Dr. Xiaochuan Chen, MD

  • Stockton, CA
  • Internist
NPI1750549614PAC ID4385708593
Medicare services, 2024
493
Medicare patients, 2024
101
Part D claims, 2024
3,939
Publications
16
Industry payments
$1,483
Practice address
8001 Lorraine Ave, Stockton, CA 95210
Practice phone
Call (925) 820-8300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hill Physicians Medical Group

Stockton, California

See all 4 affiliations

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Dr. Xiaochuan Chen is an internist in Stockton, California

Dr. Chen practices at Hill Physicians Medical Group in Stockton, California.

Dr. Chen's NPI, 1750549614, was assigned on May 28, 2008. Dr. Chen graduated from Guangzhou Medical College in 1986. Dr. Chen holds California license A105640.

NPI and contact details
Medicare PAC ID
4385708593
NPI enumeration date
May 28, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(925) 820-8300
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
66
Medical school graduation
1986

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

Dr. Xiaochuan Chen practices at Hill Physicians Medical Group in Stockton, California

Dr. Chen's primary practice is Hill Physicians Medical Group, at 8001 Lorraine Ave, Stockton, CA 95210 in San Joaquin County. The practice phone is (925) 820-8300.

  • Hill Physicians Medical Group
    8001 Lorraine Ave, Stockton, CA 95210 · San Joaquin CountyPhone(925) 820-8300

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

Dr. Xiaochuan Chen is affiliated with 2 sites of care and 2 medical groups

Dr. Chen's primary practice is Hill Physicians Medical Group in Stockton, California. The medical group on file is Quantum Healthcare Medical Associates Inc. Dmand AI also links Dr. Chen to 1 more physician office and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Chen

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

Dmand AI tracks the EHR system at Dr. Xiaochuan Chen's practice

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

EHR by site
SiteEHR vendor and product
Hill Physicians Medical GroupAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Xiaochuan Chen is one of 16,751 internists in California

Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 3 states: California, Georgia and New York.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A105640 · 2008 to 2026 · taxonomy 207R00000X
  • Georgia license2008 to 2016
  • New York license2008 to 2010

Clinical focus

Dmand AI lists acid reflux, acute skin infection, anxiety, asthma, atrial fibrillation and flutter, cerebrovascular disease, chronic diabetes and chronic hypertension among the conditions Dr. Chen treats.

Internists near Dr. Chen

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. Xiaochuan Chen billed Medicare for 493 services in 2024

CMS data shows 493 Medicare services from Dr. Chen across 10 procedure codes in 2024, for 101 Medicare patients. Medicare paid $42,913 for them. Every service was in an office.

Medicare services, 2024493
Medicare patients101
Paid by Medicare$42,913
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 4002024: 30125%
Other services
2023: 1622024: 1673%
Tests and treatments
2023: 222024: 2514%

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

  • Dr. Chen
  • California median
Medicare services
493vs 36137% above
Medicare patients
101vs 15133% below
Part D claims
3,335vs 4217.9 times

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

Dr. Chen'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. Chen

Need commercial claims for Dr. Chen?

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

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

Dr. Xiaochuan Chen treated 101 Medicare patients in 2024, average age 72

CMS counts 101 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 64 patients. 73% of them have high cholesterol, and 66% have high blood pressure. 78% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 69, with 54% women.

Medicare patients, 2024101
Average age72
Average risk score1.14
Also on Medicaid78%

Dr. Chen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chen's Medicare patients by sex, 2024

  • Women5554%
  • Men4646%

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

  1. High cholesterol73%
  2. High blood pressure66%
  3. Diabetes25%
  4. Osteoporosis21%
  5. Chronic kidney disease18%
  6. Ischemic heart disease18%
  7. Arthritis17%
  8. Anxiety14%

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

Dr. Chen's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women54%
  • Men40%

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

Dr. Xiaochuan Chen wrote 3,939 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 3,939 Medicare Part D claims for 386 patients. 91% of them were for generic drugs. CMS names the drug for 3,335 of them, across 67 drugs with 11 or more claims each, at $213,778 in total drug cost. In 2023, CMS named 3,318 claims across 76 drugs.

