Doctor profile · Federal record

Dr. GRETEL D'SOUZA, M.D.

Rheumatology Physician (CMS: RHEUMATOLOGY) · Student in an Organized Health Care Education/Training Program · SYLMAR, CA

  • NPI 1679138531
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
14445 OLIVE VIEW DR
SYLMAR, CA 913421437
(747) 210-3205
fax (805) 569-8358
Additional location
SBCH, Medical Education, 400 W Pueblo Street
Santa Barbara, CA 93015
(805) 569-7315

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
July 27, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #178675

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679138531. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,469
Transactions
35
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 9 $317.43
ABBVIE INC. 4 $275.25
AstraZeneca Pharmaceuticals LP 2 $238.93
Aurinia Pharma U.S., Inc. 4 $217.34
Novartis Pharmaceuticals Corporation 7 $161.21
GlaxoSmithKline, LLC. 4 $88.23
Janssen Biotech, Inc. 1 $59.99
UCB, Inc. 1 $36.64
Fresenius Kabi USA, LLC 1 $24.92
Janssen Scientific Affairs, LLC 1 $24.89
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $24.02

By nature of payment

Food and Beverage
$1,409
Education
$60

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
41
Total drug cost
$40,327
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 37 14 $2,048
Hydroxychloroquine Sulfate Generic 33 16 $2,657
Prednisone Generic 22 11 $329
Enbrel Sureclick (Etanercept) Brand 17 0 $32,435
Omeprazole Generic 15 0 $428
Gabapentin Generic 14 0 $1,236
Alendronate Sodium Generic 13 0 $314
Pilocarpine Hcl Generic 11 0 $881