Dr. Eric M W Chen, MD

  • Laguna Hills, CA
  • Family medicine physician
NPI1871697250PAC ID6901066414
Medicare services, 2024
323
Medicare patients, 2024
67
Part D claims, 2024
2,492
Publications
1
Industry payments
$870
Practice address
23181 Verdugo Dr, Laguna Hills, CA 92653
Practice phone
Call (714) 796-5900
Professional email
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Personal email
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Mobile number
Get mobile number
Social profiles

Primary practice

Metropolitan IPA

Laguna Hills, California

See all 3 affiliations

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Dr. Eric M W Chen is a family medicine physician in Laguna Hills, California

Dr. Chen practices at Metropolitan IPA in Laguna Hills, California.

Dr. Chen's NPI, 1871697250, was assigned on September 7, 2006. Dr. Chen graduated from National Taiwan University College of Medicine in 1974. Dr. Chen holds California license A36192.

NPI and contact details
Medicare PAC ID
6901066414
NPI enumeration date
September 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 796-5900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
78
Medical school graduation
1974

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Eric M W Chen practices at Metropolitan IPA in Laguna Hills, California

Dr. Chen's primary practice is Metropolitan IPA, at 23181 Verdugo Dr, Laguna Hills, CA 92653 in Orange County. The practice phone is (714) 796-5900.

  • Metropolitan IPA
    23181 Verdugo Dr, Laguna Hills, CA 92653 · Orange CountyPhone(714) 796-5900

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Eric M W Chen is affiliated with 2 sites of care and 1 medical group

Dr. Chen's primary practice is Metropolitan IPA in Laguna Hills, California. The medical group on file is Southridge Medical Center. Dmand AI also links Dr. Chen to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Chen

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

Dmand AI tracks the EHR system at Dr. Eric M W 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
Metropolitan IPAAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric M W Chen is one of 15,680 family medicine physicians in California

Family medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chen is licensed in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A36192 · 1980 to 2026 · taxonomy 207Q00000X

Clinical focus

Dmand AI lists acute skin infection, asthma, bronchitis, chronic anemia, chronic diabetes, chronic hypertension, enlarged thyroid and facial skin infection among the conditions Dr. Chen treats.

Family medicine physicians near Dr. Chen

Counts of family medicine 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. Eric M W Chen billed Medicare for 323 services in 2024

CMS data shows 323 Medicare services from Dr. Chen across 3 procedure codes in 2024, for 67 Medicare patients. Medicare paid $18,307 for them. Every service was in an office.

Medicare services, 2024323
Medicare patients67
Paid by Medicare$18,307
Procedure codes3

Dr. Chen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2362024: 27818%
Surgery
2023: 612024: 4526%
Tests and treatments
2023: 112024: 0100%

Dr. Chen compared with the California median for family medicine physicians, 2024

  • Dr. Chen
  • California median
Medicare services
323vs 24631% above
Medicare patients
67vs 11843% below
Part D claims
2,066vs 8332.5 times

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Chen's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chen

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Eric M W Chen treated 67 Medicare patients in 2024, average age 74

CMS counts 67 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 60% have high cholesterol. Their average risk score is 0.87, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 58, with 46% women.

Medicare patients, 202467
Average age74
Average risk score0.87

Dr. Chen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chen's Medicare patients by sex, 2024

  • Women4060%
  • Men2740%

Chronic conditions among Dr. Chen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol60%
  3. Diabetes39%
  4. Arthritis34%
  5. Chronic kidney disease24%

Share of Medicare patients with each condition. A patient can have several.

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 58

Patient panel by sex, all payers

  • Women46%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Eric M W Chen wrote 2,492 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 2,492 Medicare Part D claims for 202 patients. 95% of them were for generic drugs. CMS names the drug for 2,066 of them, across 46 drugs with 11 or more claims each, at $28,144 in total drug cost. In 2023, CMS named 1,927 claims across 50 drugs.

Part D claims, 20242,492
Drugs named by CMS46
Total drug cost$28,144
Part D patients202

Dr. Chen's Part D claims by kind of drug, 2024

  • Generic2,367 claims95%
  • Brand-name108 claims4%
  • Other17 claims1%

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

  • Opioids1%35 of 2,492 claims
  • Antibiotics4%93 of 2,492 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: 1,9272024: 2,0667%

Drugs named by CMS: 46 in 2024, 50 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

How Dr. Eric M W Chen takes part in Medicare

Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Removal or shaving of skin growth: 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. Eric M W Chen has 1 publication on record

Dmand AI links 1 paper to Dr. Chen in 2010. Dr. Chen's most frequent co-authors are Richard S. Breiman, MD, Jeremy Charles Durack, MD and Parmbir Singh Sandhu, MD.

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 family medicine physicians.

How network discovery works

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

Dr. Eric M W Chen received $870 in industry payments from 2016 to 2022

CMS Open Payments shows 14 general payments to Dr. Chen from 10 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $176.

General payments to Dr. Chen by program year, 2016 to 2022

Companies that paid Dr. Chen the most, 2016 to 2022

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. Eric M W Chen graduated from National Taiwan University College of Medicine

Dr. Chen graduated from National Taiwan University College of Medicine in 1974.

  1. Medical schoolNational Taiwan University College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Eric M W Chen accepts plans from 16 insurance carriers

Dr. Chen is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Chen accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Eric M W 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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Eric M W 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. Eric M W Chen's NPI number?

Dr. Eric M W Chen's NPI number is 1871697250. It was assigned on September 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric M W Chen?

Dr. Eric M W Chen is a family medicine physician in Laguna Hills, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Eric M W Chen practice?

Dr. Chen practices at 23181 Verdugo Dr, Laguna Hills, CA 92653. Dr. Chen's primary practice is Metropolitan IPA in Laguna Hills, California. Dmand AI also links Dr. Chen to 1 group practice or clinic.

What is Dr. Eric M W Chen's office phone number?

The practice phone on file for Dr. Chen is (714) 796-5900.

What is Dr. Eric M W Chen's medical license number?

Dr. Chen holds California license A36192.

What medical group is Dr. Eric M W Chen part of?

Dr. Chen is linked to Southridge Medical Center.

Does Dr. Eric M W Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 323 services in 2024, and Dr. Chen accepts Medicare assignment.

How many Medicare patients does Dr. Eric M W Chen see?

CMS counts 67 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.

Is Dr. Eric M W Chen board certified?

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

What services does Dr. Eric M W Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36410).

Show 7 more questionsShow fewer questions

Where did Dr. Eric M W Chen go to medical school?

Dr. Chen graduated from National Taiwan University College of Medicine in 1974.

What drugs does Dr. Eric M W Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Amlodipine Besylate.

Has Dr. Eric M W Chen received payments from drug or device companies?

CMS Open Payments shows $870 in general payments to Dr. Chen from 10 companies from 2016 to 2022. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Eric M W Chen been practicing?

Dr. Chen graduated from medical school in 1974, 52 years ago.

Does Dr. Eric M W Chen do research?

Dmand AI links 1 publication to Dr. Chen.

Who does Dr. Eric M W Chen publish with?

Dr. Chen's most frequent co-authors are Richard S. Breiman, MD (1 shared paper), Jeremy Charles Durack, MD (1 shared paper) and Parmbir Singh Sandhu, MD (1 shared paper).

What insurance does Dr. Eric M W Chen accept?

Dr. Chen is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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