AlgorithmsAlzheimer DiseaseAtrophy
Dr. John Earle Barnes, MD
NPI1013097401
- Part D claims, 2024
- 33
- Publications
- 13
- Industry payments
- $16
- Affiliated sites
- 1
- Insurance carriers
- 3
- Practice address
- 2500 Hospital Drive, Mountain View, CA 94040-4106
- Practice phone
- Call (650) 962-0236
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John E Barnes Md, Inc
Physician office · Mountain View, California
Find Dr. Barnes' professional email, personal email and mobile number
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Dr. John Earle Barnes is a neurologist in Mountain View, California
Dr. Barnes practices at John E Barnes Md, Inc in Mountain View, California.
Dr. Barnes' NPI, 1013097401, was assigned on October 17, 2006. Dr. Barnes graduated from Weill Cornell Medicine in 1968. Dr. Barnes holds California license G22446.
NPI and contact details
- NPI
- 1013097401NPI Registry (opens in a new tab)
- NPI enumeration date
- October 17, 2006
- NPI status
- Active
- Practice phone
- (650) 962-0236
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Earle Barnes practices at 2 locations in Mountain View, California
Dr. Barnes' primary practice is John E Barnes Md, Inc, at 2500 Hospital Drive, Mountain View, CA 94040-4106. The practice phone is (650) 962-0236. The NPI Registry lists Dr. Barnes' practice address as 701 E El Camino Real, Mountain View, CA 94040-2833.
- John E Barnes Md, IncPrimary2500 Hospital Drive, Mountain View, CA 94040-4106Phone(650) 962-0236
- NPI Registry address701 E El Camino Real, Mountain View, CA 94040-2833Phone(650) 934-7300
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John Earle Barnes is affiliated with 1 site of care
Dr. Barnes' primary practice is John E Barnes Md, Inc in Mountain View, California.
John E Barnes Md, IncPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Earle Barnes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barnes practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John E Barnes Md, Inc | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Earle Barnes is one of 2,207 neurologists in California
Neurology is Dr. Barnes' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Barnes is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Barnes is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Neurologists near Dr. Barnes
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. John Earle Barnes' patients have a median age of 25
Across all payers, Dmand AI patient panel data puts Dr. Barnes' median patient age at 25, with 50% women.
Dr. Barnes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 25
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John Earle Barnes wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Barnes wrote 33 Medicare Part D claims. 61% of them were for generic drugs. They cover 11 drugs, with $8,040 in total drug cost.
Part D claims, 202433
Drugs named by CMS11
Total drug cost$8,040
Dr. Barnes' Part D claims by kind of drug, 2024
- Generic20 claims61%
- Brand-name13 claims39%
Dr. Barnes' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. John Earle Barnes has 13 publications on record
Dmand AI links 13 papers to Dr. Barnes, published from 2006 to 2008. 2006 was the busiest year, with 2. The most frequent topics are Magnetic Resonance Imaging, Atrophy and Hippocampus. Dr. Barnes has published most often in Appl Opt.
Papers13
Years published2006 to 2008
Dr. Barnes' papers by year, 2006 to 2008
Topics Dr. Barnes writes about most
- Magnetic Resonance Imaging
- Atrophy
- Hippocampus
- Alzheimer Disease
- Image Processing, Computer-Assisted
- Cognition Disorders
- Neuropsychological Tests
- Algorithms
Recent publications by Dr. Barnes
Increased hippocampal atrophy rates in AD over 6 months using serial MR imaging (opens in a new tab)
Neurobiol Aging
AgingAlzheimer DiseaseAtrophy
AlgorithmsArtificial IntelligenceAtrophy
Neurobiol Aging
Alzheimer DiseaseAtrophyHippocampus
J Bone Joint Surg Br
Amputation, SurgicalArtificial LimbsDisarticulation
See who Dr. Barnes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barnes 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. John Earle Barnes received $16 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Barnes from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $16.
Companies that paid Dr. Barnes the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Earle Barnes graduated from Weill Cornell Medicine
Dr. Barnes graduated from Weill Cornell Medicine in 1968.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. John Earle Barnes accepts plans from 3 insurance carriers
Dr. Barnes is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Barnes accepts, by number of carriers
- Medicare3
- PPO3
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Earle Barnes'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. John Earle Barnes
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. John Earle Barnes' NPI number?
Dr. John Earle Barnes' NPI number is 1013097401. It was assigned on October 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Earle Barnes?
Dr. John Earle Barnes is a neurologist in Mountain View, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. John Earle Barnes practice?
Dr. Barnes practices at 2500 Hospital Drive, Mountain View, CA 94040-4106. Dr. Barnes also practices at 701 E El Camino Real, Mountain View, CA 94040-2833. Dr. Barnes' primary practice is John E Barnes Md, Inc in Mountain View, California.
What is Dr. John Earle Barnes' office phone number?
The practice phone on file for Dr. Barnes is (650) 962-0236.
What is Dr. John Earle Barnes' medical license number?
Dr. Barnes holds California license G22446.
Is Dr. John Earle Barnes board certified?
Yes. Dr. Barnes is board certified in neurology by the American Board of Psychiatry and Neurology.
Where did Dr. John Earle Barnes go to medical school?
Dr. Barnes graduated from Weill Cornell Medicine in 1968.
What drugs does Dr. John Earle Barnes prescribe most?
In 2016 Medicare Part D data, Dr. Barnes' most prescribed drugs by claims were Levetiracetam, Carbidopa-Levodopa and Divalproex Sodium.
Has Dr. John Earle Barnes received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Barnes from 1 company from 2018 to 2018. The largest total came from Allergan Inc.
How long has Dr. John Earle Barnes been practicing?
Dr. Barnes graduated from medical school in 1968, 58 years ago.
Does Dr. John Earle Barnes do research?
Dmand AI links 13 publications to Dr. Barnes, published from 2006 to 2008.
What insurance does Dr. John Earle Barnes accept?
Dr. Barnes is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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