Cathleen Hyun Marquez

  • Los Angeles, CA
  • Physician assistant
NPI1609129170
Part D claims, 2024
1,888
Industry payments
$43
Affiliated sites
2
Medical groups
2
State license
1
Practice address
5970 South Central Ave, Los Angeles, CA 90001
Practice phone
Call (323) 234-3280
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

South Los Angeles Health Center

FQHC - Main Site · Los Angeles, California

See all 4 affiliations

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Cathleen Hyun Marquez is a physician assistant in Los Angeles, California

Cathleen Marquez practices at South Los Angeles Health Center in Los Angeles, California.

Cathleen Marquez's NPI, 1609129170, was assigned on October 22, 2012. Cathleen Marquez holds California license PA52723.

NPI and contact details
NPI enumeration date
October 22, 2012
NPI status
Active
Practice phone
(323) 234-3280
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Cathleen Hyun Marquez practices at South Los Angeles Health Center in Los Angeles, California

Cathleen Marquez's primary practice is South Los Angeles Health Center, at 5970 South Central Ave, Los Angeles, CA 90001 in Los Angeles County. The practice phone is (323) 234-3280.

  • South Los Angeles Health Center
    5970 South Central Ave, Los Angeles, CA 90001 · Los Angeles CountyPhone(323) 234-3280

Source: Dmand AI Affiliation Data

Cathleen Hyun Marquez is affiliated with 2 sites of care and 2 medical groups

Cathleen Marquez's primary practice is South Los Angeles Health Center in Los Angeles, California. The medical group on file is Central City Community Health Center. Dmand AI also links Cathleen Marquez to 1 more community health center and 1 medical group, each named with a free account. Cathleen Marquez's employer is on file too: a community health center (fqhc).

See all 4 affiliations for Cathleen Marquez

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

Dmand AI tracks the EHR system at Cathleen Hyun Marquez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Cathleen Marquez practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
South Los Angeles Health CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Cathleen Hyun Marquez is one of 11,482 physician assistants in California

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

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA52723 · taxonomy 363A00000X

Physician assistants near Cathleen Marquez

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

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

Cathleen Hyun Marquez's patients have a median age of 54

Across all payers, Dmand AI patient panel data puts Cathleen Marquez's median patient age at 54, with 67% women.

Cathleen Marquez's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Cathleen Hyun Marquez wrote 1,888 Medicare Part D claims in 2024

In 2024, Cathleen Marquez wrote 1,888 Medicare Part D claims for 158 patients. 73% of them were for generic drugs.

Part D claims, 20241,888
Part D patients158

Cathleen Marquez's Part D claims by kind of drug, 2024

  • Generic1,380 claims73%
  • Brand-name461 claims24%
  • Other47 claims2%

Drug classes CMS tracks in Cathleen Marquez's Part D claims, 2024

  • Antibiotics1%20 of 1,888 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

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

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Cathleen Hyun Marquez received $43 in industry payments in 2025

CMS Open Payments shows 2 general payments to Cathleen Marquez from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $22.

Companies that paid Cathleen Marquez the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Cathleen Marquez

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

Sources for Cathleen Hyun Marquez'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)
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 Cathleen Hyun Marquez

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

What is Cathleen Hyun Marquez's NPI number?

Cathleen Hyun Marquez's NPI number is 1609129170. It was assigned on October 22, 2012, and it is active in the NPI Registry.

What does Cathleen Hyun Marquez specialize in?

Cathleen Hyun Marquez is a physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Cathleen Hyun Marquez practice?

Cathleen Marquez practices at 5970 South Central Ave, Los Angeles, CA 90001. Cathleen Marquez's primary practice is South Los Angeles Health Center in Los Angeles, California. Dmand AI also links Cathleen Marquez to 1 community health center and 1 medical group.

What is Cathleen Hyun Marquez's office phone number?

The practice phone on file for Cathleen Marquez is (323) 234-3280.

What is Cathleen Hyun Marquez's medical license number?

Cathleen Marquez holds California license PA52723.

What medical group is Cathleen Hyun Marquez part of?

Cathleen Marquez is linked to Central City Community Health Center. Dmand AI links Cathleen Marquez to 1 more medical group.

Has Cathleen Hyun Marquez received payments from drug or device companies?

CMS Open Payments shows $43 in general payments to Cathleen Marquez from 2 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.

How long has Cathleen Hyun Marquez been practicing?

Cathleen Marquez's NPI was assigned in 2012.

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