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Dr. Yi-Ju Chen, MD
NPI1396361093
- Part D claims, 2024
- 205
- Publications
- 2
- Industry payments
- $537
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 210 N Garfield Avenue, Suite 203, Monterey Park, CA 91754
- Practice phone
- Call (626) 307-7397
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Garfield Health Center - Monterey Park (N Garfield Ave)
FQHC Look-Alike (No Federal Grant) · Monterey Park, California
Find Dr. Chen's professional email, personal email and mobile number
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Dr. Yi-Ju Chen is an endocrinologist in Monterey Park, California
Dr. Chen practices at Garfield Health Center - Monterey Park (N Garfield Ave) in Monterey Park, California.
Dr. Chen's NPI, 1396361093, was assigned on June 19, 2020. Dr. Chen graduated from Taipei Medical University in 2016. Dr. Chen holds California license A183127.
NPI and contact details
- NPI
- 1396361093NPI Registry (opens in a new tab)
- NPI enumeration date
- June 19, 2020
- NPI status
- Active
- Practice phone
- (626) 307-7397
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Yi-Ju Chen practices at Garfield Health Center - Monterey Park (N Garfield Ave) in Monterey Park, California
Dr. Chen's primary practice is Garfield Health Center - Monterey Park (N Garfield Ave), at 210 N Garfield Avenue, Suite 203, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (626) 307-7397.
- Garfield Health Center - Monterey Park (N Garfield Ave)210 N Garfield Avenue, Suite 203, Monterey Park, CA 91754 · Los Angeles CountyPhone(626) 307-7397
Source: Dmand AI Affiliation Data
Dr. Yi-Ju Chen is affiliated with 1 site of care and 1 medical group
Dr. Chen's primary practice is Garfield Health Center - Monterey Park (N Garfield Ave) in Monterey Park, California. The medical group on file is Garfield Health Center. Dr. Chen's employer is on file too: a community health center (fqhc).
Garfield Health Center - Monterey Park (N Garfield Ave)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yi-Ju 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 |
|---|---|
| Garfield Health Center - Monterey Park (N Garfield Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yi-Ju Chen is one of 1,062 endocrinologists in California
Endocrinology, diabetes and metabolism is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. 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 Pennsylvania.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, CaliforniaPrimary
- Internal medicine, Pennsylvania
Endocrinologists near Dr. Chen
Counts of endocrinologists with a Dmand AI profile, by place and practice. Each opens the list.
1,062endocrinologists in California
2endocrinologists in Monterey Park
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Yi-Ju Chen's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 52, with 56% 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 52
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Yi-Ju Chen wrote 205 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 205 Medicare Part D claims for 40 patients. 64% of them were for generic drugs. CMS names the drug for 115 of them, across 7 drugs with 11 or more claims each, at $9,330 in total drug cost. In 2023, CMS named 135 claims across 8 drugs.
Part D claims, 2024205
Drugs named by CMS7
Total drug cost$9,330
Part D patients40
Dr. Chen's Part D claims by kind of drug, 2024
- Generic131 claims64%
- Brand-name59 claims29%
- Other15 claims7%
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: 1352024: 11515%
Drugs named by CMS: 7 in 2024, 8 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
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Dr. Yi-Ju Chen has 2 publications on record
Dmand AI links 2 papers to Dr. Chen. Dr. Chen's most frequent co-authors are Wisit Cheungpasitporn, MD, Michael A. Mao, MD and Charat Thongprayoon, MD.
Papers2
Dr. Chen's most frequent co-authors
- Wisit Cheungpasitporn, MD1 shared paper
- Michael A. Mao, MD1 shared paper
- Charat Thongprayoon, 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 endocrinologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Yi-Ju Chen received $537 in industry payments from 2023 to 2025
CMS Open Payments shows 10 general payments to Dr. Chen from 8 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $269.
General payments to Dr. Chen by program year, 2023 to 2025
Companies that paid Dr. Chen the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yi-Ju Chen graduated from Taipei Medical University
Dr. Chen graduated from Taipei Medical University in 2016.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Yi-Ju 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) |
| 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. Yi-Ju 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. Yi-Ju Chen's NPI number?
Dr. Yi-Ju Chen's NPI number is 1396361093. It was assigned on June 19, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Yi-Ju Chen?
Dr. Yi-Ju Chen is an endocrinologist in Monterey Park, California. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Yi-Ju Chen practice?
Dr. Chen practices at 210 N Garfield Avenue, Suite 203, Monterey Park, CA 91754. Dr. Chen's primary practice is Garfield Health Center - Monterey Park (N Garfield Ave) in Monterey Park, California.
What is Dr. Yi-Ju Chen's office phone number?
The practice phone on file for Dr. Chen is (626) 307-7397.
What is Dr. Yi-Ju Chen's medical license number?
Dr. Chen holds California license A183127, one of the licenses on file in 2 states.
Which states has Dr. Yi-Ju Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2022 to 2027) and Pennsylvania (2020 to 2023).
What medical group is Dr. Yi-Ju Chen part of?
Dr. Chen is linked to Garfield Health Center.
Is Dr. Yi-Ju Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Yi-Ju Chen go to medical school?
Dr. Chen graduated from Taipei Medical University in 2016.
What drugs does Dr. Yi-Ju Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Levothyroxine Sodium, Hydrocortisone and Jardiance.
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Has Dr. Yi-Ju Chen received payments from drug or device companies?
CMS Open Payments shows $537 in general payments to Dr. Chen from 8 companies from 2023 to 2025. The largest total came from Amgen Inc.
How long has Dr. Yi-Ju Chen been practicing?
Dr. Chen graduated from medical school in 2016, 10 years ago.
Does Dr. Yi-Ju Chen do research?
Dmand AI links 2 publications to Dr. Chen.
Who does Dr. Yi-Ju Chen publish with?
Dr. Chen's most frequent co-authors are Wisit Cheungpasitporn, MD (1 shared paper), Michael A. Mao, MD (1 shared paper) and Charat Thongprayoon, MD (1 shared paper).
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