Jonas Kwok

  • Los Angeles, CA
  • Nephrologist
NPI1528528999
Part D claims, 2024
145
Publications
2
Hospital affiliations
1
Industry payments
$550
Medical group
1
Practice address
2051 Marengo St, Room C2K100, Los Angeles, CA 90033
Practice phone
Call (323) 226-2800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Los Angeles General Medical Center

Hospital · Los Angeles, California

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Jonas Kwok is a nephrologist in Los Angeles, California

Jonas Kwok practices at Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles.

Jonas Kwok's NPI, 1528528999, was assigned on March 22, 2019. Jonas Kwok holds Pennsylvania license MT227853.

NPI and contact details
NPI enumeration date
March 22, 2019
NPI status
Active
Practice phone
(323) 226-2800
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Jonas Kwok practices at Los Angeles General Medical Center in Los Angeles, California

Jonas Kwok's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Room C2K100, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 226-2800.

Source: Dmand AI Affiliation Data

Jonas Kwok is affiliated with 1 site of care and 1 medical group

Jonas Kwok's primary practice is Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center.

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

Dmand AI tracks the EHR system at Jonas Kwok's practice

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

EHR by site
SiteEHR vendor and product
Los Angeles General Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Jonas Kwok is one of 1,401 nephrologists in California

Nephrology is Jonas Kwok's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Jonas Kwok is licensed in Pennsylvania.

Specialties and state licenses

  • Nephrology, PennsylvaniaPrimaryLicense MT227853 · taxonomy 207RN0300X

Nephrologists near Jonas Kwok

Counts of nephrologists 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

Jonas Kwok's patients have a median age of 16

Across all payers, Dmand AI patient panel data puts Jonas Kwok's median patient age at 16, with 50% women.

Jonas Kwok's patients across all payers

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

Patient panel by age, all payers

Median age 16

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Jonas Kwok wrote 145 Medicare Part D claims in 2024

In 2024, Jonas Kwok wrote 145 Medicare Part D claims for 34 patients. 92% of them were for generic drugs. CMS names the drug for 36 of them, across 2 drugs with 11 or more claims each, at $830 in total drug cost. In 2023, CMS named 12 claims across 1 drug.

Part D claims, 2024145
Drugs named by CMS2
Total drug cost$830
Part D patients34

Jonas Kwok's Part D claims by kind of drug, 2024

  • Generic134 claims92%
  • Brand-name11 claims8%

Jonas Kwok's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 122024: 36200%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Jonas Kwok

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Jonas Kwok has 2 publications on record

Dmand AI links 2 papers to Jonas Kwok, published from 2015 to 2017. Jonas Kwok's most frequent co-authors are Christine B. Sethna, MD and Howard Trachtman, MD.

Papers2
Years published2015 to 2017

Jonas Kwok's most frequent co-authors

Recent publications by Jonas Kwok

See all 2 publications and co-authors

See who Jonas Kwok researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Jonas Kwok works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Jonas Kwok received $550 in industry payments from 2024 to 2025

CMS Open Payments shows 5 general payments to Jonas Kwok from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Aurinia Pharma U.S., Inc. paid the most, $202.

General payments to Jonas Kwok by program year, 2024 to 2025

Companies that paid Jonas Kwok the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Jonas Kwok

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

Sources for Jonas Kwok'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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Jonas Kwok

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

What is Jonas Kwok's NPI number?

Jonas Kwok's NPI number is 1528528999. It was assigned on March 22, 2019, and it is active in the NPI Registry.

What does Jonas Kwok specialize in?

Jonas Kwok is a nephrologist in Los Angeles, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Jonas Kwok practice?

Jonas Kwok practices at 2051 Marengo St, Room C2K100, Los Angeles, CA 90033. Jonas Kwok's primary practice is Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles.

What is Jonas Kwok's office phone number?

The practice phone on file for Jonas Kwok is (323) 226-2800.

What is Jonas Kwok's medical license number?

Jonas Kwok holds Pennsylvania license MT227853.

Which hospitals is Jonas Kwok affiliated with?

Jonas Kwok practices at Los Angeles General Medical Center in Los Angeles, California.

What medical group is Jonas Kwok part of?

Jonas Kwok is linked to Harbor-UCLA Medical Center.

What drugs does Jonas Kwok prescribe most?

In 2024 Medicare Part D data, Jonas Kwok's most prescribed drugs by claims were Olmesartan Medoxomil and Amlodipine Besylate.

Has Jonas Kwok received payments from drug or device companies?

CMS Open Payments shows $550 in general payments to Jonas Kwok from 4 companies from 2024 to 2025. The largest total came from Aurinia Pharma U.S., Inc.

How long has Jonas Kwok been practicing?

Jonas Kwok's NPI was assigned in 2019.

Does Jonas Kwok do research?

Dmand AI links 2 publications to Jonas Kwok, published from 2015 to 2017.

Who does Jonas Kwok publish with?

Jonas Kwok's most frequent co-authors are Christine B. Sethna, MD (1 shared paper) and Howard Trachtman, MD (1 shared paper).

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