Dr. Jun Xu, MD

  • Arcadia, CA
  • Internist
NPI1497010391PAC ID0244547800
Medicare services, 2024
7,739
Medicare patients, 2024
492
Part D claims, 2024
25,410
Publications
14
MIPS score, 2024
75
Practice address
638 W Duarte Road #18, Arcadia, CA 91007
Practice phone
Call (626) 445-2371
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Arcadia Surgical Medical Center

Surgery Center - Medicare-Certified · Arcadia, California

See all 15 affiliations

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Dr. Jun Xu is an internist in Arcadia, California

Dr. Xu practices at Arcadia Surgical Medical Center in Arcadia, California.

Dr. Xu's NPI, 1497010391, was assigned on July 7, 2012. Dr. Xu graduated from Shanghai Jiao Tong University School of Medicine in 1992. Dr. Xu holds California license 133230.

NPI and contact details
Medicare PAC ID
0244547800
NPI enumeration date
July 7, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 445-2371
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

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

Dr. Jun Xu practices at Arcadia Surgical Medical Center in Arcadia, California

Dr. Xu's primary practice is Arcadia Surgical Medical Center, at 638 W Duarte Road #18, Arcadia, CA 91007. The practice phone is (626) 445-2371.

  • Arcadia Surgical Medical Center
    638 W Duarte Road #18, Arcadia, CA 91007Phone(626) 445-2371

Source: Dmand AI Affiliation Data

Dr. Jun Xu is affiliated with 15 sites of care

Dr. Xu's primary practice is Arcadia Surgical Medical Center in Arcadia, California. Dr. Xu is also affiliated with USC Arcadia Hospital. Dmand AI also links Dr. Xu to 4 more hospitals, 5 skilled nursing facilities, 3 home health agencies and 1 physician office, each named with a free account.

See all 15 affiliations for Dr. Xu

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Jun Xu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Xu practices, 15 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Arcadia Surgical Medical CenterAvailable with a free account
+14 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Jun Xu is one of 16,751 internists in California

Internal medicine is Dr. Xu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Xu is board certified in internal medicine by the American Board of Internal Medicine. Dr. Xu is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 133230 · 2014 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute gastroduodenitis, acute respiratory failure, acute skin infection, alzheimer's disease, aneurysm, arthritis, atrial fibrillation and flutter and bladder disease among the conditions Dr. Xu treats.

Internists near Dr. Xu

Counts of internists 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. Jun Xu billed Medicare for 7,739 services in 2024

CMS data shows 7,739 Medicare services from Dr. Xu across 22 procedure codes in 2024, for 492 Medicare patients. Medicare paid $503,933 for them.

Medicare services, 20247,739
Medicare patients492
Paid by Medicare$503,933
Procedure codes22

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

  • 2023
  • 2024
Office and hospital visits
2023: 6,2192024: 6,3202%
Other services
2023: 3262024: 1,235279%
Surgery
2023: 1872024: 15517%
Tests and treatments
2023: 642024: 2955%

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

  • In an office3,44244%
  • In a facility4,29756%

Dr. Xu compared with the California median for internists, 2024

  • Dr. Xu
  • California median
Medicare services
7,739vs 36121.4 times
Medicare patients
492vs 1513.3 times
Part D claims
24,555vs 42158.3 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Xu'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. Xu

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

Dr. Jun Xu treated 492 Medicare patients in 2024, average age 79

CMS counts 492 Medicare patients who saw Dr. Xu in 2024. The largest group is 75 to 84, with 159 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 85% are also on Medicaid. Their average risk score is 3.39, 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. Xu's median patient age at 73, with 54% women.

Medicare patients, 2024492
Average age79
Average risk score3.39
Also on Medicaid85%

Dr. Xu's Medicare patients by age, 2024

Dr. Xu's Medicare patients by sex, 2024

  • Women27255%
  • Men22045%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease53%
  4. Diabetes52%
  5. Ischemic heart disease48%
  6. Arthritis45%
  7. Alzheimer's and dementia42%
  8. Heart failure38%

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

Dr. Xu's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Jun Xu wrote 25,410 Medicare Part D claims in 2024

In 2024, Dr. Xu wrote 25,410 Medicare Part D claims for 719 patients. 83% of them were for generic drugs. CMS names the drug for 24,555 of them, across 242 drugs with 11 or more claims each, at $2,317,506 in total drug cost. In 2023, CMS named 23,929 claims across 258 drugs.

