvie INC. 5 $102.91
GlaxoSmithKline, LLC. 4 $97.53
Array Biopharma INC 3 $79.75
US Oncology Corporate, INC. 2 $75.22
Lilly USA, LLC 2 $36.46
E.R. Squibb & Sons, L.L.C. 2 $35.46
Janssen Biotech, INC. 2 $30.83
Emd Serono, INC. 1 $29.76
Eisai INC. 1 $25.57
Aveo Pharmaceuticals, INC. 1 $24.23
Gilead Sciences, INC. 1 $22.05
Daiichi Sankyo INC. 1 $21.76

By nature of payment

Food and Beverage
$1,226
Education
$190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,391
Patients
391
Total drug cost
$2,652,199
Drug Type Claims Patients Total cost
Anastrozole Generic 478 122 $14,632
Abiraterone Acetate Generic 104 16 $356,271
Prednisone Generic 101 24 $1,268
Procrit (Epoetin Alfa) Brand 89 27 $277,290
Dexamethasone Generic 76 20 $1,446
Lorazepam Generic 74 33 $433
Imbruvica (Ibrutinib) Brand 60 0 $1,019,231
Zarxio (Filgrastim-Sndz) Brand 56 20 $34,257
Lupron Depot (Leuprolide Acetate) Brand 54 24 $307,937
Ondansetron Odt (Ondansetron) Brand 54 38 $1,095

Frequently asked questions

Auto-generated from federal data
What is Dr. Austin Ma's medical specialty?
Dr. Austin Ma practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. Austin Ma practice?
Dr. Austin Ma practices at 1700 E Cesar E Chavez Ave Ste 3500, Los Angeles, CA 900332480. Office phone: 3232640430.
What is Dr. Austin Ma's NPI?
Dr. Austin Ma's National Provider Identifier (NPI) is 1598700627, issued by NPPES.
Does Dr. Austin Ma accept Medicare assignment?
Yes. Dr. Austin Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Austin Ma commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.