Kay Chen
- Part D claims, 2022
- 45
- Publications
- 5
- Industry payments
- $225
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 8810 Rio San Diego Dr, San Diego, CA 92108
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Diego VAMC
San Diego, California
Find Kay 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.
Kay Chen is a gastroenterologist in San Diego, California
Kay Chen practices at San Diego VAMC in San Diego, California.
Kay Chen's NPI, 1811429079, was assigned on March 28, 2017. Kay Chen's Connecticut license number on file is 75385.
- NPI
- 1811429079NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2017
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Kay Chen practices at San Diego VAMC in San Diego, California
Kay Chen's primary practice is San Diego VAMC, at 8810 Rio San Diego Dr, San Diego, CA 92108 in San Diego County. The practice phone is (702) 341-3020.
- San Diego VAMC8810 Rio San Diego Dr, San Diego, CA 92108 · San Diego CountyPhone(702) 341-3020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Kay Chen is affiliated with 1 site of care and 2 medical groups
Kay Chen's primary practice is San Diego VAMC in San Diego, California. Dmand AI also links Kay Chen to 2 medical groups, each 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 Kay Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kay Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Diego VAMC | Available with a free account |
| +2 medical groups | 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.
Kay Chen is one of 1,977 gastroenterologists in California
Gastroenterology is Kay Chen's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Kay Chen is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Kay Chen's licenses on file in 2 states: Connecticut and Massachusetts.
Specialties and state licenses
- Gastroenterology, ConnecticutPrimary
- Massachusetts license
Gastroenterologists near Kay Chen
Counts of gastroenterologists 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
Kay Chen's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Kay Chen's median patient age at 42, with 50% women.
Kay 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 42
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Kay Chen wrote 45 Medicare Part D claims in 2022
In 2022, Kay Chen wrote 45 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $640 in total drug cost. In 2020, CMS named 49 claims across 4 drugs.
Kay Chen's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 492022: 458%
Drugs named by CMS: 3 in 2022, 4 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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.
Kay Chen has 5 publications on record
Dmand AI links 5 papers to Kay Chen, published from 2015 to 2025. Kay Chen's most frequent co-authors are George Chen, Petr Protiva, MD and Laura Charles Sahyoun, MD.
Kay Chen's papers by year, 2015 to 2025
Kay Chen's most frequent co-authors
- George Chen2 shared papers
- Petr Protiva, MD2 shared papers
- Laura Charles Sahyoun, MD2 shared papers
Recent publications by Kay Chen
BMJ Open Gastroenterol
See who Kay Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Kay Chen works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Kay Chen received $225 in industry payments in 2023
CMS Open Payments shows 2 general payments to Kay Chen from 2 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $123.
Companies that paid Kay Chen the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Kay Chen has 1 award and honors on record
Dmand AI lists 1 award for Kay Chen, most recently Samuel D. Kuslan Award for Clinical Excellence in 2023.
Awards and honors for Kay Chen
- 2023
- Samuel D. Kuslan Award for Clinical Excellence
Source: Dmand AI Professional Profile Data
Kay Chen is board certified in gastroenterology
Kay Chen is a member of ACG and AGA.
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Kay 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) |
| 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 |
| 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 Kay 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 Kay Chen's NPI number?
Kay Chen's NPI number is 1811429079. It was assigned on March 28, 2017, and it is active in the NPI Registry.
What does Kay Chen specialize in?
Kay Chen is a gastroenterologist in San Diego, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Kay Chen practice?
Kay Chen practices at 8810 Rio San Diego Dr, San Diego, CA 92108. Kay Chen's primary practice is San Diego VAMC in San Diego, California. Dmand AI also links Kay Chen to 2 medical groups.
What is Kay Chen's office phone number?
The practice phone on file for Kay Chen is (702) 341-3020.
What is Kay Chen's medical license number?
Kay Chen's Connecticut license number on file is 75385, one of the licenses on file in 2 states.
Which states has Kay Chen been licensed in?
Dmand AI has state licenses on file for Kay Chen in Connecticut (2020 to 2025) and Massachusetts (2017 to 2020).
Is Kay Chen board certified?
Yes. Kay Chen is board certified in gastroenterology by the American Board of Internal Medicine.
What drugs does Kay Chen prescribe most?
In 2022 Medicare Part D data, Kay Chen's most prescribed drugs by claims were Famotidine, Pantoprazole Sodium and Omeprazole.
Has Kay Chen received payments from drug or device companies?
CMS Open Payments shows $225 in general payments to Kay Chen from 2 companies from 2023 to 2023. The largest total came from Abbvie Inc.
How long has Kay Chen been practicing?
Kay Chen's NPI was assigned in 2017.
Does Kay Chen do research?
Dmand AI links 5 publications to Kay Chen, published from 2015 to 2025.
Who does Kay Chen publish with?
Kay Chen's most frequent co-authors are George Chen (2 shared papers), Petr Protiva, MD (2 shared papers) and Laura Charles Sahyoun, MD (2 shared papers).
Selling to gastroenterology practices?
See gastroenterologists 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