Dr. Johnathan Chen, MD
- Medicare services, 2024
- 4,122
- Medicare patients, 2024
- 1,925
- MIPS score, 2024
- 94
- Hospital affiliations
- 4
- Industry payments
- $14,728
- Practice address
- 1260 15th Street, Suite 1401, Santa Monica, CA 90404
- Practice phone
- Call (310) 434-2495
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cosmetic Surgery Center of Santa Monica
Surgery Center - Medicare-Certified · Santa Monica, 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. Johnathan Chen is a diagnostic radiologist in Santa Monica, California
Dr. Chen practices at Cosmetic Surgery Center of Santa Monica in Santa Monica, California.
Dr. Chen's NPI, 1669798443, was assigned on April 19, 2010. Dr. Chen graduated from New York University School of Medicine in 2009. Dr. Chen holds California license A113844.
- NPI
- 1669798443NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597983916
- NPI enumeration date
- April 19, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 434-2495
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnathan Chen practices at Cosmetic Surgery Center of Santa Monica in Santa Monica, California
Dr. Chen's primary practice is Cosmetic Surgery Center of Santa Monica, at 1260 15th Street, Suite 1401, Santa Monica, CA 90404. The practice phone is (310) 434-2495.
- Cosmetic Surgery Center of Santa Monica1260 15th Street, Suite 1401, Santa Monica, CA 90404Phone(310) 434-2495
Source: Dmand AI Affiliation Data
Dr. Johnathan Chen is affiliated with 6 sites of care and 3 medical groups
Dr. Chen's primary practice is Cosmetic Surgery Center of Santa Monica in Santa Monica, California. Dr. Chen is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is Martin Luther King Jr. Community Medical Group. Dmand AI also links Dr. Chen to 3 more hospitals, 2 medical groups and 1 dialysis center, 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. Johnathan Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cosmetic Surgery Center of Santa Monica | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Johnathan 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 board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Virginia.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Virginia license
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. Johnathan Chen billed Medicare for 4,122 services in 2024
CMS data shows 4,122 Medicare services from Dr. Chen across 45 procedure codes in 2024, for 1,925 Medicare patients. Medicare paid $110,880 for them.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,9062024: 2,40826%
- Other services
- 2023: 02024: 1,583
- Tests and treatments
- 2023: 1512024: 13113%
Where Dr. Chen's Medicare services took place, 2024
- In an office2,74367%
- In a facility1,37933%
Dr. Chen compared with the California median for diagnostic radiologists, 2024
- Dr. Chen
- California median
- Medicare services
- 4,122vs 2,28181% above
- Medicare patients
- 1,925vs 1,34643% above
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. Johnathan Chen treated 1,925 Medicare patients in 2024, average age 74
CMS counts 1,925 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 810 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.09, 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 48, with 51% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women1,10858%
- Men81742%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Diabetes42%
- Ischemic heart disease39%
- Mood disorders37%
- Chronic kidney disease33%
- Depression33%
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 48
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnathan Chen scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Chen for performance year 2024, reported through an alternative payment model (APM). Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chen's MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Johnathan Chen received $14,728 in industry payments from 2018 to 2025
CMS Open Payments shows 27 general payments to Dr. Chen from 3 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 88% of the total. Siemens Medical Solutions USA, Inc. paid the most, $13,343.
General payments to Dr. Chen by program year, 2018 to 2025
General payments to Dr. Chen by kind, 2018 to 2025
- Travel and lodging$12,92988%
- Consulting fees$1,2388%
- Food and beverage$5624%
Companies that paid Dr. Chen the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Johnathan Chen graduated from New York University School of Medicine
Dr. Chen graduated from New York University School of Medicine in 2009.
- Medical school
- Board certified in diagnostic radiology
- Board certified in pediatric radiology
Source: Dmand AI Professional Profile Data
Dr. Johnathan Chen accepts plans from 8 insurance carriers
Dr. Chen is in network with 8 carriers, including Elevance, 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.
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- NV State Medicaid
Plan types Dr. Chen accepts, by number of carriers
- Medicare6
- PPO5
- EPO2
- HMO2
- Medicaid2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Johnathan 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)Clinician Public Reporting: Overall MIPS Performance (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. Johnathan 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. Johnathan Chen's NPI number?
Dr. Johnathan Chen's NPI number is 1669798443. It was assigned on April 19, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnathan Chen?
Dr. Johnathan Chen is a diagnostic radiologist in Santa Monica, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Johnathan Chen practice?
Dr. Chen practices at 1260 15th Street, Suite 1401, Santa Monica, CA 90404. Dr. Chen's primary practice is Cosmetic Surgery Center of Santa Monica in Santa Monica, California. Dmand AI also links Dr. Chen to 3 hospitals, 2 medical groups and 1 dialysis center.
What is Dr. Johnathan Chen's office phone number?
The practice phone on file for Dr. Chen is (310) 434-2495.
What is Dr. Johnathan Chen's medical license number?
Dr. Chen holds California license A113844, one of the licenses on file in 2 states.
Which states has Dr. Johnathan Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2010 to 2026) and Virginia (2014 to 2018).
Which hospitals is Dr. Johnathan Chen affiliated with?
Dr. Chen is affiliated with UCLA Santa Monica Medical Center. Dmand AI links Dr. Chen to 3 more hospitals.
What medical group is Dr. Johnathan Chen part of?
Dr. Chen is linked to Martin Luther King Jr. Community Medical Group. Dmand AI links Dr. Chen to 2 more medical groups.
Does Dr. Johnathan Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 4,122 services in 2024, and Dr. Chen accepts Medicare assignment.
What is Dr. Johnathan Chen's MIPS score?
Dr. Chen's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Johnathan Chen see?
CMS counts 1,925 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
Is Dr. Johnathan Chen board certified?
Yes. Dr. Chen is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Johnathan Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were medical supplies or transport (A9585), diagnostic imaging (71045) and diagnostic imaging (73130).
Where did Dr. Johnathan Chen go to medical school?
Dr. Chen graduated from New York University School of Medicine in 2009.
Has Dr. Johnathan Chen received payments from drug or device companies?
CMS Open Payments shows $14,728 in general payments to Dr. Chen from 3 companies from 2018 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Johnathan Chen been practicing?
Dr. Chen graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Johnathan Chen accept?
Dr. Chen is in network with 8 carriers, including Elevance, 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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