Bacterial ProteinsEscherichia coliGene Expression Regulation, Bacterial
Dr. Stephen S. Chen, MD
NPI1730336397PAC ID7012181753
- Medicare services, 2024
- 160
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 12
- Publications
- 7
- Hospital affiliations
- 1
- Practice address
- 193 Jefferson Dr, Menlo Park, CA 94025
- Practice phone
- Call (949) 891-0328
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Life @ Wellness Center Mpk281
Menlo Park, California
Find Dr. Chen's professional email, personal email and mobile number
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Dr. Stephen S. Chen is a pediatric sports medicine physician in Menlo Park, California
Dr. Chen practices at Life @ Wellness Center Mpk281 in Menlo Park, California.
Dr. Chen's NPI, 1730336397, was assigned on August 25, 2008. Dr. Chen graduated from St. George's University School of Medicine in 2005. Dr. Chen holds California license A107350.
NPI and contact details
- NPI
- 1730336397NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012181753
- NPI enumeration date
- August 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 891-0328
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen S. Chen practices at Life @ Wellness Center Mpk281 in Menlo Park, California
Dr. Chen's primary practice is Life @ Wellness Center Mpk281, at 193 Jefferson Dr, Menlo Park, CA 94025 in San Mateo County. The practice phone is (949) 891-0328.
- Life @ Wellness Center Mpk281193 Jefferson Dr, Menlo Park, CA 94025 · San Mateo CountyPhone(949) 891-0328
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen S. Chen is affiliated with 3 sites of care and 1 medical group
Dr. Chen's primary practice is Life @ Wellness Center Mpk281 in Menlo Park, California. Dr. Chen is also affiliated with UCSF Health Hyde Hospital. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chen to 1 more physician office, named with a free account.
Life @ Wellness Center Mpk281Primary
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. Stephen S. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Life @ Wellness Center Mpk281 | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen S. Chen is one of 17 pediatric sports medicine physicians in California
Pediatrics is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2080S0010X. The record also lists sports medicine. Dr. Chen is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Chen's licenses on file in 4 states: California, Kentucky, Ohio and New Jersey.
Specialties and state licenses
- Pediatric sports medicine, CaliforniaPrimary
- Kentucky license
- Ohio license
- New Jersey license
Clinical focus
Dmand AI lists arthritis and joint pain among the conditions Dr. Chen treats.
Pediatric sports medicine physicians near Dr. Chen
Counts of pediatric sports 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. Stephen S. Chen billed Medicare for 160 services in 2024
CMS data shows 160 Medicare services from Dr. Chen across 5 procedure codes in 2024, all of them office visits, for 70 Medicare patients. Medicare paid $15,742 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024160
Medicare patients70
Paid by Medicare$15,742
Procedure codes5
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1942024: 16018%
- Surgery
- 2023: 242024: 0100%
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other pediatric sports medicine physicians in California.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Stephen S. Chen treated 70 Medicare patients in 2024, average age 76
CMS counts 70 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 36 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 35, with 34% women.
Medicare patients, 202470
Average age76
Average risk score0.78
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
- Women4057%
- Men3043%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure49%
- Osteoporosis33%
- Cancer23%
- Ischemic heart disease20%
- Anxiety19%
- Mood disorders19%
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 35
Patient panel by sex, all payers
- Women34%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen S. Chen wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 12 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $121 in total drug cost.
Part D claims, 202412
Drugs named by CMS1
Total drug cost$121
Dr. Chen's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Stephen S. 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. Stephen S. Chen has 7 publications on record
Dmand AI links 7 papers to Dr. Chen, published from 2007 to 2015. The most frequent topics are Escherichia coli, Mass Spectrometry and Escherichia coli Proteins.
Papers7
Years published2007 to 2015
Dr. Chen's papers by year, 2007 to 2015
Topics Dr. Chen writes about most
- Escherichia coli
- Mass Spectrometry
- Escherichia coli Proteins
- Proteomics
- Ribosomal Proteins
- Gene Expression Regulation, Bacterial
- Models, Molecular
- Proteome
Recent publications by Dr. Chen
Cluster AnalysisEscherichia coliEscherichia coli Proteins
Curr Opin Biotechnol
Chlamydomonas reinhardtiiChlamydophilaChloroplasts
AthletesBasketballBiomechanical Phenomena
Escherichia coliEscherichia coli ProteinsMass Spectrometry
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 pediatric sports medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen S. Chen received $38 in industry payments from 2019 to 2022
CMS Open Payments shows 2 general payments to Dr. Chen from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Bioventus LLC paid the most, $25.
General payments to Dr. Chen by program year, 2019 to 2022
Companies that paid Dr. Chen the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen S. Chen graduated from St. George's University School of Medicine
Dr. Chen graduated from St. George's University School of Medicine in 2005.
- Medical school
- Board certified in pediatrics
- Board certified in sports medicine
Source: Dmand AI Professional Profile Data
Dr. Stephen S. Chen accepts plans from 13 insurance carriers
Dr. Chen is in network with 13 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
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO9
- Medicare7
- HMO5
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen S. 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) |
| 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. Stephen S. 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. Stephen S. Chen's NPI number?
Dr. Stephen S. Chen's NPI number is 1730336397. It was assigned on August 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen S. Chen?
Dr. Stephen S. Chen is a pediatric sports medicine physician in Menlo Park, California. The primary specialty in the NPI Registry is Pediatric Sports Medicine Physician (taxonomy code 2080S0010X).
Where does Dr. Stephen S. Chen practice?
Dr. Chen practices at 193 Jefferson Dr, Menlo Park, CA 94025. Dr. Chen's primary practice is Life @ Wellness Center Mpk281 in Menlo Park, California. Dmand AI also links Dr. Chen to 1 physician office.
What is Dr. Stephen S. Chen's office phone number?
The practice phone on file for Dr. Chen is (949) 891-0328.
What is Dr. Stephen S. Chen's medical license number?
Dr. Chen holds California license A107350, one of the licenses on file in 4 states.
Which states has Dr. Stephen S. Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2009 to 2026), Kentucky (2010 to 2011), Ohio (2009 to 2010) and New Jersey (2008 to 2009).
Which hospitals is Dr. Stephen S. Chen affiliated with?
Dr. Chen is affiliated with UCSF Health Hyde Hospital.
What medical group is Dr. Stephen S. Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Does Dr. Stephen S. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 160 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Stephen S. Chen see?
CMS counts 70 Medicare patients who saw Dr. Chen in 2024, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Stephen S. Chen board certified?
Yes. Dr. Chen is board certified in pediatrics by the American Board of Pediatrics.
What services does Dr. Stephen S. Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99204).
Where did Dr. Stephen S. Chen go to medical school?
Dr. Chen graduated from St. George's University School of Medicine in 2005.
What drugs does Dr. Stephen S. Chen prescribe most?
In 2019 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Ibuprofen.
Has Dr. Stephen S. Chen received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Dr. Chen from 2 companies from 2019 to 2022. The largest total came from Bioventus LLC.
How long has Dr. Stephen S. Chen been practicing?
Dr. Chen graduated from medical school in 2005, 21 years ago.
Does Dr. Stephen S. Chen do research?
Dmand AI links 7 publications to Dr. Chen, published from 2007 to 2015.
What insurance does Dr. Stephen S. Chen accept?
Dr. Chen is in network with 13 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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