Graham Walter Johnson
- Publications
- 40
- Hospital affiliations
- 1
- Industry payments
- $267
- Medical group
- 1
- State license
- 1
- Practice address
- 800 East 28th Street, Minneapolis, MN 55407
- Practice phone
- Call (612) 863-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Graham Johnson'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.
Graham Walter Johnson is a neurosurgeon in Minneapolis, Minnesota
Graham Johnson practices at Abbott Northwestern Hospital in Minneapolis, Minnesota, part of Sutter Health.
Graham Johnson's NPI, 1013757772, was assigned on May 30, 2024. Graham Johnson graduated from Vanderbilt University School of Medicine in 2024. Graham Johnson holds Minnesota license 34335.
- NPI
- 1013757772NPI Registry (opens in a new tab)
- NPI enumeration date
- May 30, 2024
- NPI status
- Active
- Practice phone
- (612) 863-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Graham Walter Johnson practices at Abbott Northwestern Hospital in Minneapolis, Minnesota
Graham Johnson's primary practice is Abbott Northwestern Hospital, at 800 East 28th Street, Minneapolis, MN 55407 in Hennepin County. The practice phone is (612) 863-4000.
- Abbott Northwestern Hospital800 East 28th Street, Minneapolis, MN 55407 · Hennepin CountyPhone(612) 863-4000
Source: Dmand AI Affiliation Data
Graham Walter Johnson is affiliated with 3 sites of care and 1 medical group
Graham Johnson's primary practice is Abbott Northwestern Hospital in Minneapolis, Minnesota, part of Sutter Health. The medical group on file is Mayo Clinic. Dmand AI also links Graham Johnson to 1 more home health agency and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Graham Walter Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Graham Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Abbott Northwestern Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sutter Health and 6.2K+ hospitals, with verified contacts in the same login.
Graham Walter Johnson is one of 148 neurosurgeons in Minnesota
Neurological surgery is Graham Johnson's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Graham Johnson is licensed in Minnesota.
Specialties and state licenses
- Neurological surgery, MinnesotaPrimary
Neurosurgeons near Graham Johnson
Counts of neurosurgeons 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
Graham Walter Johnson's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Graham Johnson's median patient age at 69, with 44% women.
Graham Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Graham Walter Johnson has 40 publications on record
Dmand AI links 40 papers to Graham Johnson, published from 2020 to 2025. 2024 was the busiest year, with 9. The most frequent topics are Magnetic Resonance Imaging, Brain and Epilepsy, Temporal Lobe. Graham Johnson has published most often in Brain. Graham Johnson's most frequent co-authors are Dario J. Englot, MD, PhD, Sarah Kathleen Bick, MD and Shawniqua Tinyka Williams Roberson, MD.
Graham Johnson's papers by year, 2020 to 2025
Topics Graham Johnson writes about most
- Magnetic Resonance Imaging
- Brain
- Epilepsy, Temporal Lobe
- Seizures
- Drug Resistant Epilepsy
- Electroencephalography
- Brain Mapping
- Epilepsies, Partial
Graham Johnson's most frequent co-authors
- Dario J. Englot, MD, PhD32 shared papers
- Sarah Kathleen Bick, MD13 shared papers
- Shawniqua Tinyka Williams Roberson, MD6 shared papers
Recent publications by Graham Johnson
See who Graham Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Graham Johnson works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Graham Walter Johnson received $267 in industry payments in 2025
CMS Open Payments shows 3 general payments to Graham Johnson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $197.
Companies that paid Graham Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Graham Walter Johnson graduated from Vanderbilt University School of Medicine
Graham Johnson graduated from Vanderbilt University School of Medicine in 2024.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Graham Walter Johnson'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 |
| 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 Graham Walter Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Graham Walter Johnson's NPI number?
Graham Walter Johnson's NPI number is 1013757772. It was assigned on May 30, 2024, and it is active in the NPI Registry.
What does Graham Walter Johnson specialize in?
Graham Walter Johnson is a neurosurgeon in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Graham Walter Johnson practice?
Graham Johnson practices at 800 East 28th Street, Minneapolis, MN 55407. Graham Johnson's primary practice is Abbott Northwestern Hospital in Minneapolis, Minnesota, part of Sutter Health. Dmand AI also links Graham Johnson to 1 home health agency and 1 hospice.
What is Graham Walter Johnson's office phone number?
The practice phone on file for Graham Johnson is (612) 863-4000.
What is Graham Walter Johnson's medical license number?
Graham Johnson holds Minnesota license 34335.
Which hospitals is Graham Walter Johnson affiliated with?
Graham Johnson practices at Abbott Northwestern Hospital in Minneapolis, Minnesota.
What medical group is Graham Walter Johnson part of?
Graham Johnson is linked to Mayo Clinic.
Where did Graham Walter Johnson go to medical school?
Graham Johnson graduated from Vanderbilt University School of Medicine in 2024.
Has Graham Walter Johnson received payments from drug or device companies?
CMS Open Payments shows $267 in general payments to Graham Johnson from 2 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Graham Walter Johnson been practicing?
Graham Johnson graduated from medical school in 2024, 2 years ago.
Does Graham Walter Johnson do research?
Dmand AI links 40 publications to Graham Johnson, published from 2020 to 2025.
Who does Graham Walter Johnson publish with?
Graham Johnson's most frequent co-authors are Dario J. Englot, MD, PhD (32 shared papers), Sarah Kathleen Bick, MD (13 shared papers) and Shawniqua Tinyka Williams Roberson, MD (6 shared papers).
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