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- 101 Willmar Ave Sw, Willmar, MN 56201
About Dr. Johnston
Mark R. Johnston, DPM practices podiatry in Willmar, MN. According to Medicare claims data, Mark cared for 889 Medicare patients across 1,442 services. The services billed most often include removal of fingernails or toenails, 6 or more nails, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1912973058.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (320) 231-5000
- Email not available
Practice Locations
101 WILLMAR AVE SW
Willmar, MN 56201
Conditions Commonly Evaluated or Treated
Within Podiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Bunions
- Diabetic foot ulcer
- Foot fungus
- Heel pain
- Ingrown toenails
Circulation
- Hypothermia And Frostbite At Work
Circulation & swelling
Deformities
- Charcot Foot
- Claw toe
- Extra bone in foot
- Mallet toe
- Overlapping toes
- Pump bump
Heel & foot pain
- Ball Of Foot Pain
- Heel Spurs
- Sesamoiditis
Injuries
- Foreign object in foot
- Stress Fracture In Foot
- Turf toe
Injuries & trauma
- Ankle fracture
- Ankle sprain
- Broken Foot
- Broken Toe
Joint pain
- Ankle arthritis
- Foot Arthritis
- Gout In Big Toe
Lumps & bumps
- Ganglion Cyst On Foot
- Plantar Fibroma
Nail conditions
- Black Toenail
- Thick Toenails
Nerve pain
- Burning Feet
- Numb toes
Nerve problems
Pain
- Foot cramps
- Outside of foot pain
- Top of foot pain
Pediatric foot problems
- Intoeding
- Sever's Disease
- Toe Walking In Children
Skin & nails
- Dyshidrotic eczema
- Melanoma under toenail
- Pitted keratolysis
- Smelly Feet
- Sweaty Feet
Skin conditions
- Corns And Calluses
- Cracked Heels
- Foot Blisters
- Warts
Structural foot problems
- Flat Feet
- High Arches
Tendon problems
- Achilles Tendon Pain
- Peroneal Tendonitis
- Posterior Tibial Tendonitis
Toe problems
- Hammertoe
- Stiff Big Toe
- Tailor's Bunion
Procedures & services
Ankle surgery
- Ankle Replacement
- Ankle arthroscopy
- Ankle fusion
- Ankle Ligament Surgery
Bracing & immobilization
- Ankle Brace Fitting
- Cast Or Boot Fitting
Cosmetic
- Foot fillers for ball of foot
- Toenail restoration
Diagnostic
- Foot MRI
- Foot skin biopsy
- Toenail biopsy
Foot surgery
- Big Toe Fusion
- Big Toe Joint Replacement
- Bone Spur Removal Foot
- Flat Foot Reconstruction
- Foot Fracture Pinning
- Ganglion Cyst Removal Foot
- Hammertoe Surgery
- Morton's Neuroma Surgery
- Plantar Fascia Release
- Plantar Fibroma Removal
- Tarsal Tunnel Release
Imaging & diagnostics
- Foot Ultrasound
- Foot X-Ray
- Gait analysis
Non-surgical pain relief
- Tenex Procedure For Tendon Pain
- Shockwave Therapy
Pain relief
- Foot nerve ablation
Procedures
- Foot cyst aspiration
- Foreign object removal from foot
- Swift wart treatment
Routine & preventive care
- Corn And Callus Trimming
- Diabetic Foot Care
- Diabetic Shoe Fitting
- Routine Podiatric Nail Trimming
Surgery
- Claw toe surgery
- Lapiplasty
- Minimally invasive bunion surgery
- Plantar plate repair
- Pump bump surgery
- Sesamoid removal
- Subtalar arthroereisis
- Toe lengthening surgery
- Tailor's Bunion Surgery
Wound care
- Hyperbaric Oxygen For Foot Wounds
- Skin Graft For Foot Ulcer
- Wound Debridement For Foot Ulcer
Most searched procedures
- Bunion surgery
- Custom orthotics
- Foot wart removal
- Heel pain treatment
- Ingrown toenail removal
Injections
- Alcohol Injections For Neuroma
- Amniotic injection for foot pain
- Botox for sweaty feet
- Cortisone Shot In Foot
- PRP Therapy For Foot
Nail procedures
- Laser Toenail Fungus Treatment
- Toenail Removal
Tendon procedures
- Achilles tendon repair
Procedures Most Often Billed to Medicare
1,442 services · 889 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
341 | As often as other peers in Podiatry |
| Removal of fingernails or toenails, 1-5 nails | Procedure | 11720 |
88 | As often as other peers in Podiatry |
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
43 | Less often than most peers in Podiatry |
| Trimming of fingernails or toenails | Procedure | 11719 |
39 | Less often than most peers in Podiatry |
| Removal of noncancer thickened skin growth, 1 growth | Procedure | 11055 |
37 | Less often than most peers in Podiatry |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
16 | Less often than most peers in Podiatry |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
48 | As often as other peers in Podiatry |
| Removal of tissue from wound, 20.0 sq cm or less | Treatment | 97597 |
22 | Less often than most peers in Podiatry |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
50 | As often as other peers in Podiatry |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
314 | More often than most peers in Podiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other podiatry specialists in Willmar 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1980 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of fingernails or toenails, 6 or more nails 8
Providers in MN who bill this service to Medicare most often.
Common questions
What is Dr. Johnston's specialty?
Dr. Johnston is a podiatry in Willmar, MN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Johnston?
Dr. Johnston is listed at 101 Willmar Ave Sw, Willmar, MN 56201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Johnston?
The number on file is (320) 231-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Johnston's NPI number?
Dr. Johnston's National Provider Identifier is 1912973058. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Johnston's medical education?
Dr. Johnston attended Other, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnston been practicing?
Dr. Johnston has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Johnston known for?
According to Medicare billing data, Dr. Johnston performs procedures including removal of fingernails or toenails, 6 or more nails, removal of fingernails or toenails, 1-5 nails and removal of noncancer thickened skin growth, 2-4 growths; reads or performs imaging such as x-ray of foot, minimum of 3 views; provides treatments such as removal of tissue from wound, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnston confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnston. If this is you, claiming it is free.
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