Career ChoiceGeneral SurgeryInternship and Residency
Dr. Stefan Walter Johnson, MD
NPI1932338613PAC ID9931320207
- Medicare services, 2024
- 102
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 21
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 1200 S Columbia Rd, Grand Forks, ND 58201
- Practice phone
- Call (701) 780-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Stefan Walter Johnson is a general surgeon in Grand Forks, North Dakota
Dr. Johnson practices at Altru Hospital in Grand Forks, North Dakota, part of Altru Health System.
Dr. Johnson's NPI, 1932338613, was assigned on July 2, 2009. Dr. Johnson graduated from University of North Dakota School of Medicine in 2009. Dr. Johnson holds North Dakota license 13356.
NPI and contact details
- NPI
- 1932338613NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931320207
- NPI enumeration date
- July 2, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (701) 780-5000
- 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. Stefan Walter Johnson practices at Altru Hospital in Grand Forks, North Dakota
Dr. Johnson's primary practice is Altru Hospital, at 1200 S Columbia Rd, Grand Forks, ND 58201 in Grand Forks County. The practice phone is (701) 780-5000.
- Altru Hospital1200 S Columbia Rd, Grand Forks, ND 58201 · Grand Forks CountyPhone(701) 780-5000
Source: Dmand AI Affiliation Data
Dr. Stefan Walter Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Altru Hospital in Grand Forks, North Dakota, part of Altru Health System. The medical group on file is Altru Health System. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stefan Walter Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Altru Hospital | 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. Stefan Walter Johnson is one of 99 general surgeons in North Dakota
Surgery is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Johnson's licenses on file in 2 states: North Dakota and Minnesota.
Specialties and state licenses
- Surgery, North DakotaPrimary
- Minnesota license
General surgeons near Dr. Johnson
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
99general surgeons in North Dakota20general surgeons in Grand Forks13general surgeons at Altru Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stefan Walter Johnson billed Medicare for 102 services in 2024
CMS data shows 102 Medicare services from Dr. Johnson across 5 procedure codes in 2024, for 123 Medicare patients. Medicare paid $9,237 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024102
Medicare patients123
Paid by Medicare$9,237
Procedure codes5
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1072024: 8719%
- Surgery
- 2023: 502024: 1570%
Dr. Johnson compared with the North Dakota median for general surgeons, 2024
- Dr. Johnson
- North Dakota median
- Medicare services
- 102vs 14027% below
- Medicare patients
- 123vs 1157% above
- Part D claims
- 13vs 3057% below
Medians across 101 general surgeons in North Dakota with Dmand AI profiles that report each measure.
Dr. Johnson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stefan Walter Johnson treated 123 Medicare patients in 2024, average age 72
CMS counts 123 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 71 patients. 71% of them have high blood pressure, and 67% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 71, with 55% women.
Medicare patients, 2024123
Average age72
Average risk score1.09
Also on Medicaid15%
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women6250%
- Men6150%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure71%
- High cholesterol67%
- Arthritis42%
- Ischemic heart disease32%
- Diabetes28%
- Cancer27%
- Chronic kidney disease26%
- Anxiety25%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 71
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stefan Walter Johnson wrote 21 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 21 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $198 in total drug cost. In 2021, CMS named 27 claims across 2 drugs.
Part D claims, 202421
Drugs named by CMS1
Total drug cost$198
Part D patients11
Dr. Johnson's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Antibiotics71%15 of 21 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 272022: 1352%
Drugs named by CMS: 1 in 2022, 2 in 2021.
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. Stefan Walter Johnson ranks in the 75th percentile for mastectomy in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of mastectomy by Dr. Johnson, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Johnson ranks in Medicare procedure volume
- Colonoscopy
- 49th percentile22 procedures
- Mastectomy
- 75th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stefan Walter Johnson has 3 publications on record
Dmand AI links 3 papers to Dr. Johnson, published from 2020 to 2025. The most frequent topics are General Surgery and Rural Health Services. Dr. Johnson's most frequent co-authors are Robert P. Sticca, MD and Kayla Jo Burchill, MD.
Papers3
Years published2020 to 2025
Dr. Johnson's papers by year, 2020 to 2025
Topics Dr. Johnson writes about most
- General Surgery
- Rural Health Services
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
Surg Clin North Am
Biomedical TechnologyGeneral SurgeryHospitals, Rural
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stefan Walter Johnson received $13,122 in industry payments from 2017 to 2025
CMS Open Payments shows 57 general payments to Dr. Johnson from 3 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 46% of the total. Intuitive Surgical, Inc. paid the most, $12,976.
General payments to Dr. Johnson by program year, 2017 to 2025
General payments to Dr. Johnson by kind, 2017 to 2025
$13.1Kin total
- Travel and lodging$6,05146%
- Education$6,00046%
- Food and beverage$1,0728%
Companies that paid Dr. Johnson the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stefan Walter Johnson graduated from University of North Dakota School of Medicine
Dr. Johnson graduated from University of North Dakota School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stefan 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 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) |
| 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)Doctors and Clinicians Utilization Data (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 |
| 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. Stefan 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 Dr. Stefan Walter Johnson's NPI number?
Dr. Stefan Walter Johnson's NPI number is 1932338613. It was assigned on July 2, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Stefan Walter Johnson?
Dr. Stefan Walter Johnson is a general surgeon in Grand Forks, North Dakota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Stefan Walter Johnson practice?
Dr. Johnson practices at 1200 S Columbia Rd, Grand Forks, ND 58201. Dr. Johnson's primary practice is Altru Hospital in Grand Forks, North Dakota, part of Altru Health System. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Stefan Walter Johnson's office phone number?
The practice phone on file for Dr. Johnson is (701) 780-5000.
What is Dr. Stefan Walter Johnson's medical license number?
Dr. Johnson holds North Dakota license 13356, one of the licenses on file in 2 states.
Which states has Dr. Stefan Walter Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in North Dakota and Minnesota.
Which hospitals is Dr. Stefan Walter Johnson affiliated with?
Dr. Johnson practices at Altru Hospital in Grand Forks, North Dakota.
What medical group is Dr. Stefan Walter Johnson part of?
Dr. Johnson is linked to Altru Health System.
Does Dr. Stefan Walter Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 102 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Stefan Walter Johnson see?
CMS counts 123 Medicare patients who saw Dr. Johnson in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Stefan Walter Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and surgery: digestive system (45385).
Where did Dr. Stefan Walter Johnson go to medical school?
Dr. Johnson graduated from University of North Dakota School of Medicine in 2009.
What drugs does Dr. Stefan Walter Johnson prescribe most?
In 2022 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Gavilyte-G.
Has Dr. Stefan Walter Johnson received payments from drug or device companies?
CMS Open Payments shows $13,122 in general payments to Dr. Johnson from 3 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Stefan Walter Johnson been practicing?
Dr. Johnson graduated from medical school in 2009, 17 years ago.
Does Dr. Stefan Walter Johnson do research?
Dmand AI links 3 publications to Dr. Johnson, published from 2020 to 2025.
Who does Dr. Stefan Walter Johnson publish with?
Dr. Johnson's most frequent co-authors are Robert P. Sticca, MD (3 shared papers) and Kayla Jo Burchill, MD (1 shared paper).
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