Dr. Eric M. Chen, MD
- Medicare services, 2024
- 7,549
- Medicare patients, 2024
- 3,663
- Hospital affiliations
- 6
- Industry payments
- $418
- Medical groups
- 13
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- 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
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Dr. Eric M. Chen is a diagnostic radiologist in Walnut Creek, California
Dr. Chen practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Chen's NPI, 1124261722, was assigned on April 13, 2009. Dr. Chen graduated from University of California, Irvine, California College of Medicine in 2008. Dr. Chen holds California license A109407.
- NPI
- 1124261722NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113166190
- NPI enumeration date
- April 13, 2009
- NPI status
- Active
- Practice phone
- (925) 939-3000
- 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; and Dmand AI Affiliation Data
Dr. Eric M. Chen practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Chen's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. Eric M. Chen is affiliated with 8 sites of care and 13 medical groups
Dr. Chen's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Chen is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Chen to 4 more hospitals, 12 medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric M. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +7 more sites and 12 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric M. Chen is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Chen is licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Chen
Counts of diagnostic radiologists 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. Chen billed Medicare for 7,549 services in 2024
CMS data shows 7,549 Medicare services from Dr. Chen across 44 procedure codes in 2024, for 3,663 Medicare patients. Medicare paid $187,594 for them.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,4292024: 5,24653%
- Other services
- 2023: 3,2992024: 2,18434%
- Tests and treatments
- 2023: 982024: 1057%
- Surgery
- 2023: 612024: 1477%
Where Dr. Chen's Medicare services took place, 2024
- In an office2,50333%
- In a facility5,04667%
Dr. Chen compared with the California median for diagnostic radiologists, 2024
- Dr. Chen
- California median
- Medicare services
- 7,549vs 2,2813.3 times
- Medicare patients
- 3,663vs 1,3462.7 times
Medians across 3,734 diagnostic radiologists 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 diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric M. Chen treated 3,663 Medicare patients in 2024, average age 75
CMS counts 3,663 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 1,504 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 56, with 77% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women2,73275%
- Men93125%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis45%
- Diabetes31%
- Chronic kidney disease30%
- Mood disorders29%
- Anxiety28%
- Depression26%
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 56
Patient panel by sex, all payers
- Women77%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Eric M. Chen received $418 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Chen from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $201.
General payments to Dr. Chen by program year, 2016 to 2025
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. Eric M. Chen graduated from University of California, Irvine, California College of Medicine
Dr. Chen graduated from University of California, Irvine, California College of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric M. 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 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) |
| 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. Eric M. 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. Chen's NPI number?
Dr. Eric M. Chen's NPI number is 1124261722. It was assigned on April 13, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric M. Chen?
Dr. Eric M. Chen is a diagnostic radiologist in Walnut Creek, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Eric M. Chen practice?
Dr. Chen practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Chen's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Chen to 4 hospitals, 12 medical groups and 2 group practices and clinics.
What is Dr. Eric M. Chen's office phone number?
The practice phone on file for Dr. Chen is (925) 939-3000.
What is Dr. Eric M. Chen's medical license number?
Dr. Chen holds California license A109407.
Which hospitals is Dr. Eric M. Chen affiliated with?
Dr. Chen practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dr. Chen is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Chen to 4 more hospitals.
What medical group is Dr. Eric M. Chen part of?
Dr. Chen is linked to The Queen's Medical Center. Dmand AI links Dr. Chen to 12 more medical groups.
Does Dr. Eric M. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 7,549 services in 2024.
How many Medicare patients does Dr. Eric M. Chen see?
CMS counts 3,663 Medicare patients who saw Dr. Chen in 2024, with an average age of 75.
What services does Dr. Eric M. Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were medical supplies or transport (A9585), radiation oncology (77067) and radiation oncology (77063).
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Where did Dr. Eric M. Chen go to medical school?
Dr. Chen graduated from University of California, Irvine, California College of Medicine in 2008.
Has Dr. Eric M. Chen received payments from drug or device companies?
CMS Open Payments shows $418 in general payments to Dr. Chen from 6 companies from 2016 to 2025. The largest total came from Ethicon Inc.
How long has Dr. Eric M. Chen been practicing?
Dr. Chen graduated from medical school in 2008, 18 years ago.
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