Dr. Tong Sun, MD

  • Modesto, CA
  • Nephrologist
NPI1629161336PAC ID9133223746
Medicare services, 2024
3,469
Medicare patients, 2024
662
Part D claims, 2024
6,711
Publications
10
Hospital affiliations
5
Practice address
2200 Plaza Parkway, Suite B1-B4, Modesto, CA 95350
Practice phone
Call (209) 574-6818
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

U.S. Renal Care Parkway Dialysis

Dialysis Center - Independent · Modesto, California

See all 12 affiliations

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Dr. Tong Sun is a nephrologist in Modesto, California

Dr. Sun practices at U.S. Renal Care Parkway Dialysis in Modesto, California.

Dr. Sun's NPI, 1629161336, was assigned on October 2, 2006. Dr. Sun graduated from Shanghai Medical University in 1991. Dr. Sun holds California license A97313.

NPI and contact details
Medicare PAC ID
9133223746
NPI enumeration date
October 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(209) 574-6818
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

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

Dr. Tong Sun practices at U.S. Renal Care Parkway Dialysis in Modesto, California

Dr. Sun's primary practice is U.S. Renal Care Parkway Dialysis, at 2200 Plaza Parkway, Suite B1-B4, Modesto, CA 95350 in Stanislaus County. The practice phone is (209) 574-6818.

  • U.S. Renal Care Parkway Dialysis
    2200 Plaza Parkway, Suite B1-B4, Modesto, CA 95350 · Stanislaus CountyPhone(209) 574-6818

Source: Dmand AI Affiliation Data

Dr. Tong Sun is affiliated with 10 sites of care and 2 medical groups

Dr. Sun's primary practice is U.S. Renal Care Parkway Dialysis in Modesto, California. Dr. Sun is also affiliated with Memorial Medical Center. The medical group on file is Modesto Kidney Medical Group. Dmand AI also links Dr. Sun to 4 more hospitals, 4 dialysis centers and 1 medical group, each named with a free account.

See all 12 affiliations for Dr. Sun

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

Dmand AI tracks the EHR system at Dr. Tong Sun's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
U.S. Renal Care Parkway DialysisAvailable with a free account
+9 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tong Sun is one of 1,401 nephrologists in California

Nephrology is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Sun is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Sun's licenses on file in 3 states: California, Florida and New York.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A97313 · 2006 to 2026 · taxonomy 207RN0300X
  • Florida license2007 to 2009
  • New York license2006 to 2008

Clinical focus

Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances and kidney cysts among the conditions Dr. Sun treats.

Nephrologists near Dr. Sun

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

Dr. Tong Sun billed Medicare for 3,469 services in 2024

CMS data shows 3,469 Medicare services from Dr. Sun across 11 procedure codes in 2024, for 662 Medicare patients. Medicare paid $362,733 for them.

Medicare services, 20243,469
Medicare patients662
Paid by Medicare$362,733
Procedure codes11

Dr. Sun's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,9132024: 3,00057%
Tests and treatments
2023: 4522024: 4694%
Lab and pathology
2023: 172024: 0100%

Where Dr. Sun's Medicare services took place, 2024

  • In an office1,13533%
  • In a facility2,33467%

Dr. Sun compared with the California median for nephrologists, 2024

  • Dr. Sun
  • California median
Medicare services
3,469vs 1,0843.2 times
Medicare patients
662vs 3072.2 times
Part D claims
6,424vs 9556.7 times

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

Dr. Sun'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 Dr. Sun

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sun and other nephrologists in California.

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

Dr. Tong Sun treated 662 Medicare patients in 2024, average age 74

CMS counts 662 Medicare patients who saw Dr. Sun in 2024. The largest group is 75 to 84, with 238 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 56% are also on Medicaid. Their average risk score is 3.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 74, with 50% women.

Medicare patients, 2024662
Average age74
Average risk score3.07
Also on Medicaid56%

Dr. Sun's Medicare patients by age, 2024

Dr. Sun's Medicare patients by sex, 2024

  • Women32148%
  • Men34152%

Chronic conditions among Dr. Sun's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes68%
  5. Heart failure49%
  6. Arthritis45%
  7. Ischemic heart disease45%
  8. Atrial fibrillation35%

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

Dr. Sun's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Tong Sun wrote 6,711 Medicare Part D claims in 2024

In 2024, Dr. Sun wrote 6,711 Medicare Part D claims for 725 patients. 86% of them were for generic drugs. CMS names the drug for 6,424 of them, across 57 drugs with 11 or more claims each, at $365,211 in total drug cost. In 2023, CMS named 6,080 claims across 62 drugs.

Part D claims, 20246,711
Drugs named by CMS57
Total drug cost$365,211
Part D patients725

Dr. Sun's Part D claims by kind of drug, 2024

  • Generic5,777 claims86%
  • Brand-name920 claims14%
  • Other14 claims0%

Dr. Sun'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 Dr. Sun's Part D claims, 2024

  • Opioids0%27 of 6,711 claims
  • Antibiotics2%113 of 6,711 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: 6,0802024: 6,4246%

Drugs named by CMS: 57 in 2024, 62 in 2023.

