Doctor profile · Federal record

Dr. John Shen, M.D.

Hematology & Oncology Physician · Internal Medicine Physician · Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA

  • NPI 1104183631
  • 14 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 MED Plaza, # 365,420,120
Los Angeles, CA 90045
(818) 995-8044
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
August 9, 2018
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A128805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104183631. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20,572
Distinct HCPCS
10
Medicare allowed
$576,070
HCPCS Description Services Patients Avg allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 8,670 11 $0
J0897 Injection, denosumab, 1 mg 6,060 26 $23
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 760 92 $170
J1100 Injection, dexamethasone sodium phosphate, 1 mg 625 24 $0
J2506 Injection, pegfilgrastim, excludes biosimilar, 0.5 mg 574 17 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 539 239 $140
J2405 Injection, ondansetron hydrochloride, per 1 mg 496 18 $0
99215 Established patient office or other outpatient visit, 40-54 minutes 458 193 $194
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 279 136 $8
J7050 Infusion, normal saline solution, 250 cc 222 73 $1

In context: peer comparison

Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$8,452
Transactions
18
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Janssen Global Services, LLC 2 $3,437.52
Janssen Research & Development, LLC 3 $2,056.89
Pfizer INC. 2 $1,908.00
AstraZeneca Pharmaceuticals Lp 3 $546.83
Astellas Pharma US INC 2 $224.95
Bayer Healthcare Pharmaceuticals INC. 1 $121.30
AstraZeneca Uk Limited 2 $94.29
Sun Pharmaceutical Industries INC. 1 $24.27
Janssen Biotech, INC. 1 $18.82
Sumitomo Pharma America, INC. 1 $18.80

By nature of payment

Consulting Fee
$7,815
Food and Beverage
$519
Education
$118

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,381
Patients
274
Total drug cost
$8,576,632
Drug Type Claims Patients Total cost
Abiraterone Acetate Generic 297 48 $1,268,825
Prednisone Generic 279 68 $2,160
Erleada (Apalutamide) Brand 235 35 $3,519,196
Nubeqa (Darolutamide) Brand 143 19 $1,967,696
Xtandi (Enzalutamide) Brand 102 17 $1,433,799
Orgovyx (Relugolix) Brand 76 0 $195,923
Tamsulosin Hcl Generic 61 25 $1,887
Potassium Chloride Generic 40 11 $855
Ondansetron Hcl Generic 26 19 $479
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 25 0 $730

Frequently asked questions

Auto-generated from federal data
What is Dr. John Shen's medical specialty?
Dr. John Shen practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. John Shen practice?
Dr. John Shen practices at 200 MED Plaza, Los Angeles, CA 90045. Office phone: 8189958044.
What is Dr. John Shen's NPI?
Dr. John Shen's National Provider Identifier (NPI) is 1104183631, issued by NPPES.
What procedures does Dr. John Shen commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, denosumab, 1 mg (HCPCS J0897); Leuprolide acetate (for depot suspension), 7.5 mg (HCPCS J9217). Source: CMS Medicare Physician & Other Practitioners file.