Dr. John Chen, MD
- Publications
- 1
- Industry payments
- $1,750
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 200 Mercy Circle Rd, Camp Pendleton South, CA 92055
- Practice phone
- Call (805) 341-1129
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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 Chen is a general practice physician in Camp Pendleton South, California
Dr. Chen practices in Camp Pendleton South, California.
Dr. Chen's NPI, 1861953713, was assigned on March 25, 2019. Dr. Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2019. Dr. Chen holds Virginia license 0101270628.
- NPI
- 1861953713NPI Registry (opens in a new tab)
- NPI enumeration date
- March 25, 2019
- NPI status
- Active
- Practice phone
- (805) 341-1129
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Chen's practice address is in Camp Pendleton South, California
Dr. Chen's practice address in the NPI Registry is 200 Mercy Circle Rd, Camp Pendleton South, CA 92055. The practice phone is (805) 341-1129.
- NPI Registry address200 Mercy Circle Rd, Camp Pendleton South, CA 92055Phone(805) 341-1129
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John 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 |
|---|---|
| Dr. Chen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Chen is one of 1,526 general practice physicians in California
General practice is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Chen is licensed in Virginia.
Specialties and state licenses
- General practice, VirginiaPrimary
General practice physicians near Dr. Chen
Counts of general practice 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. John Chen's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 38, with 18% 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 38
Patient panel by sex, all payers
- Women18%
- Men82%
Source: Dmand AI Patient Panel Data
Dr. John Chen has 1 publication on record
Dmand AI links 1 paper to Dr. Chen in 2013. Dr. Chen's most frequent co-authors are Raphael Guzman, MD, Billy W. Loo, MD, PhD and Sahar Rosenblum, MD.
Dr. Chen's most frequent co-authors
- Raphael Guzman, MD1 shared paper
- Billy W. Loo, MD, PhD1 shared paper
- Sahar Rosenblum, 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 general practice physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Chen received $1,750 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Chen from 1 drug or device company from 2024 to 2025. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $1,750.
General payments to Dr. Chen by program year, 2024 to 2025
Companies that paid Dr. Chen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine
Dr. Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2019.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Sources for Dr. John 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. John 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 Chen's NPI number?
Dr. John Chen's NPI number is 1861953713. It was assigned on March 25, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John Chen?
Dr. John Chen is a general practice physician in Camp Pendleton South, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. John Chen practice?
Dr. Chen practices at 200 Mercy Circle Rd, Camp Pendleton South, CA 92055.
What is Dr. John Chen's office phone number?
The practice phone on file for Dr. Chen is (805) 341-1129. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. John Chen's email address?
Dmand AI checks professional and personal email addresses for Dr. Chen through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. John Chen's medical license number?
Dr. Chen holds Virginia license 0101270628.
Is Dr. John Chen board certified?
Yes. Dr. Chen is board certified in ophthalmology by the American Board of Ophthalmology.
Where did Dr. John Chen go to medical school?
Dr. Chen graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 2019.
Has Dr. John Chen received payments from drug or device companies?
CMS Open Payments shows $1,750 in general payments to Dr. Chen from 1 company from 2024 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John Chen been practicing?
Dr. Chen graduated from medical school in 2019, 7 years ago.
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Does Dr. John Chen do research?
Dmand AI links 1 publication to Dr. Chen.
Who does Dr. John Chen publish with?
Dr. Chen's most frequent co-authors are Raphael Guzman, MD (1 shared paper), Billy W. Loo, MD, PhD (1 shared paper) and Sahar Rosenblum, MD (1 shared paper).
What EHR does Dr. John Chen's practice use?
Dmand AI tracks the EHR system at Dr. Chen's practice. The vendor and product are available with a free Dmand AI account.
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