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Dr. Joyce Debbie Chen, MD
NPI1518054873
- Part D claims, 2024
- 11
- Publications
- 4
- Hospital affiliations
- 2
- Industry payments
- $946
- Medical group
- 1
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Joyce Debbie Chen is an internist in Stanford, California
Dr. Chen practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Chen's NPI, 1518054873, was assigned on October 6, 2006. Dr. Chen graduated from George Washington University School of Medicine and Health Sciences in 1997. Dr. Chen holds California license A81665.
NPI and contact details
- NPI
- 1518054873NPI Registry (opens in a new tab)
- NPI enumeration date
- October 6, 2006
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joyce Debbie Chen practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Chen's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Joyce Debbie Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Chen to 1 hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joyce Debbie 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 |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joyce Debbie 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, Maryland and Texas.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Maryland license
- Texas license
Internists near Dr. Chen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
16,751internists in California369internists in Stanford314internists at Stanford Hospital at 300 Pasteur Drive
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Joyce Debbie Chen's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 72, with 16% women.
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 72
Patient panel by sex, all payers
- Women16%
- Men84%
Source: Dmand AI Patient Panel Data
Dr. Joyce Debbie Chen wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 3 drugs, with $147 in total drug cost.
Part D claims, 202411
Drugs named by CMS3
Total drug cost$147
Dr. Chen's most prescribed drugs by claims, 2016
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
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Dr. Joyce Debbie Chen has 4 publications on record
Dmand AI links 4 papers to Dr. Chen in 2021. The most frequent topics are Mice, Inbred C57BL. Dr. Chen's most frequent co-authors are Stella Xiang Chen, MD, Richard L. Gallo, MD, PhD and Tissa R. Hata, MD.
Papers4
Topics Dr. Chen writes about most
- Mice, Inbred C57BL
Dr. Chen's most frequent co-authors
- Stella Xiang Chen, MD1 shared paper
- Richard L. Gallo, MD, PhD1 shared paper
- Tissa R. Hata, MD1 shared paper
Recent publications by Dr. Chen
3T3-L1 CellsAdipocytesAnti-Infective Agents
Basic Helix-Loop-Helix Transcription FactorsCD8-Positive T-LymphocytesCell Line, Tumor
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.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joyce Debbie Chen received $946 in industry payments from 2016 to 2022
CMS Open Payments shows 11 general payments to Dr. Chen from 4 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $392.
General payments to Dr. Chen by program year, 2016 to 2022
Companies that paid Dr. Chen the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joyce Debbie Chen graduated from George Washington University School of Medicine and Health Sciences
Dr. Chen graduated from George Washington University School of Medicine and Health Sciences in 1997.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Joyce Debbie 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 |
| 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. Joyce Debbie 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. Joyce Debbie Chen's NPI number?
Dr. Joyce Debbie Chen's NPI number is 1518054873. It was assigned on October 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce Debbie Chen?
Dr. Joyce Debbie Chen is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joyce Debbie Chen practice?
Dr. Chen practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Chen's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Chen to 1 hospital and 1 medical group.
What is Dr. Joyce Debbie Chen's office phone number?
The practice phone on file for Dr. Chen is (650) 723-4000.
What is Dr. Joyce Debbie Chen's medical license number?
Dr. Chen holds California license A81665, one of the licenses on file in 3 states.
Which states has Dr. Joyce Debbie Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2003 to 2026), Maryland (2000 to 2004) and Texas (1999 to 2000).
Which hospitals is Dr. Joyce Debbie Chen affiliated with?
Dr. Chen practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Chen to 1 more hospital.
Is Dr. Joyce Debbie Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Joyce Debbie Chen go to medical school?
Dr. Chen graduated from George Washington University School of Medicine and Health Sciences in 1997.
What drugs does Dr. Joyce Debbie Chen prescribe most?
In 2016 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Ranitidine HCl.
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Has Dr. Joyce Debbie Chen received payments from drug or device companies?
CMS Open Payments shows $946 in general payments to Dr. Chen from 4 companies from 2016 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Joyce Debbie Chen been practicing?
Dr. Chen graduated from medical school in 1997, 29 years ago.
Does Dr. Joyce Debbie Chen do research?
Dmand AI links 4 publications to Dr. Chen.
Who does Dr. Joyce Debbie Chen publish with?
Dr. Chen's most frequent co-authors are Stella Xiang Chen, MD (1 shared paper), Richard L. Gallo, MD, PhD (1 shared paper) and Tissa R. Hata, MD (1 shared paper).
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