Doctor profile · Federal record

Dr. Michael Castro, M.D.

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

  • NPI 1306834338
  • Accepts Medicare
  • MIPS 68.7 / 100 · 2023
  • 40 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10001 Venice Blvd Apt 402
Los Angeles, CA 900347439
(808) 445-4085
fax (866) 438-4310
Mailing address
8900 Wilshire Blvd
Beverly Hills, CA 902111958

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
December 12, 2016
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (3)
California #144118 · New York #174662 · Hawaii #15323
Medicaid
NY #01251532

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306834338. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
937
Distinct HCPCS
10
Medicare allowed
$39,137
HCPCS Description Services Patients Avg allowed
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 159 38 $8
80053 Blood test, comprehensive group of blood chemicals 124 38 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 111 34 $138
84100 Phosphate level 104 33 $5
83615 Lactate dehydrogenase (enzyme) level 96 32 $6
99215 Established patient office or other outpatient visit, 40-54 minutes 69 20 $196
36415 Insertion of needle into vein for collection of blood sample 62 33 $8
82378 Carcinoembryonic antigen (cea) protein level 43 16 $19
83735 Magnesium level 41 23 $7
84439 Thyroxine (thyroid chemical), free 32 21 $9

In context: peer comparison

Among 16 peers in this city , average services per provider: 143. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$838
Transactions
25
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 2 $149.17
ABBVIE INC. 4 $111.76
Menarini Silicon Biosystems, Inc. 2 $108.59
Incyte Corporation 3 $78.68
Janssen Biotech, Inc. 2 $72.53
Daiichi Sankyo Inc. 3 $69.59
Novocure Inc. 1 $32.05
Genmab U.S., Inc. 1 $31.20
Kiniksa Pharmaceuticals International, plc 1 $29.89
Amneal Pharmaceuticals LLC 1 $27.40
Regeneron Healthcare Solutions, Inc. 1 $26.47
SpringWorks Therapeutics, Inc. 1 $24.93
Takeda Pharmaceuticals U.S.A., Inc. 1 $22.16
Stemline Therapeutics Inc. 1 $21.41
Novartis Pharmaceuticals Corporation 1 $18.66

By nature of payment

Food and Beverage
$838

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
204
Patients
0
Total drug cost
$544,740
Drug Type Claims Patients Total cost
Famotidine Generic 36 0 $626
Jakafi (Ruxolitinib Phosphate) Brand 28 0 $290,449
Leucovorin Calcium Generic 25 0 $4,199
Fentanyl Generic 21 0 $2,788
Dexamethasone Sodium Phosphate Generic 19 0 $75
Xtandi (Enzalutamide) Brand 19 0 $244,676
Celecoxib Generic 17 0 $1,268
Olanzapine Generic 15 0 $346
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 0 $266
Ondansetron Hcl (Ondansetron Hcl/Pf) Brand 12 0 $46

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Castro's medical specialty?
Dr. Michael Castro practices Medical Oncology Physician in Los Angeles, CA.
Where does Dr. Michael Castro practice?
Dr. Michael Castro practices at 10001 Venice Blvd Apt 402, Los Angeles, CA 900347439. Office phone: 8084454085.
What is Dr. Michael Castro's NPI?
Dr. Michael Castro's National Provider Identifier (NPI) is 1306834338, issued by NPPES.
Does Dr. Michael Castro accept Medicare assignment?
Yes. Dr. Michael Castro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Castro commonly perform?
Top Medicare-reported procedures in 2023: Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.