Dr. John Y. Chen, MD
- Part D claims, 2024
- 1,037
- Publications
- 1
- Industry payments
- $452
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
Find Dr. Chen'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. John Y. Chen is a psychiatrist in Santa Clara, California
Dr. Chen practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Chen's NPI, 1316023260, was assigned on October 31, 2006. Dr. Chen graduated from Wayne State University School Of Medicine in 1996. Dr. Chen holds California license A77612.
- NPI
- 1316023260NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678581725
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Y. Chen practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Chen's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Y. Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Permanente Medical Group Inc in Santa Clara, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chen to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Y. 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.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Y. Chen is one of 6,803 psychiatrists in California
Psychiatry is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chen is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Chen's licenses on file in 3 states: California, New York and Michigan.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- New York license
- Michigan license
Psychiatrists near Dr. Chen
Counts of psychiatrists 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. John Y. Chen's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 36, with 59% 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 36
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. John Y. Chen wrote 1,037 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 1,037 Medicare Part D claims for 121 patients. 98% of them were for generic drugs. CMS names the drug for 928 of them, across 31 drugs with 11 or more claims each, at $25,071 in total drug cost. In 2023, CMS named 866 claims across 29 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic1,021 claims98%
- Brand-name16 claims2%
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
- Antipsychotics, patients 65 and over10%99 of 1,037 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: 8662024: 9287%
Drugs named by CMS: 31 in 2024, 29 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. John Y. 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Y. Chen has 1 publication on record
Dmand AI links 1 paper to Dr. Chen in 2006. Dr. Chen's most frequent co-author is Jeffry Q. Chen, MD.
Dr. Chen's most frequent co-authors
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 psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Y. Chen received $452 in industry payments from 2018 to 2024
CMS Open Payments shows 12 general payments to Dr. Chen from 4 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $186.
General payments to Dr. Chen by program year, 2018 to 2024
Companies that paid Dr. Chen the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Y. Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Chen
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. John Y. Chen graduated from Wayne State University School Of Medicine
Dr. Chen graduated from Wayne State University School Of Medicine in 1996.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. John Y. Chen accepts plans from 1 insurance carrier
Dr. Chen is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Chen accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Y. 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 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. John Y. 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. John Y. Chen's NPI number?
Dr. John Y. Chen's NPI number is 1316023260. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Y. Chen?
Dr. John Y. Chen is a psychiatrist in Santa Clara, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Y. Chen practice?
Dr. Chen practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Chen's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Dr. Chen to 1 group practice or clinic.
What is Dr. John Y. Chen's office phone number?
The practice phone on file for Dr. Chen is (408) 851-1000.
What is Dr. John Y. Chen's medical license number?
Dr. Chen holds California license A77612, one of the licenses on file in 3 states.
Which states has Dr. John Y. Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2002 to 2026), New York (2001 to 2020) and Michigan (1996 to 2005).
What medical group is Dr. John Y. Chen part of?
Dr. Chen is linked to The Permanente Medical Group, Inc.
Does Dr. John Y. Chen accept Medicare?
Yes. CMS lists Dr. Chen as accepting Medicare assignment.
Is Dr. John Y. Chen board certified?
Yes. Dr. Chen is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. John Y. Chen go to medical school?
Dr. Chen graduated from Wayne State University School Of Medicine in 1996.
Show 6 more questionsShow fewer questions
What drugs does Dr. John Y. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Lorazepam, Trazodone HCl and Clonazepam.
Has Dr. John Y. Chen received payments from drug or device companies?
CMS Open Payments shows $452 in general payments to Dr. Chen from 4 companies from 2018 to 2024. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. John Y. Chen been practicing?
Dr. Chen graduated from medical school in 1996, 30 years ago.
Does Dr. John Y. Chen do research?
Dmand AI links 1 publication to Dr. Chen.
Who does Dr. John Y. Chen publish with?
Dr. Chen's most frequent co-authors are Jeffry Q. Chen, MD (1 shared paper).
What insurance does Dr. John Y. Chen accept?
Dr. Chen is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to psychiatry practices?
See psychiatrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card