Part D claims, 20243,939
Drugs named by CMS67
Total drug cost$213,778
Part D patients386

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

  • Generic3,596 claims91%
  • Brand-name324 claims8%
  • Other19 claims0%

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

  • Antibiotics2%65 of 3,939 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: 3,3182024: 3,3351%

Drugs named by CMS: 67 in 2024, 76 in 2023.

See all prescribing by Dr. Chen

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. Xiaochuan Chen offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Xiaochuan Chen has 16 publications on record

Dmand AI links 16 papers to Dr. Chen, published from 2011 to 2021. 2012 was the busiest year, with 3. The most frequent topics are Sheep, Fetal Growth Retardation and Insulin. Dr. Chen has published most often in Endocrinology. Dr. Chen's most frequent co-authors are Ronald Lynch, MD, Adrian K. Almquist, MD and Irvin Farrel Goldenberg, MD.

Papers16
Years published2011 to 2021

Dr. Chen's papers by year, 2011 to 2021

Topics Dr. Chen writes about most

  • Sheep
  • Fetal Growth Retardation
  • Insulin
  • Insulin Secretion
  • Islets of Langerhans
  • Fetus
  • Glucose
  • Norepinephrine

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 16 publications and co-authors

See who Dr. Chen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen 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. Xiaochuan Chen received $1,483 in industry payments from 2016 to 2025

CMS Open Payments shows 25 general payments to Dr. Chen from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $225.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Chen

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

Dr. Xiaochuan Chen graduated from Guangzhou Medical College

Dr. Chen graduated from Guangzhou Medical College in 1986.

  1. Medical schoolGuangzhou Medical College
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Xiaochuan Chen accepts plans from 16 insurance carriers

Dr. Chen is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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

Plan types Dr. Chen accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Xiaochuan Chen'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 Dr. Xiaochuan Chen

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. Xiaochuan Chen's NPI number?

Dr. Xiaochuan Chen's NPI number is 1750549614. It was assigned on May 28, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Xiaochuan Chen?

Dr. Xiaochuan Chen is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Xiaochuan Chen practice?

Dr. Chen practices at 8001 Lorraine Ave, Stockton, CA 95210. Dr. Chen's primary practice is Hill Physicians Medical Group in Stockton, California. Dmand AI also links Dr. Chen to 1 physician office and 1 medical group.

What is Dr. Xiaochuan Chen's office phone number?

The practice phone on file for Dr. Chen is (925) 820-8300.

What is Dr. Xiaochuan Chen's medical license number?

Dr. Chen holds California license A105640, one of the licenses on file in 3 states.

Which states has Dr. Xiaochuan Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2008 to 2026), Georgia (2008 to 2016) and New York (2008 to 2010).

What medical group is Dr. Xiaochuan Chen part of?

Dr. Chen is linked to Quantum Healthcare Medical Associates Inc. Dmand AI links Dr. Chen to 1 more medical group.

Does Dr. Xiaochuan Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 493 services in 2024, and Dr. Chen accepts Medicare assignment.

Does Dr. Xiaochuan Chen offer telehealth?

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

How many Medicare patients does Dr. Xiaochuan Chen see?

CMS counts 101 Medicare patients who saw Dr. Chen in 2024, with an average age of 72.

Show 9 more questionsShow fewer questions

Is Dr. Xiaochuan Chen board certified?

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

What services does Dr. Xiaochuan Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), medicare service (G0442) and medicare service (G0444).

Where did Dr. Xiaochuan Chen go to medical school?

Dr. Chen graduated from Guangzhou Medical College in 1986.

What drugs does Dr. Xiaochuan Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.

Has Dr. Xiaochuan Chen received payments from drug or device companies?

CMS Open Payments shows $1,483 in general payments to Dr. Chen from 15 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Xiaochuan Chen been practicing?

Dr. Chen graduated from medical school in 1986, 40 years ago.

Does Dr. Xiaochuan Chen do research?

Dmand AI links 16 publications to Dr. Chen, published from 2011 to 2021.

Who does Dr. Xiaochuan Chen publish with?

Dr. Chen's most frequent co-authors are Ronald Lynch, MD (2 shared papers), Adrian K. Almquist, MD (1 shared paper) and Irvin Farrel Goldenberg, MD (1 shared paper).

What insurance does Dr. Xiaochuan Chen accept?

Dr. Chen is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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