Plast Reconstr Surg Glob Open
Dr. Joseph I. Chen, MD
- Part D claims, 2024
- 50
- Publications
- 5
- Hospital affiliations
- 1
- Industry payments
- $7,307
- Medical groups
- 2
- Practice address
- 25825 South Vermont Avenue, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Joseph I. Chen is a general surgeon in Harbor City, California
Dr. Chen practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
Dr. Chen's NPI, 1750546917, was assigned on July 26, 2008. Dr. Chen graduated from UC Irvine School of Medicine in 2008. Dr. Chen holds California license DO NOT HAVE YET.
- NPI
- 1750546917NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244536696
- NPI enumeration date
- July 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph I. Chen practices at Kaiser Permanente South Bay Medical Center in Harbor City, California
Dr. Chen's primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Kaiser Permanente South Bay Medical Center25825 South Vermont Avenue, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Source: Dmand AI Affiliation Data
Dr. Joseph I. Chen is affiliated with 1 site of care and 2 medical groups
Dr. Chen's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Chen to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph I. 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 |
|---|---|
| Kaiser Permanente South Bay Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph I. Chen is one of 2,926 general surgeons in California
Surgery is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chen is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Chen is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Chen
Counts of general surgeons 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. Joseph I. Chen's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 48, with 86% 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 48
Patient panel by sex, all payers
- Women86%
- Men14%
Source: Dmand AI Patient Panel Data
Dr. Joseph I. Chen wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 50 Medicare Part D claims for 25 patients. 92% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $151 in total drug cost. In 2023, CMS named 20 claims across 1 drug.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic46 claims92%
- Brand-name and other4 claims8%
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
- Opioids36%18 of 50 claims
- Antibiotics32%16 of 50 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: 202024: 1430%
Drugs named by CMS: 1 in 2024, 1 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. Joseph I. Chen takes part in Medicare
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joseph I. Chen has 5 publications on record
Dmand AI links 5 papers to Dr. Chen in 2016. Dr. Chen's most frequent co-authors are Camille G. Cash, MD, Warner C. Greene, MD, PhD and James Shun Dah Hu, MD.
Dr. Chen's most frequent co-authors
- Camille G. Cash, MD1 shared paper
- Warner C. Greene, MD, PhD1 shared paper
- James Shun Dah Hu, 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 surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joseph I. Chen received $7,307 in industry payments from 2016 to 2025
CMS Open Payments shows 14 general payments to Dr. Chen from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 61% of the total. Novadaq Technologies Inc. paid the most, $6,812.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Travel and lodging$4,49161%
- Food and beverage$2,81639%
Companies that paid Dr. Chen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph I. Chen graduated from UC Irvine School of Medicine
Dr. Chen graduated from UC Irvine School of Medicine in 2008.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph I. 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Joseph I. 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. Joseph I. Chen's NPI number?
Dr. Joseph I. Chen's NPI number is 1750546917. It was assigned on July 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph I. Chen?
Dr. Joseph I. Chen is a general surgeon in Harbor City, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joseph I. Chen practice?
Dr. Chen practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Dr. Chen's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. Dmand AI also links Dr. Chen to 1 medical group.
What is Dr. Joseph I. Chen's office phone number?
The practice phone on file for Dr. Chen is (310) 325-5111.
What is Dr. Joseph I. Chen's medical license number?
Dr. Chen holds California license DO NOT HAVE YET.
Which hospitals is Dr. Joseph I. Chen affiliated with?
Dr. Chen practices at Kaiser Permanente South Bay Medical Center in Harbor City, California.
What medical group is Dr. Joseph I. Chen part of?
Dr. Chen is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Chen to 1 more medical group.
Does Dr. Joseph I. Chen accept Medicare?
Yes. CMS lists Dr. Chen as accepting Medicare assignment.
Is Dr. Joseph I. Chen board certified?
Yes. Dr. Chen is board certified in plastic surgery by the American Board of Plastic Surgery.
Where did Dr. Joseph I. Chen go to medical school?
Dr. Chen graduated from UC Irvine School of Medicine in 2008.
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What drugs does Dr. Joseph I. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Doxycycline Monohydrate.
Has Dr. Joseph I. Chen received payments from drug or device companies?
CMS Open Payments shows $7,307 in general payments to Dr. Chen from 6 companies from 2016 to 2025. The largest total came from Novadaq Technologies Inc.
How long has Dr. Joseph I. Chen been practicing?
Dr. Chen graduated from medical school in 2008, 18 years ago.
Does Dr. Joseph I. Chen do research?
Dmand AI links 5 publications to Dr. Chen.
Who does Dr. Joseph I. Chen publish with?
Dr. Chen's most frequent co-authors are Camille G. Cash, MD (1 shared paper), Warner C. Greene, MD, PhD (1 shared paper) and James Shun Dah Hu, MD (1 shared paper).
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