Part D claims, 202425,410
Drugs named by CMS242
Total drug cost$2.3M
Part D patients719

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

  • Generic20,968 claims83%
  • Brand-name4,342 claims17%
  • Other100 claims0%

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

  • Opioids1%156 of 25,410 claims
  • Antibiotics2%631 of 25,410 claims
  • Antipsychotics, patients 65 and over1%139 of 25,410 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: 23,9292024: 24,5553%

Drugs named by CMS: 242 in 2024, 258 in 2023.

See all prescribing by Dr. Xu

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. Jun Xu scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Xu for performance year 2024, reported individually. Dr. Xu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Jun Xu has 14 publications on record

Dmand AI links 14 papers to Dr. Xu, published from 2005 to 2016. 2008 was the busiest year, with 2. The most frequent topics are Algorithms, Glucose and Insulin. Dr. Xu's most frequent co-author is James Zhe Hui, MD.

Papers14
Years published2005 to 2016

Dr. Xu's papers by year, 2005 to 2016

Topics Dr. Xu writes about most

  • Algorithms
  • Glucose
  • Insulin
  • Gene Expression Profiling
  • Liver
  • Mice, Inbred C57BL
  • Oligonucleotide Array Sequence Analysis
  • Blood Glucose

Dr. Xu's most frequent co-authors

Recent publications by Dr. Xu

See all 14 publications and co-authors

See who Dr. Xu researches with

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

How network discovery works

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

Dr. Jun Xu received $16,127 in industry payments from 2016 to 2025

CMS Open Payments shows 332 general payments to Dr. Xu from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,478.

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

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

$16.1Kin total
  • Food and beverage$16,116100%
  • Education$100%

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

Share is of all general payments to this clinician.

See all payments to Dr. Xu

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

Dr. Jun Xu graduated from Shanghai Jiao Tong University School of Medicine

Dr. Xu graduated from Shanghai Jiao Tong University School of Medicine in 1992.

  1. Medical schoolShanghai Jiao Tong University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jun Xu accepts plans from 10 insurance carriers

Dr. Xu is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Xu accepts, by number of carriers

  1. Medicare9
  2. HMO6
  3. PPO6
  4. POS3
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jun Xu'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Dr. Jun Xu

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. Jun Xu's NPI number?

Dr. Jun Xu's NPI number is 1497010391. It was assigned on July 7, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Jun Xu?

Dr. Jun Xu is an internist in Arcadia, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Jun Xu practice?

Dr. Xu practices at 638 W Duarte Road #18, Arcadia, CA 91007. Dr. Xu's primary practice is Arcadia Surgical Medical Center in Arcadia, California. Dmand AI also links Dr. Xu to 4 hospitals, 5 skilled nursing facilities, 3 home health agencies and 1 physician office.

What is Dr. Jun Xu's office phone number?

The practice phone on file for Dr. Xu is (626) 445-2371.

What is Dr. Jun Xu's medical license number?

Dr. Xu holds California license 133230.

Which hospitals is Dr. Jun Xu affiliated with?

Dr. Xu is affiliated with USC Arcadia Hospital. Dmand AI links Dr. Xu to 4 more hospitals.

Does Dr. Jun Xu accept Medicare?

Yes. CMS data shows Dr. Xu billed Medicare for 7,739 services in 2024, and Dr. Xu accepts Medicare assignment.

What is Dr. Jun Xu's MIPS score?

Dr. Xu's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Jun Xu see?

CMS counts 492 Medicare patients who saw Dr. Xu in 2024, with an average age of 79.

Is Dr. Jun Xu board certified?

Yes. Dr. Xu is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Jun Xu bill to Medicare?

In 2024, Dr. Xu's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and medicare service (G2211).

Where did Dr. Jun Xu go to medical school?

Dr. Xu graduated from Shanghai Jiao Tong University School of Medicine in 1992.

What drugs does Dr. Jun Xu prescribe most?

In 2024 Medicare Part D data, Dr. Xu's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has Dr. Jun Xu received payments from drug or device companies?

CMS Open Payments shows $16,127 in general payments to Dr. Xu from 47 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Jun Xu been practicing?

Dr. Xu graduated from medical school in 1992, 34 years ago.

Does Dr. Jun Xu do research?

Dmand AI links 14 publications to Dr. Xu, published from 2005 to 2016.

Who does Dr. Jun Xu publish with?

Dr. Xu's most frequent co-authors are James Zhe Hui, MD (1 shared paper).

What insurance does Dr. Jun Xu accept?

Dr. Xu is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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