Alzheimers Res Ther
Alzheimer DiseaseAmyloid beta-PeptidesDouble-Blind Method
Dr. James B. Brewer, MD, PhD
NPI1033144985
- Medicare services, 2022
- 15
- Publications
- 125
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Industry payments
- $123,041
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Brewer's professional email, personal email and mobile number
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Dr. James B. Brewer is a neurologist in San Diego, California
Dr. Brewer practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Brewer's NPI, 1033144985, was assigned on July 11, 2006. Dr. Brewer graduated from Stanford University School Of Medicine in 2000. Dr. Brewer holds California license A89348.
NPI and contact details
- NPI
- 1033144985NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. James B. Brewer practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Brewer's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James B. Brewer is affiliated with 2 sites of care and 1 medical group
Dr. Brewer's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Brewer is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
UCSD Hillcrest Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James B. Brewer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brewer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | 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. James B. Brewer is one of 2,207 neurologists in California
Neurology is Dr. Brewer's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Brewer is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Brewer is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Neurologists near Dr. Brewer
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. James B. Brewer billed Medicare for 15 services in 2022
CMS data shows 15 Medicare services from Dr. Brewer across 1 procedure code in 2022. Medicare paid $2,498 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202215
Paid by Medicare$2,498
Procedure codes1
Dr. Brewer compared with the California median for neurologists, 2022
- Dr. Brewer
- California median
- Medicare services
- 15vs 40496% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Brewer'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 Dr. Brewer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Brewer and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James B. Brewer's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Brewer's median patient age at 74, with 68% women.
Dr. Brewer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women68%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. James B. Brewer scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Brewer for performance year 2024, reported as part of a group.
Dr. Brewer's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. James B. Brewer has 125 publications on record
Dmand AI links 125 papers to Dr. Brewer, published from 2006 to 2025. 2016 was the busiest year, with 8. The most frequent topics are Magnetic Resonance Imaging, Alzheimer Disease and Brain. Dr. Brewer has published most often in Alzheimers Dement. Dr. Brewer's most frequent co-authors are Douglas R. Galasko, MD, Paul Stephen Aisen and Donald J. Hagler, MD.
Papers125
Years published2006 to 2025
Dr. Brewer's papers by year, 2016 to 2025
Topics Dr. Brewer writes about most
- Magnetic Resonance Imaging
- Alzheimer Disease
- Brain
- Cognitive Dysfunction
- Neuropsychological Tests
- Brain Mapping
- Hippocampus
- Memory
Dr. Brewer's most frequent co-authors
- Douglas R. Galasko, MD15 shared papers
- Paul Stephen Aisen13 shared papers
- Donald J. Hagler, MD13 shared papers
Recent publications by Dr. Brewer
Alzheimer DiseaseChinaCognitive Dysfunction
Int J Aging Hum Dev
Alzheimer DiseaseCaliforniaCommunity-Based Participatory Research
See who Dr. Brewer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Brewer 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. James B. Brewer received $123,041 in industry payments from 2016 to 2024
CMS Open Payments shows 154 general payments to Dr. Brewer from 11 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 59% of the total. Eli Lilly and Company paid the most, $116,733.
General payments to Dr. Brewer by program year, 2016 to 2024
General payments to Dr. Brewer by kind, 2016 to 2024
$123Kin total
- Speaker and faculty fees$72,47359%
- Consulting fees$32,15026%
- Travel and lodging$14,38412%
- Food and beverage$4,0333%
- Education$00%
Companies that paid Dr. Brewer the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James B. Brewer graduated from Stanford University School Of Medicine
Dr. Brewer graduated from Stanford University School Of Medicine in 2000. Dr. Brewer is a member of AAN, American Neurological Association and Society for Neuroscience.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. James B. Brewer accepts plans from 14 insurance carriers
Dr. Brewer is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Molina
- +6 more carriersWith a free account
Plan types Dr. Brewer accepts, by number of carriers
- PPO10
- Medicare9
- HMO8
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. James B. Brewer'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 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 Data |
| MIPS scores, telehealth, assignment and procedure percentiles | 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 |
| 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. James B. Brewer
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. James B. Brewer's NPI number?
Dr. James B. Brewer's NPI number is 1033144985. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James B. Brewer?
Dr. James B. Brewer is a neurologist in San Diego, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. James B. Brewer practice?
Dr. Brewer practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Brewer's primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Dr. James B. Brewer's office phone number?
The practice phone on file for Dr. Brewer is (619) 543-6222.
What is Dr. James B. Brewer's medical license number?
Dr. Brewer holds California license A89348.
Which hospitals is Dr. James B. Brewer affiliated with?
Dr. Brewer is affiliated with Hillcrest Medical Center.
What medical group is Dr. James B. Brewer part of?
Dr. Brewer is linked to UC San Diego Health.
Does Dr. James B. Brewer accept Medicare?
Yes. CMS data shows Dr. Brewer billed Medicare for 15 services in 2022.
What is Dr. James B. Brewer's MIPS score?
Dr. Brewer's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Is Dr. James B. Brewer board certified?
Yes. Dr. Brewer is board certified in neurology by the American Board of Psychiatry and Neurology.
Show 7 more questionsShow fewer questions
What services does Dr. James B. Brewer bill to Medicare?
In 2022, Dr. Brewer's most billed Medicare services were hospital inpatient care (99223).
Where did Dr. James B. Brewer go to medical school?
Dr. Brewer graduated from Stanford University School Of Medicine in 2000.
Has Dr. James B. Brewer received payments from drug or device companies?
CMS Open Payments shows $123,041 in general payments to Dr. Brewer from 11 companies from 2016 to 2024. The largest total came from Eli Lilly and Company.
How long has Dr. James B. Brewer been practicing?
Dr. Brewer graduated from medical school in 2000, 26 years ago.
Does Dr. James B. Brewer do research?
Dmand AI links 125 publications to Dr. Brewer, published from 2006 to 2025.
Who does Dr. James B. Brewer publish with?
Dr. Brewer's most frequent co-authors are Douglas R. Galasko, MD (15 shared papers), Paul Stephen Aisen (13 shared papers) and Donald J. Hagler, MD (13 shared papers).
What insurance does Dr. James B. Brewer accept?
Dr. Brewer is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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