Jonathan Sung

  • Torrance, CA
  • Nephrologist
NPI1477057859PAC ID0547505497
Medicare services, 2024
1,323
Medicare patients, 2024
383
Part D claims, 2024
713
Publications
13
Hospital affiliations
3
Practice address
3291 Skypark Dr, Torrance, CA 90505
Practice phone
Call (310) 325-4517
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Internal Medicine and Nephrology Med. Group Inc.

Torrance, California

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Jonathan Sung is a nephrologist in Torrance, California

Jonathan Sung practices at Internal Medicine and Nephrology Med. Group Inc. in Torrance, California.

Jonathan Sung's NPI, 1477057859, was assigned on March 21, 2018. Jonathan Sung graduated from St. George's University School of Medicine in 2018. Jonathan Sung's California license number on file is A173433.

NPI and contact details
Medicare PAC ID
0547505497
NPI enumeration date
March 21, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 325-4517
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Jonathan Sung practices at Internal Medicine and Nephrology Med. Group Inc. in Torrance, California

Jonathan Sung's primary practice is Internal Medicine and Nephrology Med. Group Inc., at 3291 Skypark Dr, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 325-4517.

  • Internal Medicine and Nephrology Med. Group Inc.
    3291 Skypark Dr, Torrance, CA 90505 · Los Angeles CountyPhone(310) 325-4517

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Jonathan Sung is affiliated with 9 sites of care and 1 medical group

Jonathan Sung's primary practice is Internal Medicine and Nephrology Med. Group Inc. in Torrance, California. Jonathan Sung is also affiliated with Torrance Memorial Medical Center. The medical group on file is Internal Medicine & Nephrology Medical Group, Inc. Dmand AI also links Jonathan Sung to 2 more hospitals, 4 dialysis centers and 1 group practice or clinic, each named with a free account.

See all 10 affiliations for Jonathan Sung

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

Dmand AI tracks the EHR system at Jonathan Sung's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan Sung practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Internal Medicine and Nephrology Med. Group Inc.Available with a free account
+8 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Jonathan Sung is one of 1,401 nephrologists in California

Nephrology is Jonathan Sung's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Jonathan Sung is board certified in internal medicine by the American Board of Internal Medicine. Jonathan Sung has a license on file in California.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A173433 · 2021 to 2025 · taxonomy 207RN0300X

Clinical focus

Dmand AI lists acute kidney failure, chronic diabetes and chronic kidney disease among the conditions Jonathan Sung treats.

Nephrologists near Jonathan Sung

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

Jonathan Sung billed Medicare for 1,323 services in 2024

CMS data shows 1,323 Medicare services from Jonathan Sung across 7 procedure codes in 2024, for 383 Medicare patients. Medicare paid $116,157 for them.

Medicare services, 20241,323
Medicare patients383
Paid by Medicare$116,157
Procedure codes7

Jonathan Sung's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5632024: 1,189111%
Tests and treatments
2023: 152024: 134793%

Where Jonathan Sung's Medicare services took place, 2024

  • In an office32525%
  • In a facility99875%

Jonathan Sung compared with the California median for nephrologists, 2024

  • Jonathan Sung
  • California median
Medicare services
1,323vs 1,08422% above
Medicare patients
383vs 30725% above
Part D claims
499vs 95548% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Jonathan Sung's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Jonathan Sung

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Jonathan Sung treated 383 Medicare patients in 2024, average age 75

CMS counts 383 Medicare patients who saw Jonathan Sung in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 44% are also on Medicaid. Their average risk score is 3.76, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Jonathan Sung's median patient age at 72, with 51% women.

Medicare patients, 2024383
Average age75
Average risk score3.76
Also on Medicaid44%

Jonathan Sung's Medicare patients by age, 2024

Jonathan Sung's Medicare patients by sex, 2024

  • Women18548%
  • Men19852%

Chronic conditions among Jonathan Sung's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes68%
  5. Heart failure52%
  6. Arthritis45%
  7. Ischemic heart disease45%
  8. Atrial fibrillation36%

Share of Medicare patients with each condition. A patient can have several.

Jonathan Sung's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Jonathan Sung wrote 713 Medicare Part D claims in 2024

In 2024, Jonathan Sung wrote 713 Medicare Part D claims for 144 patients. 62% of them were for generic drugs. CMS names the drug for 499 of them, across 18 drugs with 11 or more claims each, at $213,110 in total drug cost. In 2023, CMS named 247 claims across 11 drugs.

Part D claims, 2024713
Drugs named by CMS18
Total drug cost$213,110
Part D patients144

Jonathan Sung's Part D claims by kind of drug, 2024

  • Generic441 claims62%
  • Brand-name251 claims35%
  • Other21 claims3%

Jonathan Sung'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.

