Doctor profile · Federal record

Dr. Mauro Janoski, MD

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

  • NPI 1154386290
  • Accepts Medicare
  • 43 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
11480 Brookshire Ave., Suite 309
Downey, CA 902415025
(562) 869-1201
fax (562) 869-1201
Additional location
3400 Ministry Pkwy
Weston, WI 544765220
(715) 393-1220
Mailing address
18000 Studebaker RD Ste 800
Cerritos, CA 907032671

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 7, 2026
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
Tennessee #40198 · California #C54846 · Wisconsin #84139

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154386290. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
861
Distinct HCPCS
3
Medicare allowed
$73,106
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 432 131 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 389 108 $99
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $135

In context: peer comparison

Among 5 peers in this city , average services per provider: 137. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $16.87

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
333
Patients
48
Total drug cost
$30,065
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 40 12 $1,055
Tamoxifen Citrate Generic 37 0 $998
Prednisone Generic 36 0 $366
Olanzapine Generic 31 11 $1,837
Anastrozole Generic 26 0 $1,426
Duloxetine Hcl Generic 23 0 $675
Ondansetron Hcl Generic 20 14 $588
Eliquis (Apixaban) Brand 18 0 $11,953
Mirtazapine Generic 17 0 $192
Xarelto (Rivaroxaban) Brand 17 0 $9,953

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mauro Janoski's medical specialty?
Dr. Mauro Janoski practices Hematology & Oncology Physician in Downey, CA.
Where does Dr. Mauro Janoski practice?
Dr. Mauro Janoski practices at 11480 Brookshire Ave., Downey, CA 902415025. Office phone: 5628691201.
What is Dr. Mauro Janoski's NPI?
Dr. Mauro Janoski's National Provider Identifier (NPI) is 1154386290, issued by NPPES.
Does Dr. Mauro Janoski accept Medicare assignment?
Yes. Dr. Mauro Janoski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mauro Janoski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.