AJNR Am J Neuroradiol
AnisotropyCerebral PalsyDiffusion Tensor Imaging
Dr. Joyce H. Matsumoto, MD
NPI1194868182PAC ID3476651928
- Part D claims, 2024
- 173
- Publications
- 12
- Clinical trials
- 1
- MIPS score, 2024
- 78
- Industry payments
- $26,781
- Practice address
- 200 Medical Plz, Los Angeles, CA 90024
- Practice phone
- Call (310) 794-9206
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Peter Morton UCLA Medical Building
Los Angeles, California
Find Dr. Matsumoto's professional email, personal email and mobile number
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Dr. Joyce H. Matsumoto is a neurologist in Los Angeles, California
Dr. Matsumoto practices at Peter Morton UCLA Medical Building in Los Angeles, California.
Dr. Matsumoto's NPI, 1194868182, was assigned on February 15, 2007. Dr. Matsumoto graduated from Loma Linda University School Of Medicine in 2002. Dr. Matsumoto holds California license A87710.
NPI and contact details
- NPI
- 1194868182NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476651928
- NPI enumeration date
- February 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 794-9206
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joyce H. Matsumoto practices at Peter Morton UCLA Medical Building in Los Angeles, California
Dr. Matsumoto's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.
- Peter Morton UCLA Medical Building200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joyce H. Matsumoto is affiliated with 2 sites of care and 1 medical group
Dr. Matsumoto's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. The medical group on file is UCLA Health. Dmand AI also links Dr. Matsumoto to 1 more group practice or clinic, named with a free account.
Peter Morton UCLA Medical BuildingPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joyce H. Matsumoto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matsumoto practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peter Morton UCLA Medical Building | 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. Joyce H. Matsumoto is one of 2,207 neurologists in California
Neurology is Dr. Matsumoto's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Matsumoto is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dr. Matsumoto is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Clinical focus
Dmand AI lists intellectual and developmental disabilities among the conditions Dr. Matsumoto treats.
Neurologists near Dr. Matsumoto
Counts of neurologists 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. Joyce H. Matsumoto's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Matsumoto's median patient age at 13, with 44% women.
Dr. Matsumoto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Joyce H. Matsumoto wrote 173 Medicare Part D claims in 2024
In 2024, Dr. Matsumoto wrote 173 Medicare Part D claims for 12 patients. 77% of them were for generic drugs. CMS names the drug for 117 of them, across 7 drugs with 11 or more claims each, at $60,448 in total drug cost. In 2023, CMS named 75 claims across 4 drugs.
Part D claims, 2024173
Drugs named by CMS7
Total drug cost$60,448
Part D patients12
Dr. Matsumoto's Part D claims by kind of drug, 2024
- Generic133 claims77%
- Brand-name40 claims23%
Dr. Matsumoto'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 752024: 11756%
Drugs named by CMS: 7 in 2024, 4 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
Dr. Joyce H. Matsumoto scored 78 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 78 out of 100 for Dr. Matsumoto for performance year 2024, reported as part of a group. Dr. Matsumoto accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Matsumoto's MIPS scores, performance year 2024
- 78of 100Final score
- 82.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 10of 100Cost
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. Joyce H. Matsumoto has 12 publications on record
Dmand AI links 12 papers to Dr. Matsumoto, published from 2013 to 2023. 2013 was the busiest year, with 4. The most frequent topics are Cerebral Palsy, Diffusion Tensor Imaging and Muscle Spasticity. Dr. Matsumoto has published most often in AJNR Am J Neuroradiol. Dr. Matsumoto's most frequent co-authors are Nicholas Abend, MD, Kevin E. Chapman, MD and Dennis J. Dlugos, MD.
Papers12
Years published2013 to 2023
Dr. Matsumoto's papers by year, 2013 to 2023
Topics Dr. Matsumoto writes about most
- Cerebral Palsy
- Diffusion Tensor Imaging
- Muscle Spasticity
- White Matter
Dr. Matsumoto's most frequent co-authors
- Nicholas Abend, MD4 shared papers
- Kevin E. Chapman, MD4 shared papers
- Dennis J. Dlugos, MD4 shared papers
Recent publications by Dr. Matsumoto
AJNR Am J Neuroradiol
BrainCerebral PalsyDiffusion Tensor Imaging
See who Dr. Matsumoto researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Matsumoto works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joyce H. Matsumoto has worked on 1 clinical trial
Dmand AI links Dr. Matsumoto to 1 clinical trial. Conditions studied include Brain Injuries and Craniocerebral Trauma.
