Dr. Brian Ray Chen, MD
- Medicare services, 2024
- 100
- Medicare patients, 2024
- 175
- Hospital affiliations
- 1
- Industry payments
- $160
- Medical group
- 1
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- 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. Brian Ray Chen is an anesthesiologist in Los Angeles, California
Dr. Chen practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Dr. Chen's NPI, 1881086189, was assigned on February 23, 2015. Dr. Chen graduated from Feinberg School of Medicine in 2022. Dr. Chen's California license number on file is A164572.
- NPI
- 1881086189NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759760242
- NPI enumeration date
- February 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Ray Chen practices at Keck Hospital of USC in Los Angeles, California
Dr. Chen's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Dr. Brian Ray Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Chen to 1 more urgent care center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian Ray Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian Ray Chen is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chen is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Chen has a license on file in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. 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
Dr. Brian Ray Chen billed Medicare for 100 services in 2024
CMS data shows 100 Medicare services from Dr. Chen across 6 procedure codes in 2024, for 175 Medicare patients. Medicare paid $12,415 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen's Medicare services by type, 2024
- Anesthesia75
- Surgery25
Dr. Chen compared with the California median for anesthesiologists, 2024
- Dr. Chen
- California median
- Medicare services
- 100vs 7239% above
- Medicare patients
- 175vs 14322% above
Medians across 5,562 anesthesiologists 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.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian Ray Chen treated 175 Medicare patients in 2024, average age 71
CMS counts 175 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have arthritis, and 75% have high blood pressure. 34% are also on Medicaid. Their average risk score is 1.77, 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 44% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women10962%
- Men6638%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety42%
- Diabetes37%
- Mood disorders33%
- Depression32%
- Chronic kidney disease27%
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
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Brian Ray 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. Brian Ray Chen received $160 in industry payments from 2023 to 2025
CMS Open Payments shows 3 general payments to Dr. Chen from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $111.
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. Brian Ray Chen graduated from Feinberg School of Medicine
Dr. Chen graduated from Feinberg School of Medicine in 2022.
- Medical school
- Board certified in anesthesiology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Brian Ray 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 Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Molina
Plan types Dr. Chen accepts, by number of carriers
- Medicare6
- PPO4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Brian Ray 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 Dr. Brian Ray 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. Brian Ray Chen's NPI number?
Dr. Brian Ray Chen's NPI number is 1881086189. It was assigned on February 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Ray Chen?
Dr. Brian Ray Chen is an anesthesiologist in Los Angeles, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Brian Ray Chen practice?
Dr. Chen practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Chen's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Chen to 1 urgent care center.
What is Dr. Brian Ray Chen's office phone number?
The practice phone on file for Dr. Chen is (323) 442-8656.
What is Dr. Brian Ray Chen's medical license number?
Dr. Chen's California license number on file is A164572.
Which hospitals is Dr. Brian Ray Chen affiliated with?
Dr. Chen practices at Keck Hospital of USC in Los Angeles, California.
What medical group is Dr. Brian Ray Chen part of?
Dr. Chen is linked to USC Care Medical Group.
Does Dr. Brian Ray Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 100 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Brian Ray Chen see?
CMS counts 175 Medicare patients who saw Dr. Chen in 2024, with an average age of 71.
Is Dr. Brian Ray Chen board certified?
Yes. Dr. Chen is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Brian Ray Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were anesthesia (01402), anesthesia (01938) and surgery: brain, spine and nerves (64448).
Where did Dr. Brian Ray Chen go to medical school?
Dr. Chen graduated from Feinberg School of Medicine in 2022.
Has Dr. Brian Ray Chen received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Dr. Chen from 3 companies from 2023 to 2025. The largest total came from Halyard Health, Inc.
How long has Dr. Brian Ray Chen been practicing?
Dr. Chen graduated from medical school in 2022, 4 years ago.
What insurance does Dr. Brian Ray Chen accept?
Dr. Chen is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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