Mark R. Johnston, DPM

  • Saint Cloud, MN
  • Podiatrist
NPI1912973058PAC ID8527109354
Medicare patients, 2024
538
Part D claims, 2024
155
Hospital affiliations
1
Medical groups
2
State license
1
Practice address
1200 6th N Ave, Saint Cloud, MN 56303
Practice phone
Call (320) 231-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Centracare Clinic Southwest

Saint Cloud, Minnesota

See all 5 affiliations

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Mark R. Johnston is a podiatrist in Saint Cloud, Minnesota

Mark Johnston practices at Centracare Clinic Southwest in Saint Cloud, Minnesota.

Mark Johnston's NPI, 1912973058, was assigned on February 28, 2006. Mark Johnston holds Minnesota license 546.

NPI and contact details
Medicare PAC ID
8527109354
NPI enumeration date
February 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(320) 231-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Mark R. Johnston practices at Centracare Clinic Southwest in Saint Cloud, Minnesota

Mark Johnston's primary practice is Centracare Clinic Southwest, at 1200 6th N Ave, Saint Cloud, MN 56303 in Stearns County. The practice phone is (320) 231-5000.

  • Centracare Clinic Southwest
    1200 6th N Ave, Saint Cloud, MN 56303 · Stearns CountyPhone(320) 231-5000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mark R. Johnston is affiliated with 3 sites of care and 2 medical groups

Mark Johnston's primary practice is Centracare Clinic Southwest in Saint Cloud, Minnesota. Mark Johnston is also affiliated with CentraCare - Rice Memorial Hospital. The medical group on file is CentraCare Clinic. Dmand AI also links Mark Johnston to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Mark Johnston

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mark R. Johnston's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Johnston practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Centracare Clinic SouthwestAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark R. Johnston is one of 112 podiatrists in Minnesota

Podiatrist is Mark Johnston's primary specialty in the NPI Registry, under taxonomy code 213E00000X. Mark Johnston is licensed in Minnesota.

Specialties and state licenses

  • Podiatrist, MinnesotaPrimaryLicense 546 · taxonomy 213E00000X

Podiatrists near Mark Johnston

Counts of podiatrists with a Dmand AI profile, by place and practice. Each opens the list.

112podiatrists in Minnesota
3podiatrists in Saint Cloud

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mark R. Johnston treated 538 Medicare patients in 2024, average age 73

CMS counts 538 Medicare patients who saw Mark Johnston in 2024. The largest group is 75 to 84, with 177 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mark Johnston's median patient age at 63, with 58% women.

Medicare patients, 2024538
Average age73
Average risk score1.46
Also on Medicaid28%

Mark Johnston's Medicare patients by age, 2024

Mark Johnston's Medicare patients by sex, 2024

  • Women30857%
  • Men23043%

Chronic conditions among Mark Johnston's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol69%
  3. Arthritis43%
  4. Diabetes40%
  5. Chronic kidney disease32%
  6. Mood disorders30%
  7. Depression27%
  8. Anxiety25%

Share of Medicare patients with each condition. A patient can have several.

Mark 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 63

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mark R. Johnston wrote 155 Medicare Part D claims in 2024

In 2024, Mark Johnston wrote 155 Medicare Part D claims for 84 patients. 100% of them were for generic drugs.

Part D claims, 2024155
Part D patients84

Drug classes CMS tracks in Mark Johnston's Part D claims, 2024

  • Antibiotics26%41 of 155 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Mark R. Johnston ranks in the 82nd percentile for removal of nail tissue in Medicare

Mark Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 447 procedures of removal of nail tissue by Mark Johnston, more than 82% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Mark Johnston ranks in Medicare procedure volume

Removal of nail tissue
82nd percentile447 procedures
Removal or shaving of skin growth
80th percentile57 procedures
Removal of tissue
75th percentile34 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of skin lesions: 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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Sources for Mark R. Johnston's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mark R. 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 Mark R. Johnston's NPI number?

Mark R. Johnston's NPI number is 1912973058. It was assigned on February 28, 2006, and it is active in the NPI Registry.

What does Mark R. Johnston specialize in?

Mark R. Johnston is a podiatrist in Saint Cloud, Minnesota. The primary specialty in the NPI Registry is Podiatrist (taxonomy code 213E00000X).

Where does Mark R. Johnston practice?

Mark Johnston practices at 1200 6th N Ave, Saint Cloud, MN 56303. Mark Johnston's primary practice is Centracare Clinic Southwest in Saint Cloud, Minnesota. Dmand AI also links Mark Johnston to 1 group practice or clinic and 1 medical group.

What is Mark R. Johnston's office phone number?

The practice phone on file for Mark Johnston is (320) 231-5000.

What is Mark R. Johnston's medical license number?

Mark Johnston holds Minnesota license 546.

Which hospitals is Mark R. Johnston affiliated with?

Mark Johnston is affiliated with CentraCare - Rice Memorial Hospital.

What medical group is Mark R. Johnston part of?

Mark Johnston is linked to CentraCare Clinic. Dmand AI links Mark Johnston to 1 more medical group.

Does Mark R. Johnston accept Medicare?

Yes. CMS lists Mark Johnston as accepting Medicare assignment.

How many Medicare patients does Mark R. Johnston see?

CMS counts 538 Medicare patients who saw Mark Johnston in 2024, with an average age of 73.

How long has Mark R. Johnston been practicing?

Mark Johnston graduated from medical school in 1980, 46 years ago.

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