Doctor profile · Federal record

Dr. Catherine Santizo, PA

Physician Assistant · Santa Clarita, CA

  • NPI 1437882875
  • 3 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18533 Soledad Canyon RD
Santa Clarita, CA 913513722
(661) 673-8800

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Profile last updated
October 18, 2025
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA63001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437882875. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,014
Transactions
27
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 5 $200.53
RedHill Biopharma INC. 2 $180.15
Novo Nordisk INC 1 $112.56
Otsuka America Pharmaceutical, INC. 5 $112.37
Boehringer Ingelheim Pharmaceuticals, INC. 1 $103.37
Bayer Healthcare Pharmaceuticals INC. 3 $75.69
Amgen INC. 3 $65.75
Merck Sharp & Dohme LLC 2 $59.61
GlaxoSmithKline, LLC. 2 $46.48
Lucid Diagnostics INC. 1 $24.47
Phadia US INC. 1 $19.78
Xeris Pharmaceuticals, INC. 1 $13.34

By nature of payment

Food and Beverage
$1,009
Travel and Lodging
$5

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Santizo's medical specialty?
Dr. Catherine Santizo practices Physician Assistant in Santa Clarita, CA.
Where does Dr. Catherine Santizo practice?
Dr. Catherine Santizo practices at 18533 Soledad Canyon RD, Santa Clarita, CA 913513722. Office phone: 6616738800.
What is Dr. Catherine Santizo's NPI?
Dr. Catherine Santizo's National Provider Identifier (NPI) is 1437882875, issued by NPPES.
Does Dr. Catherine Santizo accept Medicare assignment?
Dr. Catherine Santizo does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.