See all prescribing by Dr. Sun

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

Dr. Tong Sun offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Tong Sun has 10 publications on record

Dmand AI links 10 papers to Dr. Sun, published from 2009 to 2016. 2010 was the busiest year, with 3. The most frequent topics are Prostatic Neoplasms, Genetic Predisposition to Disease and Polymorphism, Single Nucleotide. Dr. Sun has published most often in Clin Cancer Res. Dr. Sun's most frequent co-authors are Philip W. Kantoff, MD, William K. Oh, MD and William Oh, MD.

Papers10
Years published2009 to 2016

Dr. Sun's papers by year, 2009 to 2016

Topics Dr. Sun writes about most

  • Prostatic Neoplasms
  • Genetic Predisposition to Disease
  • Polymorphism, Single Nucleotide
  • Genotype
  • Neoplasm Invasiveness
  • Cell Line, Tumor
  • Disease Progression
  • Receptors, Androgen

Dr. Sun's most frequent co-authors

Recent publications by Dr. Sun

See all 10 publications and co-authors

See who Dr. Sun researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sun 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

Dr. Tong Sun received $4,940 in industry payments from 2016 to 2025

CMS Open Payments shows 213 general payments to Dr. Sun from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. AstraZeneca Pharmaceuticals LP paid the most, $892.

General payments to Dr. Sun by program year, 2016 to 2025

General payments to Dr. Sun by kind, 2016 to 2025

$4.9Kin total
  • Food and beverage$4,23586%
  • Honoraria$4008%
  • Education$3046%

Companies that paid Dr. Sun the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sun

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

Dr. Tong Sun has 1 award and honors on record

Dmand AI lists 1 award for Dr. Sun, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Sun

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Tong Sun graduated from Shanghai Medical University

Dr. Sun graduated from Shanghai Medical University in 1991.

  1. Medical schoolShanghai Medical University
  2. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Tong Sun accepts plans from 16 insurance carriers

Dr. Sun is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • Aspirus Health Plan
  • +8 more carriersWith a free account

Plan types Dr. Sun accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO7
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Tong Sun'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 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)
Awards and committee rolesDmand AI Professional Profile Data
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 Dr. Tong Sun

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

What is Dr. Tong Sun's NPI number?

Dr. Tong Sun's NPI number is 1629161336. It was assigned on October 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tong Sun?

Dr. Tong Sun is a nephrologist in Modesto, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Tong Sun practice?

Dr. Sun practices at 2200 Plaza Parkway, Suite B1-B4, Modesto, CA 95350. Dr. Sun's primary practice is U.S. Renal Care Parkway Dialysis in Modesto, California. Dmand AI also links Dr. Sun to 4 hospitals, 4 dialysis centers and 1 medical group.

What is Dr. Tong Sun's office phone number?

The practice phone on file for Dr. Sun is (209) 574-6818.

What is Dr. Tong Sun's medical license number?

Dr. Sun holds California license A97313, one of the licenses on file in 3 states.

Which states has Dr. Tong Sun been licensed in?

Dmand AI has state licenses on file for Dr. Sun in California (2006 to 2026), Florida (2007 to 2009) and New York (2006 to 2008).

Which hospitals is Dr. Tong Sun affiliated with?

Dr. Sun is affiliated with Memorial Medical Center. Dmand AI links Dr. Sun to 4 more hospitals.

What medical group is Dr. Tong Sun part of?

Dr. Sun is linked to Modesto Kidney Medical Group. Dmand AI links Dr. Sun to 1 more medical group.

Does Dr. Tong Sun accept Medicare?

Yes. CMS data shows Dr. Sun billed Medicare for 3,469 services in 2024, and Dr. Sun accepts Medicare assignment.

Does Dr. Tong Sun offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Sun as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Tong Sun see?

CMS counts 662 Medicare patients who saw Dr. Sun in 2024, with an average age of 74.

Is Dr. Tong Sun board certified?

Yes. Dr. Sun is board certified in nephrology by the American Board of Internal Medicine.

What services does Dr. Tong Sun bill to Medicare?

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

Where did Dr. Tong Sun go to medical school?

Dr. Sun graduated from Shanghai Medical University in 1991.

What drugs does Dr. Tong Sun prescribe most?

In 2024 Medicare Part D data, Dr. Sun's most prescribed drugs by claims were Furosemide, Allopurinol and Amlodipine Besylate.

Has Dr. Tong Sun received payments from drug or device companies?

CMS Open Payments shows $4,940 in general payments to Dr. Sun from 28 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Tong Sun been practicing?

Dr. Sun graduated from medical school in 1991, 35 years ago.

Does Dr. Tong Sun do research?

Dmand AI links 10 publications to Dr. Sun, published from 2009 to 2016.

Who does Dr. Tong Sun publish with?

Dr. Sun's most frequent co-authors are Philip W. Kantoff, MD (8 shared papers), William K. Oh, MD (4 shared papers) and William Oh, MD (2 shared papers).

What insurance does Dr. Tong Sun accept?

Dr. Sun is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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