John Kolstoe, MD
NPI 1124043229 · Rheumatology Physician · Bemidji, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kolstoe, MD is a Rheumatology Physician provider in Bemidji, MN (NPI 1124043229).
Provider details
- NPI number
- 1124043229
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 29139 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
626 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 227 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $86 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 106 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 75 | $171 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 32 | $57 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 353 | 132 |
| Ipratropium Bromide | 347 | 130 |
| Tizanidine Hcl | 329 | 120 |
| Prednisone | 245 | 66 |
| Cyclobenzaprine Hcl | 139 | 50 |
| Spironolactone | 115 | 31 |
| Omeprazole | 112 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,872 across 125 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1401 E Lansing DrSuite 108East Lansing, MI 48823-7787Phone: (517) 351-9386Fax: (517) 351-9388
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2021-06-22
- Certified
- 2021-06-22
Frequently asked questions
- What is John Kolstoe's NPI number?
- John Kolstoe's National Provider Identifier (NPI) is 1124043229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kolstoe's specialty?
- John Kolstoe is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is John Kolstoe located?
- John Kolstoe's practice location on file with NPPES is 1300 Anne St Nw, Bemidji, MN 56601-5103.
- What is John Kolstoe's phone number?
- The practice phone number listed in the NPPES registry for John Kolstoe is (218) 333-6000.
- Does John Kolstoe accept Medicare?
- John Kolstoe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kolstoe's NPI active?
- Yes — John Kolstoe's NPI (1124043229) is active in the NPPES registry as of the last update on 2021-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.