Doctor profile · Federal record

Dr. Leo Mascarenhas, MD

Pediatric Hematology & Oncology Physician · Los Angeles, CA

  • NPI 1417057225
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
127 S San Vicente Blvd Fl 7
Los Angeles, CA 900483311
(310) 423-4423
fax (310) 423-4131
Additional location
100 W California Blvd
Pasadena, CA 911053010
(626) 397-5000
Additional location
4650 W Sunset Blvd
Los Angeles, CA 900276062
(323) 669-2121
fax (323) 600-7128
Show 1 more location
Additional location
8700 Beverly Blvd
West Hollywood, CA 900481804
Mailing address
4140 W 190Th St
Torrance, CA 905045513

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 23, 2025
Specialty taxonomy
2080P0207X — NUCC code
State license (1)
California #A54324
Medicaid
CA #00A54324A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417057225. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,885
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals Inc. 1 $1,885.00

By nature of payment

Consulting Fee
$1,885

Frequently asked questions

Auto-generated from federal data
What is Dr. Leo Mascarenhas's medical specialty?
Dr. Leo Mascarenhas practices Pediatric Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. Leo Mascarenhas practice?
Dr. Leo Mascarenhas practices at 127 S San Vicente Blvd Fl 7, Los Angeles, CA 900483311. Office phone: 3104234423.
What is Dr. Leo Mascarenhas's NPI?
Dr. Leo Mascarenhas's National Provider Identifier (NPI) is 1417057225, issued by NPPES.