Dr. Ethan Min Chen, MD
- Medicare services, 2024
- 231
- Medicare patients, 2024
- 141
- Part D claims, 2024
- 253
- Industry payments
- $16
- Medical groups
- 4
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
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. Ethan Min Chen is a family medicine physician in Fontana, California
Dr. Chen practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Chen's NPI, 1073170312, was assigned on May 22, 2019. Dr. Chen graduated from David Geffen School of Medicine at UCLA in 2019. Dr. Chen holds California license A179722.
- NPI
- 1073170312NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183018500
- NPI enumeration date
- May 22, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ethan Min Chen practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Chen's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ethan Min Chen is affiliated with 1 site of care and 4 medical groups
Dr. Chen's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. The medical group on file is Tri-State Community Healthcare Center. Dmand AI also links Dr. Chen to 3 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ethan Min 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 - Fontana Medical Center | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ethan Min 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 family medicine by the American Board of Family Medicine. Dr. Chen is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists conjunctivitis, gastroenteritis, lower back pain, pneumonia and UTI 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. Ethan Min Chen billed Medicare for 231 services in 2024
CMS data shows 231 Medicare services from Dr. Chen across 7 procedure codes in 2024, for 141 Medicare patients. Medicare paid $16,962 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2024
- Office and hospital visits139
- Lab and pathology57
- Other services18
- Imaging17
Dr. Chen compared with the California median for family medicine physicians, 2024
- Dr. Chen
- California median
- Medicare services
- 231vs 2466% below
- Medicare patients
- 141vs 11819% above
- Part D claims
- 122vs 83385% below
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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ethan Min Chen treated 141 Medicare patients in 2024, average age 73
CMS counts 141 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 73 patients. 74% of them have high cholesterol, and 69% have high blood pressure. 18% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 45, with 58% women.
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
- Women9467%
- Men4733%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol74%
- High blood pressure69%
- Arthritis47%
- Diabetes36%
- Ischemic heart disease28%
- Chronic kidney disease25%
- Mood disorders20%
- Anxiety19%
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 45
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ethan Min Chen wrote 253 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 253 Medicare Part D claims for 169 patients. 94% of them were for generic drugs. CMS names the drug for 122 of them, across 6 drugs with 11 or more claims each, at $1,184 in total drug cost. In 2023, CMS named 302 claims across 10 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic239 claims94%
- Brand-name and other14 claims6%
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
- Antibiotics53%135 of 253 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: 3022024: 12260%
Drugs named by CMS: 6 in 2024, 10 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. Ethan Min Chen takes part in Medicare
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ethan Min Chen received $16 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Chen from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $16.
Companies that paid Dr. Chen the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ethan Min Chen graduated from David Geffen School of Medicine at UCLA
Dr. Chen graduated from David Geffen School of Medicine at UCLA in 2019.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Ethan Min 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 Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Chen accepts, by number of carriers
- Medicare7
- PPO6
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ethan Min 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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ethan Min 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. Ethan Min Chen's NPI number?
Dr. Ethan Min Chen's NPI number is 1073170312. It was assigned on May 22, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Ethan Min Chen?
Dr. Ethan Min Chen is a family medicine physician in Fontana, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ethan Min Chen practice?
Dr. Chen practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Chen's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Chen to 3 medical groups.
What is Dr. Ethan Min Chen's office phone number?
The practice phone on file for Dr. Chen is (909) 427-5000.
What is Dr. Ethan Min Chen's medical license number?
Dr. Chen holds California license A179722.
What medical group is Dr. Ethan Min Chen part of?
Dr. Chen is linked to Tri-State Community Healthcare Center. Dmand AI links Dr. Chen to 3 more medical groups.
Does Dr. Ethan Min Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 231 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Ethan Min Chen see?
CMS counts 141 Medicare patients who saw Dr. Chen in 2024, with an average age of 73.
Is Dr. Ethan Min Chen board certified?
Yes. Dr. Chen is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Ethan Min Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and lab and pathology test (81003).
Show 5 more questionsShow fewer questions
Where did Dr. Ethan Min Chen go to medical school?
Dr. Chen graduated from David Geffen School of Medicine at UCLA in 2019.
What drugs does Dr. Ethan Min Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Cephalexin and Doxycycline Hyclate.
Has Dr. Ethan Min Chen received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Chen from 1 company from 2022 to 2022. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ethan Min Chen been practicing?
Dr. Chen graduated from medical school in 2019, 7 years ago.
What insurance does Dr. Ethan Min Chen accept?
Dr. Chen is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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