Conditions in Dr. Matsumoto's trials
- Brain Injuries
- Craniocerebral Trauma
Investigators on the most trials with Dr. Matsumoto
Recent clinical trials with Dr. Matsumoto
Brain InjuriesCraniocerebral TraumaKetogenic diet
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Joyce H. Matsumoto received $26,781 in industry payments from 2016 to 2025
CMS Open Payments shows 194 general payments to Dr. Matsumoto from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 45% of the total. Mallinckrodt Enterprises LLC paid the most, $7,704.
General payments to Dr. Matsumoto by program year, 2016 to 2025
General payments to Dr. Matsumoto by kind, 2016 to 2025
$26.8Kin total
- Consulting fees$12,10845%
- Food and beverage$11,94945%
- Travel and lodging$2,72310%
- Education$10%
Companies that paid Dr. Matsumoto 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. Joyce H. Matsumoto graduated from Loma Linda University School Of Medicine
Dr. Matsumoto graduated from Loma Linda University School Of Medicine in 2002. Dr. Matsumoto is a member of AES.
- Medical school
- Board certified in clinical neurophysiology
- Board certified in epilepsy
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Joyce H. Matsumoto accepts plans from 13 insurance carriers
Dr. Matsumoto is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Elevance
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Matsumoto accepts, by number of carriers
- HMO7
- Medicare7
- PPO7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Joyce H. Matsumoto'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Joyce H. Matsumoto
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. Joyce H. Matsumoto's NPI number?
Dr. Joyce H. Matsumoto's NPI number is 1194868182. It was assigned on February 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce H. Matsumoto?
Dr. Joyce H. Matsumoto is a neurologist in Los Angeles, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Joyce H. Matsumoto practice?
Dr. Matsumoto practices at 200 Medical Plz, Los Angeles, CA 90024. Dr. Matsumoto's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Dr. Matsumoto to 1 group practice or clinic.
What is Dr. Joyce H. Matsumoto's office phone number?
The practice phone on file for Dr. Matsumoto is (310) 794-9206.
What is Dr. Joyce H. Matsumoto's medical license number?
Dr. Matsumoto holds California license A87710.
What medical group is Dr. Joyce H. Matsumoto part of?
Dr. Matsumoto is linked to UCLA Health.
Does Dr. Joyce H. Matsumoto accept Medicare?
Yes. CMS lists Dr. Matsumoto as accepting Medicare assignment.
What is Dr. Joyce H. Matsumoto's MIPS score?
Dr. Matsumoto's MIPS final score for performance year 2024 is 78 out of 100, reported as part of a group.
Is Dr. Joyce H. Matsumoto board certified?
Yes. Dr. Matsumoto is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.
Where did Dr. Joyce H. Matsumoto go to medical school?
Dr. Matsumoto graduated from Loma Linda University School Of Medicine in 2002.
Show 6 more questionsShow fewer questions
What drugs does Dr. Joyce H. Matsumoto prescribe most?
In 2024 Medicare Part D data, Dr. Matsumoto's most prescribed drugs by claims were Clobazam, Lamotrigine and Diazepam.
Has Dr. Joyce H. Matsumoto received payments from drug or device companies?
CMS Open Payments shows $26,781 in general payments to Dr. Matsumoto from 25 companies from 2016 to 2025. The largest total came from Mallinckrodt Enterprises LLC.
How long has Dr. Joyce H. Matsumoto been practicing?
Dr. Matsumoto graduated from medical school in 2002, 24 years ago.
Does Dr. Joyce H. Matsumoto do research?
Dmand AI links 12 publications to Dr. Matsumoto, published from 2013 to 2023. Dr. Matsumoto has worked on 1 clinical trial.
Who does Dr. Joyce H. Matsumoto publish with?
Dr. Matsumoto's most frequent co-authors are Nicholas Abend, MD (4 shared papers), Kevin E. Chapman, MD (4 shared papers) and Dennis J. Dlugos, MD (4 shared papers).
What insurance does Dr. Joyce H. Matsumoto accept?
Dr. Matsumoto is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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