AnticoagulantsContinuity of Patient CareEmergency Service, Hospital
Dr. Xiaoshuang Chen, MD
NPI1902292030PAC ID4082919402
- Medicare services, 2024
- 24
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 5,057
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 835 Webster St, Oakland, CA 94607
- Practice phone
- Call (510) 318-5800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Asian Health Services
Oakland, California
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Dr. Xiaoshuang Chen is a family medicine physician in Oakland, California
Dr. Chen practices at Asian Health Services in Oakland, California.
Dr. Chen's NPI, 1902292030, was assigned on April 15, 2015. Dr. Chen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2015. Dr. Chen's California license number on file is A156687.
NPI and contact details
- NPI
- 1902292030NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082919402
- NPI enumeration date
- April 15, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 318-5800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Xiaoshuang Chen practices at Asian Health Services in Oakland, California
Dr. Chen's primary practice is Asian Health Services, at 835 Webster St, Oakland, CA 94607 in Alameda County. The practice phone is (510) 318-5800.
- Asian Health Services835 Webster St, Oakland, CA 94607 · Alameda CountyPhone(510) 318-5800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Xiaoshuang Chen is affiliated with 7 sites of care and 1 medical group
Dr. Chen's primary practice is Asian Health Services in Oakland, California. Dr. Chen is also affiliated with Alta Bates Summit Medical Center. The medical group on file is Asian Health Services. Dmand AI also links Dr. Chen to 2 more hospitals, 2 home health agencies and 1 community health center, each named with a free account.
Asian Health ServicesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Xiaoshuang Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Asian Health Services | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Xiaoshuang Chen is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chen is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Massachusetts license
Clinical focus
Dmand AI lists acute kidney failure, acute skin infection, aneurysm, arthritis, asthma, atrial fibrillation and flutter, chronic anemia and chronic diabetes among the conditions Dr. Chen treats.
Family medicine physicians near Dr. Chen
Counts of family medicine physicians 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. Xiaoshuang Chen billed Medicare for 24 services in 2024
CMS data shows 24 Medicare services from Dr. Chen across 1 procedure code in 2024, for 25 Medicare patients. Medicare paid $268 for them. Every service was in an office.
Medicare services, 202424
Medicare patients25
Paid by Medicare$268
Procedure codes1
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 192024: 2426%
Dr. Chen compared with the California median for family medicine physicians, 2024
- Dr. Chen
- California median
- Medicare services
- 24vs 24690% below
- Medicare patients
- 25vs 11879% below
- Part D claims
- 4,452vs 8335.3 times
Medians across 15,349 family medicine physicians 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Xiaoshuang Chen treated 25 Medicare patients in 2024, average age 77
CMS counts 25 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 11 patients. 64% of them have high blood pressure, and 64% have high cholesterol. 100% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 73, with 69% women.
Medicare patients, 202425
Average age77
Average risk score1.02
Also on Medicaid100%
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure64%
- High cholesterol64%
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 73
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Xiaoshuang Chen wrote 5,057 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 5,057 Medicare Part D claims for 552 patients. 85% of them were for generic drugs. CMS names the drug for 4,452 of them, across 77 drugs with 11 or more claims each, at $593,879 in total drug cost. In 2023, CMS named 4,459 claims across 70 drugs.
Part D claims, 20245,057
Drugs named by CMS77
Total drug cost$593,879
Part D patients552
Dr. Chen's Part D claims by kind of drug, 2024
- Generic4,322 claims85%
- Brand-name694 claims14%
- Other41 claims1%
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
- Antibiotics1%55 of 5,057 claims
- Antipsychotics, patients 65 and over0%19 of 5,057 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: 4,4592024: 4,452No change
Drugs named by CMS: 77 in 2024, 70 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
How Dr. Xiaoshuang Chen takes part in Medicare
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Xiaoshuang Chen has 1 publication on record
Dmand AI links 1 paper to Dr. Chen. Dr. Chen's most frequent co-authors are Bruce Allen Barton, MD, Rasha Elhag, MD and Shoshana J. Herzig, MD.
Papers1
Dr. Chen's most frequent co-authors
- Bruce Allen Barton, MD1 shared paper
- Rasha Elhag, MD1 shared paper
- Shoshana J. Herzig, MD1 shared paper
Recent publications by Dr. Chen
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 family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Xiaoshuang Chen received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Chen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperSurgical, Inc. paid the most, $21.
Companies that paid Dr. Chen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Xiaoshuang Chen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Chen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2015.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Xiaoshuang Chen accepts plans from 14 insurance carriers
Dr. Chen is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Xiaoshuang Chen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. Xiaoshuang 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. Xiaoshuang Chen's NPI number?
Dr. Xiaoshuang Chen's NPI number is 1902292030. It was assigned on April 15, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Xiaoshuang Chen?
Dr. Xiaoshuang Chen is a family medicine physician in Oakland, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Xiaoshuang Chen practice?
Dr. Chen practices at 835 Webster St, Oakland, CA 94607. Dr. Chen's primary practice is Asian Health Services in Oakland, California. Dmand AI also links Dr. Chen to 2 hospitals, 2 home health agencies and 1 community health center.
What is Dr. Xiaoshuang Chen's office phone number?
The practice phone on file for Dr. Chen is (510) 318-5800.
What is Dr. Xiaoshuang Chen's medical license number?
Dr. Chen's California license number on file is A156687, one of the licenses on file in 2 states.
Which states has Dr. Xiaoshuang Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2018 to 2025) and Massachusetts (2015 to 2018).
Which hospitals is Dr. Xiaoshuang Chen affiliated with?
Dr. Chen is affiliated with Alta Bates Summit Medical Center. Dmand AI links Dr. Chen to 2 more hospitals.
What medical group is Dr. Xiaoshuang Chen part of?
Dr. Chen is linked to Asian Health Services.
Does Dr. Xiaoshuang Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 24 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Xiaoshuang Chen see?
CMS counts 25 Medicare patients who saw Dr. Chen in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. Xiaoshuang Chen board certified?
Yes. Dr. Chen is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Xiaoshuang Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were heart test or procedure (93000).
Where did Dr. Xiaoshuang Chen go to medical school?
Dr. Chen graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2015.
What drugs does Dr. Xiaoshuang Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Xiaoshuang Chen received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Chen from 1 company from 2025 to 2025. The largest total came from CooperSurgical, Inc.
How long has Dr. Xiaoshuang Chen been practicing?
Dr. Chen graduated from medical school in 2015, 11 years ago.
Does Dr. Xiaoshuang Chen do research?
Dmand AI links 1 publication to Dr. Chen.
Who does Dr. Xiaoshuang Chen publish with?
Dr. Chen's most frequent co-authors are Bruce Allen Barton, MD (1 shared paper), Rasha Elhag, MD (1 shared paper) and Shoshana J. Herzig, MD (1 shared paper).
What insurance does Dr. Xiaoshuang Chen accept?
Dr. Chen is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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