Drug classes CMS tracks in Jonathan Sung's Part D claims, 2024

  • Antibiotics3%18 of 713 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2472024: 499102%

Drugs named by CMS: 18 in 2024, 11 in 2023.

See all prescribing by Jonathan Sung

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

Jonathan Sung offers telehealth to Medicare patients

Jonathan Sung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Jonathan Sung as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Jonathan Sung has 13 publications on record

Dmand AI links 13 papers to Jonathan Sung, published from 2011 to 2023. 2022 was the busiest year, with 5. The most frequent topics are Percutaneous Coronary Intervention and Electrocardiography. Jonathan Sung has published most often in Am J Cardiol. Jonathan Sung's most frequent co-authors are Abhishek Chaturvedi, MD, Nihar Desai, MD, MPH and Avirup Guha, MBBS.

Papers13
Years published2011 to 2023

Jonathan Sung's papers by year, 2011 to 2023

Topics Jonathan Sung writes about most

  • Percutaneous Coronary Intervention
  • Electrocardiography

Jonathan Sung's most frequent co-authors

Recent publications by Jonathan Sung

See all 13 publications and co-authors

See who Jonathan Sung researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Jonathan Sung 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

Jonathan Sung received $6,048 in industry payments from 2022 to 2025

CMS Open Payments shows 270 general payments to Jonathan Sung from 36 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 99% of the total. Aurinia Pharma U.S., Inc. paid the most, $814.

General payments to Jonathan Sung by program year, 2022 to 2025

General payments to Jonathan Sung by kind, 2022 to 2025

$6Kin total
  • Food and beverage$5,99499%
  • Education$541%

Companies that paid Jonathan Sung the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Jonathan Sung

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

Jonathan Sung graduated from St. George's University School of Medicine

Jonathan Sung graduated from St. George's University School of Medicine in 2018.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Jonathan Sung accepts plans from 8 insurance carriers

Jonathan Sung is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Humana

Plan types Jonathan Sung accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO4
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Jonathan Sung'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Jonathan Sung

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

What is Jonathan Sung's NPI number?

Jonathan Sung's NPI number is 1477057859. It was assigned on March 21, 2018, and it is active in the NPI Registry.

What does Jonathan Sung specialize in?

Jonathan Sung is a nephrologist in Torrance, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Jonathan Sung practice?

Jonathan Sung practices at 3291 Skypark Dr, Torrance, CA 90505. Jonathan Sung's primary practice is Internal Medicine and Nephrology Med. Group Inc. in Torrance, California. Dmand AI also links Jonathan Sung to 2 hospitals, 4 dialysis centers and 1 group practice or clinic.

What is Jonathan Sung's office phone number?

The practice phone on file for Jonathan Sung is (310) 325-4517.

What is Jonathan Sung's medical license number?

Jonathan Sung's California license number on file is A173433.

Which hospitals is Jonathan Sung affiliated with?

Jonathan Sung is affiliated with Torrance Memorial Medical Center. Dmand AI links Jonathan Sung to 2 more hospitals.

What medical group is Jonathan Sung part of?

Jonathan Sung is linked to Internal Medicine & Nephrology Medical Group, Inc.

Does Jonathan Sung accept Medicare?

Yes. CMS data shows Jonathan Sung billed Medicare for 1,323 services in 2024, and Jonathan Sung accepts Medicare assignment.

Does Jonathan Sung offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Jonathan Sung as offering telehealth services.

How many Medicare patients does Jonathan Sung see?

CMS counts 383 Medicare patients who saw Jonathan Sung in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Jonathan Sung board certified?

Yes. Jonathan Sung is board certified in internal medicine by the American Board of Internal Medicine.

What services does Jonathan Sung bill to Medicare?

In 2024, Jonathan Sung's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99233).

Where did Jonathan Sung go to medical school?

Jonathan Sung graduated from St. George's University School of Medicine in 2018.

What drugs does Jonathan Sung prescribe most?

In 2024 Medicare Part D data, Jonathan Sung's most prescribed drugs by claims were Losartan Potassium, Farxiga and Furosemide.

Has Jonathan Sung received payments from drug or device companies?

CMS Open Payments shows $6,048 in general payments to Jonathan Sung from 36 companies from 2022 to 2025. The largest total came from Aurinia Pharma U.S., Inc.

How long has Jonathan Sung been practicing?

Jonathan Sung graduated from medical school in 2018, 8 years ago.

Does Jonathan Sung do research?

Dmand AI links 13 publications to Jonathan Sung, published from 2011 to 2023.

Who does Jonathan Sung publish with?

Jonathan Sung's most frequent co-authors are Abhishek Chaturvedi, MD (2 shared papers), Nihar Desai, MD, MPH (2 shared papers) and Avirup Guha, MBBS (2 shared papers).

What insurance does Jonathan Sung accept?

Jonathan Sung is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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