Catherine J. Santizo, PA

  • Canyon Country, CA
  • Physician assistant
NPI1437882875PAC ID0446770242
Part D claims, 2024
483
Industry payments
$150
Affiliated sites
1
Medical group
1
State license
1
Practice address
18533 Soledad Canyon Road, Santa Clarita, CA 91351
Practice phone
Call (661) 673-8800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clarita Health Center

FQHC - Main Site · Santa Clarita, California

See all 2 affiliations

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Catherine J. Santizo is a physician assistant in Canyon Country, California

Catherine Santizo practices at Santa Clarita Health Center in Santa Clarita, California.

Catherine Santizo's NPI, 1437882875, was assigned on July 4, 2022. Catherine Santizo graduated from University of Southern California Keck School of Medicine in 2023. Catherine Santizo holds California license PA63001.

NPI and contact details
Medicare PAC ID
0446770242
NPI enumeration date
July 4, 2022
NPI status
Active
Practice phone
(661) 673-8800
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Catherine J. Santizo practices at Santa Clarita Health Center in Santa Clarita, California

Catherine Santizo's primary practice is Santa Clarita Health Center, at 18533 Soledad Canyon Road, Santa Clarita, CA 91351 in Los Angeles County. The practice phone is (661) 673-8800.

  • Santa Clarita Health Center
    18533 Soledad Canyon Road, Santa Clarita, CA 91351 · Los Angeles CountyPhone(661) 673-8800

Source: Dmand AI Affiliation Data

Catherine J. Santizo is affiliated with 1 site of care and 1 medical group

Catherine Santizo's primary practice is Santa Clarita Health Center in Santa Clarita, California. The medical group on file is Northeast Valley Health Corporation. Catherine Santizo's employer is on file too: a community health center (fqhc).

See all 2 affiliations for Catherine Santizo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Catherine J. Santizo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Santizo practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clarita Health CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Catherine J. Santizo is one of 11,482 physician assistants in California

Physician assistant is Catherine Santizo's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Catherine Santizo is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA63001 · taxonomy 363A00000X

Physician assistants near Catherine Santizo

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

11,482physician assistants in California
2physician assistants in Canyon Country

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Catherine J. Santizo's patients have a median age of 40

Across all payers, Dmand AI patient panel data puts Catherine Santizo's median patient age at 40, with 68% women.

Catherine Santizo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women68%
  • Men32%

Source: Dmand AI Patient Panel Data

Catherine J. Santizo wrote 483 Medicare Part D claims in 2024

In 2024, Catherine Santizo wrote 483 Medicare Part D claims for 73 patients. 82% of them were for generic drugs.

Part D claims, 2024483
Part D patients73

Catherine Santizo's Part D claims by kind of drug, 2024

  • Generic395 claims82%
  • Brand-name and other88 claims18%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Catherine J. Santizo received $150 in industry payments in 2025

CMS Open Payments shows 1 general payment to Catherine Santizo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $150.

Companies that paid Catherine Santizo the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Catherine Santizo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Catherine J. Santizo graduated from University of Southern California Keck School of Medicine

Catherine Santizo graduated from University of Southern California Keck School of Medicine in 2023.

  1. Medical schoolUniversity of Southern California Keck School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Catherine J. Santizo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Catherine J. Santizo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Catherine J. Santizo's NPI number?

Catherine J. Santizo's NPI number is 1437882875. It was assigned on July 4, 2022, and it is active in the NPI Registry.

What does Catherine J. Santizo specialize in?

Catherine J. Santizo is a physician assistant in Canyon Country, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Catherine J. Santizo practice?

Catherine Santizo practices at 18533 Soledad Canyon Road, Santa Clarita, CA 91351. Catherine Santizo's primary practice is Santa Clarita Health Center in Santa Clarita, California.

What is Catherine J. Santizo's office phone number?

The practice phone on file for Catherine Santizo is (661) 673-8800.

What is Catherine J. Santizo's medical license number?

Catherine Santizo holds California license PA63001.

What medical group is Catherine J. Santizo part of?

Catherine Santizo is linked to Northeast Valley Health Corporation.

Where did Catherine J. Santizo go to medical school?

Catherine Santizo graduated from University of Southern California Keck School of Medicine in 2023.

Has Catherine J. Santizo received payments from drug or device companies?

CMS Open Payments shows $150 in general payments to Catherine Santizo from 1 company from 2025 to 2025. The largest total came from Madrigal Pharmaceuticals.

How long has Catherine J. Santizo been practicing?

Catherine Santizo graduated from medical school in 2023, 3 years ago.

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