Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK R JOHNSTON DPM
NPI 1912973058
Podiatrist in Willmar, MN

Q: What is Mark Johnston's NPI number?

The NPI number for Mark Johnston is 1912973058. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Q: What is Mark Johnston's specialty?

The primary specialty registered for this NPI is Podiatrist with taxonomy code 213E00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Johnston was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 28, 2006PECOS Enrolled

101 WILLMAR AVE SW, WILLMAR, MN 56201(320) 231-5000(320) 231-5067 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Mark R Johnston Dpm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK R JOHNSTON DPM (NPI 1912973058) is an individual podiatrist in Willmar, Minnesota, licensed in Minnesota (546) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Centracare- Rice Memorial Hospital, and is a graduate of Other (1980).

NPPES Registry Identity

NPI1912973058

Entity TypeIndividualMale

Primary Taxonomy213E00000X

Provider Legal NameDR. MARK R JOHNSTONCredential: DPM

Location Address101 WILLMAR AVE SWWillmar, MN 56201

Mailing Address101 Willmar Ave SwWillmar, MN 56201 · (320) 231-5000 · Fax (320) 231-5067

Phone(320) 231-5000

Fax(320) 231-5067

Sole ProprietorNo

Medical School CMSOtherGraduated 1980

Enumeration DateFebruary 28, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1912973058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatristPodiatric Medicine & Surgery Service Providers

Taxonomy Code213E00000X

License✔ Licensed in MN · 546

Definition

A podiatrist is a person qualified by a Doctor of Podiatric Medicine (D.P.M.) degree, licensed by the state, and practicing within the scope of that license. Podiatrists diagnose and treat foot diseases and deformities. They perform medical, surgical and other operative procedures, prescribe corrective devices and prescribe and administer drugs and physical therapy.

101 WILLMAR AVE SW, Willmar, MN 56201

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark R Johnston Dpm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527109354

PECOS Enrollment IDI20091230000566

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of fingernails or toenails, 6 or more nails 11721

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

341 services184 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

314 services165 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

157 services121 patients

Trimming of dystrophic nails, any number G0127

Trimming of dystrophic nails involves the careful cutting and shaping of thickened or deformed nails. This is often required when nails are affected by conditions such as fungus or psoriasis. The procedure helps to reduce discomfort and improve nail health.

113 services61 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

104 services104 patients

Removal of fingernails or toenails, 1-5 nails 11720

This procedure involves the careful removal of 1-5 nails from fingers or toes. It's typically done to treat conditions like ingrown nails, fungal infections, or damaged nails. Local anesthesia is used for comfort, and the area heals over time with appropriate care.

88 services60 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

54 services54 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

50 services13 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

48 services21 patients

Removal of noncancer thickened skin growth, 2-4 growths 11056

This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.

43 services23 patients

Trimming of fingernails or toenails 11719

Trimming of fingernails or toenails is a simple procedure for maintaining hygiene and preventing nail-related issues. It involves cutting the nails straight across, then smoothing any sharp edges with a file. Regular nail care can help prevent infections and discomfort.

39 services18 patients

Removal of noncancer thickened skin growth, 1 growth 11055

This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.

37 services25 patients

Removal of tissue from wound, 20.0 sq cm or less 97597

This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.

22 services16 patients

Aspiration and/or injection of fluid from small joint 20600

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

16 services12 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

16 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Centracare- Rice Memorial Hospital

Acute Care Hospitals · Willmar, MN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number240088

Location301 Becker Ave SWWillmar, MN 56201 · Kandiyohi County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$69.74 typical visit price

range $18.32 – $138.04

Typical copayment $17.43 (range $4.58 – $34.51)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. AMBER ERIN JOHNSON WHNP

Nurse Practitioner