NPPES file of Aug 9, 2026

Nicholas Kahlert Johnson, M.D.

Urology Physician · Duluth, MN

Nicholas Kahlert Johnson, M.D. is a urology physician with a practice address in Duluth, Minnesota, and NPI 1184870404, issued on Aug 18, 2008. Check the license (Minnesota 55085, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184870404
Name
Nicholas Kahlert Johnson
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
55085 MN
Self-reported in NPPES; status is on the state search
Practice location
1001 E Superior St, Duluth, MN 55802
Phone
(218) 249-7980
Enumerated
Aug 18, 2008
Record last updated
Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(218) 249-7911
Medicare enrollment
Enrolled (PECOS I20120913000267); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1001 E Superior St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Homam Alkaied, MDHematology & Oncology Physician1952391716
  2. David Arvold, M.D.Internal Medicine Physician1790735504
  3. Judith Arvold, MDInternal Medicine Physician1033169495
  4. Nils Arvold, M.D.Radiation Oncology Physician1962607499
  5. Julia Baker, D.O.Hematology & Oncology Physician1518080886
  6. Johan Bakken, MDInfectious Disease Physician1366491789

Verify Nicholas Kahlert Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 55085
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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69% more Medicare Part D claims than the average urology physician in 2024

2,258 Medicare Part D claims for 562 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Nicholas Johnson2,258
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl659 claims
  2. Finasteride541 claims
  3. Myrbetriq146 claims
  4. Methenamine Hippurate107 claims
  5. Alfuzosin Hcl Er88 claims
  6. Ciprofloxacin Hcl87 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $125.47

1 payment: food and beverage; the largest payer was Biotissue Holdings Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Johnson$125.47
  2. Specialty average$3,800.04

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. St. Luke's Hospital OF DuluthDuluth, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Urology Physician providers in Minnesota

There are 293 urology physician records in Minnesota.

Other urology physician records in Minnesota

  1. Joseph Acquaye, MDMinneapolis, MN1477907186
  2. Mohamed Ahmed, M.B., B.CH.Rochester, MN1851986236
  3. Joseph Akornor, M.D.Fridley, MN1497731913
  4. Jacob Albersheim, MDSt Louis Park, MN1568950103
  5. Hossein Aliabadi, MDMinneapolis, MN1154366219
  6. James Anderson, MDMinneapolis, MN1093819153
  7. Katherine Anderson, M.D.Rochester, MN1952744526
  8. Stanley Antolak, M.D.Minneapolis, MN1881663169
  9. Ross Avant, M.D.Rochester, MN1801275128
  10. Emma Bacharach, MDEdina, MN1932603024

Common questions

What is Nicholas Kahlert Johnson, M.D.'s NPI number?

Nicholas Kahlert Johnson, M.D.'s National Provider Identifier (NPI) is 1184870404, issued on Aug 18, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Kahlert Johnson, M.D. located?

The NPPES record lists a practice address at 1001 E Superior St, Duluth, MN, 55802. Phone: (218) 249-7980. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Kahlert Johnson, M.D.'s license?

NPPES lists Minnesota license number 55085, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nicholas Kahlert Johnson, M.D. prescribe under Medicare Part D?

In 2024, Nicholas Kahlert Johnson, M.D. had 2,258 Medicare Part D claims for 562 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.