Dr. Mark Jung Chen, MD

  • Vista, CA
  • Internist
NPI1891989190
Part D claims, 2024
39
Publications
1
Industry payments
$52
Affiliated sites
1
Insurance carriers
7
Practice address
105 Durian St, Vista, CA 92083
Practice phone
Call (760) 631-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

VCC - Durian Senior Adult Care

FQHC - Main Site · Vista, California

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Dr. Mark Jung Chen is an internist in Vista, California

Dr. Chen practices at VCC - Durian Senior Adult Care in Vista, California.

Dr. Chen's NPI, 1891989190, was assigned on August 29, 2007. Dr. Chen graduated from The Robert Larner, M.D. College of Medicine in 2005. Dr. Chen holds California license A99948.

NPI and contact details
NPI enumeration date
August 29, 2007
NPI status
Active
Practice phone
(760) 631-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Mark Jung Chen practices at VCC - Durian Senior Adult Care in Vista, California

Dr. Chen's primary practice is VCC - Durian Senior Adult Care, at 105 Durian St, Vista, CA 92083. The practice phone is (760) 631-5000.

  • VCC - Durian Senior Adult Care
    105 Durian St, Vista, CA 92083Phone(760) 631-5000

Source: Dmand AI Affiliation Data

Dr. Mark Jung Chen is affiliated with 1 site of care

Dr. Chen's primary practice is VCC - Durian Senior Adult Care in Vista, California.

VCC - Durian Senior Adult CareFQHC - Main Site · Vista, CaliforniaPrimary
Parent health systemName with a free account
See Dr. Chen's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark Jung 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.

EHR by site
SiteEHR vendor and product
VCC - Durian Senior Adult CareAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark Jung 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 2 states: California and Washington.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A99948 · 2007 to 2026 · taxonomy 207R00000X
  • Washington license2015 to 2025

Internists near Dr. Chen

Counts of internists 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. Mark Jung Chen's patients have a median age of 42

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 42, with 60% 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 42

Patient panel by sex, all payers

  • Women60%
  • Men39%

Source: Dmand AI Patient Panel Data

Dr. Mark Jung Chen wrote 39 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 39 Medicare Part D claims for 32 patients. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $663 in total drug cost. In 2023, CMS named 22 claims across 1 drug.

Part D claims, 202439
Drugs named by CMS1
Total drug cost$663
Part D patients32

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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 222024: 1341%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Chen

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. Mark Jung Chen has 1 publication on record

Dmand AI links 1 paper to Dr. Chen in 2011. Dr. Chen's most frequent co-authors are Leslea A. Brickner, MD and Amarpreet Sandhu, DO.

Papers1

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 1 publications and co-authors

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.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mark Jung Chen received $52 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Chen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Saluda Medical Americas, Inc. paid the most, $52.

Companies that paid Dr. Chen the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mark Jung Chen has 1 award and honors on record

Dmand AI lists 1 award for Dr. Chen, most recently David M Babbott “Caring and Seeing” Award in 2005.

Awards and honors for Dr. Chen

  1. 2005
    • David M Babbott “Caring and Seeing” Award

Source: Dmand AI Professional Profile Data

Dr. Mark Jung Chen graduated from The Robert Larner, M.D. College of Medicine

Dr. Chen graduated from The Robert Larner, M.D. College of Medicine in 2005. Dr. Chen is a member of ACP.

  1. Medical schoolThe Robert Larner, M.D. College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Mark Jung Chen accepts plans from 7 insurance carriers

Dr. Chen is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Blue Cross and Blue Shield of Kansas City
  • DentaQuest
  • Elevance

Plan types Dr. Chen accepts, by number of carriers

  1. PPO5
  2. Medicare4
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mark Jung Chen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark Jung 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. Mark Jung Chen's NPI number?

Dr. Mark Jung Chen's NPI number is 1891989190. It was assigned on August 29, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Jung Chen?

Dr. Mark Jung Chen is an internist in Vista, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Mark Jung Chen practice?

Dr. Chen practices at 105 Durian St, Vista, CA 92083. Dr. Chen's primary practice is VCC - Durian Senior Adult Care in Vista, California.

What is Dr. Mark Jung Chen's office phone number?

The practice phone on file for Dr. Chen is (760) 631-5000.

What is Dr. Mark Jung Chen's medical license number?

Dr. Chen holds California license A99948, one of the licenses on file in 2 states.

Which states has Dr. Mark Jung Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2007 to 2026) and Washington (2015 to 2025).

Is Dr. Mark Jung Chen board certified?

Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. Mark Jung Chen go to medical school?

Dr. Chen graduated from The Robert Larner, M.D. College of Medicine in 2005.

What drugs does Dr. Mark Jung Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Adacel Tdap.

Has Dr. Mark Jung Chen received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Dr. Chen from 1 company from 2025 to 2025. The largest total came from Saluda Medical Americas, Inc.

Show 4 more questionsShow fewer questions

How long has Dr. Mark Jung Chen been practicing?

Dr. Chen graduated from medical school in 2005, 21 years ago.

Does Dr. Mark Jung Chen do research?

Dmand AI links 1 publication to Dr. Chen.

Who does Dr. Mark Jung Chen publish with?

Dr. Chen's most frequent co-authors are Leslea A. Brickner, MD (1 shared paper) and Amarpreet Sandhu, DO (1 shared paper).

What insurance does Dr. Mark Jung Chen accept?

Dr. Chen is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

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