Dr. Michael Gwynne Johnston, MD
- Medicare services, 2023
- 18
- Publications
- 6
- Hospital affiliations
- 1
- Industry payments
- $14,856
- Medical groups
- 2
- Practice address
- 4050 Coon Rapids Blvd, Coon Rapids, MN 55433
- Practice phone
- Call (762) 236-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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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. Michael Gwynne Johnston is a general surgeon in Minneapolis, Minnesota
Dr. Johnston practices at Mercy Hospital in Coon Rapids, Minnesota, part of Sutter Health.
Dr. Johnston's NPI, 1275515652, was assigned on November 19, 2005. Dr. Johnston graduated from Vanderbilt University School of Medicine in 2003. Dr. Johnston holds Virginia license 0101236832.
- NPI
- 1275515652NPI Registry (opens in a new tab)
- NPI enumeration date
- November 19, 2005
- NPI status
- Active
- Practice phone
- (762) 236-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Gwynne Johnston practices at Mercy Hospital in Coon Rapids, Minnesota
Dr. Johnston's primary practice is Mercy Hospital, at 4050 Coon Rapids Blvd, Coon Rapids, MN 55433 in Anoka County. The practice phone is (762) 236-6000.
- Mercy Hospital4050 Coon Rapids Blvd, Coon Rapids, MN 55433 · Anoka CountyPhone(762) 236-6000
Source: Dmand AI Affiliation Data
Dr. Michael Gwynne Johnston is affiliated with 1 site of care and 2 medical groups
Dr. Johnston's primary practice is Mercy Hospital in Coon Rapids, Minnesota, part of Sutter Health. The medical group on file is Sentara Medical Group. Dmand AI also links Dr. Johnston to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Gwynne Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Gwynne Johnston is one of 616 general surgeons in Minnesota
Surgery is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Johnston is licensed in Virginia.
Specialties and state licenses
- Surgery, VirginiaPrimary
General surgeons near Dr. Johnston
Counts of general surgeons 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. Michael Gwynne Johnston billed Medicare for 18 services in 2023
CMS data shows 18 Medicare services from Dr. Johnston across 1 procedure code in 2023. Medicare paid $693 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnston's Medicare services by type, 2018 to 2023
- 2018
- 2023
- Office and hospital visits
- 2018: 412023: 1856%
Dr. Johnston compared with the Minnesota median for general surgeons, 2023
- Dr. Johnston
- Minnesota median
- Medicare services
- 18vs 8479% below
Medians across 549 general surgeons in Minnesota with Dmand AI profiles that report each measure.
Dr. Johnston's most billed Medicare procedure codes, 2023
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. Johnston and other general surgeons in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Gwynne Johnston's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 54, with 38% women.
Dr. Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
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Dr. Michael Gwynne Johnston has 6 publications on record
Dmand AI links 6 papers to Dr. Johnston, published from 2010 to 2023. The most frequent topics are Magnetic Resonance Imaging. Dr. Johnston has published most often in Am Surg. Dr. Johnston's most frequent co-authors are Jared Lee Antevil, MD, Jacob Henry Cole, MBA, MD, MPH and Jason Glenn Daily, MD.
Dr. Johnston's papers by year, 2010 to 2023
Topics Dr. Johnston writes about most
- Magnetic Resonance Imaging
Dr. Johnston's most frequent co-authors
- Jared Lee Antevil, MD1 shared paper
- Jacob Henry Cole, MBA, MD, MPH1 shared paper
- Jason Glenn Daily, MD1 shared paper
Recent publications by Dr. Johnston
Gynecol Endocrinol
See who Dr. Johnston researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnston 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. Michael Gwynne Johnston received $14,856 in industry payments from 2024 to 2025
CMS Open Payments shows 33 general payments to Dr. Johnston from 3 drug and device companies from 2024 to 2025. Education make up the largest share, 47% of the total. Intuitive Surgical, Inc. paid the most, $11,638.
General payments to Dr. Johnston by program year, 2024 to 2025
General payments to Dr. Johnston by kind, 2024 to 2025
- Education$7,00047%
- Travel and lodging$6,28542%
- Food and beverage$1,57211%
Companies that paid Dr. Johnston the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Gwynne Johnston graduated from Vanderbilt University School of Medicine
Dr. Johnston graduated from Vanderbilt University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Gwynne Johnston'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 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 Dr. Michael Gwynne Johnston
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. Michael Gwynne Johnston's NPI number?
Dr. Michael Gwynne Johnston's NPI number is 1275515652. It was assigned on November 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Gwynne Johnston?
Dr. Michael Gwynne Johnston is a general surgeon in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael Gwynne Johnston practice?
Dr. Johnston practices at 4050 Coon Rapids Blvd, Coon Rapids, MN 55433. Dr. Johnston's primary practice is Mercy Hospital in Coon Rapids, Minnesota, part of Sutter Health. Dmand AI also links Dr. Johnston to 1 medical group.
What is Dr. Michael Gwynne Johnston's office phone number?
The practice phone on file for Dr. Johnston is (762) 236-6000.
What is Dr. Michael Gwynne Johnston's medical license number?
Dr. Johnston holds Virginia license 0101236832.
Which hospitals is Dr. Michael Gwynne Johnston affiliated with?
Dr. Johnston practices at Mercy Hospital in Coon Rapids, Minnesota.
What medical group is Dr. Michael Gwynne Johnston part of?
Dr. Johnston is linked to Sentara Medical Group. Dmand AI links Dr. Johnston to 1 more medical group.
Does Dr. Michael Gwynne Johnston accept Medicare?
Yes. CMS data shows Dr. Johnston billed Medicare for 18 services in 2023.
What services does Dr. Michael Gwynne Johnston bill to Medicare?
In 2023, Dr. Johnston's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Michael Gwynne Johnston go to medical school?
Dr. Johnston graduated from Vanderbilt University School of Medicine in 2003.
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Has Dr. Michael Gwynne Johnston received payments from drug or device companies?
CMS Open Payments shows $14,856 in general payments to Dr. Johnston from 3 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michael Gwynne Johnston been practicing?
Dr. Johnston graduated from medical school in 2003, 23 years ago.
Does Dr. Michael Gwynne Johnston do research?
Dmand AI links 6 publications to Dr. Johnston, published from 2010 to 2023.
Who does Dr. Michael Gwynne Johnston publish with?
Dr. Johnston's most frequent co-authors are Jared Lee Antevil, MD (1 shared paper), Jacob Henry Cole, MBA, MD, MPH (1 shared paper) and Jason Glenn Daily, MD (1 shared paper).
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