Dr. Walter S. Johnson, MD
- Medicare services, 2020
- 792
- Part D claims, 2021
- 2,179
- Industry payments
- $200
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 1702 University Dr S, Fargo, ND 58103-4940
- Practice phone
- Call (701) 364-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Essentia Health South University Clinic
Multi-specialty group site · Fargo, North Dakota
Find Dr. 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.
Dr. Walter S. Johnson is an internist in Fargo, North Dakota
Dr. Johnson practices at Essentia Health South University Clinic in Fargo, North Dakota.
Dr. Johnson's NPI, 1124043468, was assigned on July 13, 2006. Dr. Johnson holds North Dakota license 4262.
- NPI
- 1124043468NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Practice phone
- (701) 364-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Walter S. Johnson practices at 2 locations in Fargo, North Dakota
Dr. Johnson's primary practice is Essentia Health South University Clinic, at 1702 University Dr S, Fargo, ND 58103-4940. The practice phone is (701) 364-8900. The NPI Registry lists Dr. Johnson's practice address as 3000 32nd S Ave, Fargo, ND 58103.
- Essentia Health South University ClinicPrimary1702 University Dr S, Fargo, ND 58103-4940Phone(701) 364-8900
- NPI Registry address3000 32nd S Ave, Fargo, ND 58103 · Cass CountyPhone(701) 364-3300
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Walter S. Johnson is affiliated with 2 sites of care and 2 medical groups
Dr. Johnson's primary practice is Essentia Health South University Clinic in Fargo, North Dakota. The medical group on file is Essentia Health-Fargo. Dmand AI also links Dr. Johnson to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Walter S. 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 |
|---|---|
| Essentia Health South University Clinic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Walter S. Johnson is one of 193 internists in North Dakota
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in North Dakota.
Specialties and state licenses
- Internal medicine, North DakotaPrimary
Internists near Dr. Johnson
Counts of internists 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. Walter S. Johnson billed Medicare for 792 services in 2020
CMS data shows 792 Medicare services from Dr. Johnson across 7 procedure codes in 2020. Medicare paid $58,838 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 8512020: 53537%
- Other services
- 2019: 3852020: 24337%
- Tests and treatments
- 2019: 232020: 1439%
Dr. Johnson compared with the North Dakota median for internists, 2020
- Dr. Johnson
- North Dakota median
- Medicare services
- 792vs 44678% above
- Part D claims
- 2,179vs 2319.4 times
Medians across 192 internists in North Dakota with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2020
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other internists in North Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Walter S. Johnson's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 74, with 45% women.
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 74
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Walter S. Johnson wrote 2,179 Medicare Part D claims in 2021
In 2021, Dr. Johnson wrote 2,179 Medicare Part D claims. They cover 51 drugs, with $68,485 in total drug cost. In 2020, CMS named 7,720 claims across 105 drugs.
Dr. Johnson's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 7,7202021: 2,17972%
Drugs named by CMS: 51 in 2021, 105 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Walter S. Johnson received $200 in industry payments from 2016 to 2025
CMS Open Payments shows 2 general payments to Dr. Johnson from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $147.
General payments to Dr. Johnson by program year, 2016 to 2025
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Walter S. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Walter S. 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. Walter S. Johnson's NPI number?
Dr. Walter S. Johnson's NPI number is 1124043468. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Walter S. Johnson?
Dr. Walter S. Johnson is an internist in Fargo, North Dakota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Walter S. Johnson practice?
Dr. Johnson practices at 1702 University Dr S, Fargo, ND 58103-4940. Dr. Johnson also practices at 3000 32nd S Ave, Fargo, ND 58103. Dr. Johnson's primary practice is Essentia Health South University Clinic in Fargo, North Dakota. Dmand AI also links Dr. Johnson to 1 group practice or clinic and 1 medical group.
What is Dr. Walter S. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (701) 364-8900.
What is Dr. Walter S. Johnson's medical license number?
Dr. Johnson holds North Dakota license 4262.
What medical group is Dr. Walter S. Johnson part of?
Dr. Johnson is linked to Essentia Health-Fargo. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Walter S. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 792 services in 2020.
What services does Dr. Walter S. Johnson bill to Medicare?
In 2020, Dr. Johnson's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).
What drugs does Dr. Walter S. Johnson prescribe most?
In 2021 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Walter S. Johnson received payments from drug or device companies?
CMS Open Payments shows $200 in general payments to Dr. Johnson from 2 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Walter S. Johnson been practicing?
Dr. Johnson's NPI was assigned in 2006.
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