J Pharmacol Exp Ther
Dr. Jun Xu, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arcadia Surgical Medical Center
Surgery Center - Medicare-Certified · Arcadia, California
Find Dr. Xu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1497010391NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244547800
- NPI enumeration date
- July 7, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 445-2371
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 Center638 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.
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.
| Site | EHR vendor and product |
|---|---|
| Arcadia Surgical Medical Center | Available with a free account |
| +14 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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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, CaliforniaPrimary
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.
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.
Need commercial claims for Dr. Xu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Xu and other internists in California.
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.
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
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease53%
- Diabetes52%
- Ischemic heart disease48%
- Arthritis45%
- Alzheimer's and dementia42%
- 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.
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.
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.
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
Comput Methods Programs Biomed
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.
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
- 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.
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.
- Medical school
- Board certified in 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.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +2 more carriersWith a free account
Plan types Dr. Xu accepts, by number of carriers
- Medicare9
- HMO6
- PPO6
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jun Xu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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