Joan June Chen
- Medicare services, 2022
- 11
- Medicare patients, 2024
- 34
- Hospital affiliations
- 1
- Industry payments
- $31
- Medical group
- 1
- Practice address
- 2000 Mowry Ave, Fremont, CA 94538
- Practice phone
- Call (510) 797-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Joan Chen's professional email, personal email and mobile number
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Joan June Chen is an anesthesiologist in Fremont, California
Joan Chen practices at Washington Health in Fremont, California, part of Washington Health.
Joan Chen's NPI, 1053320507, was assigned on August 5, 2006. Joan Chen graduated from Stanford University School Of Medicine in 1998. Joan Chen holds California license A71493.
- NPI
- 1053320507NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749205409
- NPI enumeration date
- August 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 797-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joan June Chen practices at Washington Health in Fremont, California
Joan Chen's primary practice is Washington Health, at 2000 Mowry Ave, Fremont, CA 94538 in Alameda County. The practice phone is (510) 797-1111.
- Washington Health2000 Mowry Ave, Fremont, CA 94538 · Alameda CountyPhone(510) 797-1111
Source: Dmand AI Affiliation Data
Joan June Chen is affiliated with 1 site of care and 1 medical group
Joan Chen's primary practice is Washington Health in Fremont, California, part of Washington Health. The medical group on file is CEP America.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joan June Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joan Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington Health | 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 Washington Health and 6.2K+ hospitals, with verified contacts in the same login.
Joan June Chen is one of 6,593 anesthesiologists in California
Anesthesiology is Joan Chen's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Joan Chen is board certified in anesthesiology by the American Board of Anesthesiology. Joan Chen is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Joan Chen
Counts of anesthesiologists 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
Joan June Chen billed Medicare for 11 services in 2022
CMS data shows 11 Medicare services from Joan Chen across 1 procedure code in 2022, for 34 Medicare patients. Medicare paid $1,553 for them. Every service was in a facility, such as a hospital, rather than an office.
Joan Chen's Medicare services by type, 2019 to 2022
- 2019
- 2022
- Anesthesia
- 2019: 112022: 11No change
Joan Chen compared with the California median for anesthesiologists, 2022
- Joan Chen
- California median
- Medicare services
- 11vs 7285% below
- Medicare patients
- 34vs 14376% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Joan Chen's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Joan Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Joan Chen and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Joan June Chen treated 34 Medicare patients in 2024, average age 75
CMS counts 34 Medicare patients who saw Joan Chen in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Joan Chen's median patient age at 58, with 72% women.
Joan Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joan Chen's Medicare patients by sex, 2024
- Women1544%
- Men1956%
Chronic conditions among Joan Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease53%
- Arthritis50%
- Ischemic heart disease38%
- Atrial fibrillation32%
- Diabetes32%
Share of Medicare patients with each condition. A patient can have several.
Joan 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
- Women72%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Joan June Chen takes part in Medicare
Joan 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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Joan June Chen received $31 in industry payments in 2025
CMS Open Payments shows 1 general payment to Joan Chen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $31.
Companies that paid Joan Chen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Joan June Chen graduated from Stanford University School Of Medicine
Joan Chen graduated from Stanford University School Of Medicine in 1998.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Joan June Chen accepts plans from 8 insurance carriers
Joan Chen is in network with 8 carriers, including United Healthcare, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
Plan types Joan Chen accepts, by number of carriers
- Medicare5
- PPO5
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Joan June 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) |
| 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 Joan June 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 Joan June Chen's NPI number?
Joan June Chen's NPI number is 1053320507. It was assigned on August 5, 2006, and it is active in the NPI Registry.
What does Joan June Chen specialize in?
Joan June Chen is an anesthesiologist in Fremont, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Joan June Chen practice?
Joan Chen practices at 2000 Mowry Ave, Fremont, CA 94538. Joan Chen's primary practice is Washington Health in Fremont, California, part of Washington Health.
What is Joan June Chen's office phone number?
The practice phone on file for Joan Chen is (510) 797-1111.
What is Joan June Chen's medical license number?
Joan Chen holds California license A71493.
Which hospitals is Joan June Chen affiliated with?
Joan Chen practices at Washington Health in Fremont, California.
What medical group is Joan June Chen part of?
Joan Chen is linked to CEP America.
Does Joan June Chen accept Medicare?
Yes. CMS data shows Joan Chen billed Medicare for 11 services in 2022, and Joan Chen accepts Medicare assignment.
How many Medicare patients does Joan June Chen see?
CMS counts 34 Medicare patients who saw Joan Chen in 2024, with an average age of 75.
Is Joan June Chen board certified?
Yes. Joan Chen is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Joan June Chen bill to Medicare?
In 2022, Joan Chen's most billed Medicare services were anesthesia (00731).
Where did Joan June Chen go to medical school?
Joan Chen graduated from Stanford University School Of Medicine in 1998.
Has Joan June Chen received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Joan Chen from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Joan June Chen been practicing?
Joan Chen graduated from medical school in 1998, 28 years ago.
What insurance does Joan June Chen accept?
Joan Chen is in network with 8 carriers, including United Healthcare, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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