NPPES file of Aug 9, 2026

Mark Walter Kaczor, MD

Neonatal-Perinatal Medicine Physician · Rochester, MN

Mark Walter Kaczor, MD is a neonatal-perinatal medicine physician with a practice address in Rochester, Minnesota, and NPI 1497319065, issued on Apr 29, 2019. Check the license (Minnesota 67759, as entered in NPPES) on the Minnesota Board of Medical Practice; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1497319065
Name
Mark Walter Kaczor
Credential
MD
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License numbers
67759 MN
30258 MN
13525-320 WI
Self-reported in NPPES; status is on the state search
Practice location
200 1St St SW, Rochester, MN 55905
Phone
(507) 284-0702
Enumerated
Apr 29, 2019
Record last updated
Aug 11, 2025
Medicare enrollment
Enrolled (PECOS I20250620000464); may accept Medicare assignment
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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8 nearest neonatal-perinatal medicine physician records → All 110 in Minnesota → Look up another NPI →

Also registered at 200 1St St SW

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

  1. Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
  2. Christopher Aakre, MDInternal Medicine Physician1508151663
  3. Kathryn Aaro, P.T.Physical Therapist1619360666
  4. Danielle Aase, MDReproductive Endocrinology Physician1316524135
  5. Uzoamaka Abajue, PHARMDPharmacist1982335295
  6. Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246

Verify Mark Walter Kaczor 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 67759    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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Mark Walter Kaczor among 110 neonatal-perinatal medicine physician records in Minnesota

Mark Walter Kaczor, MD is one of 110 neonatal-perinatal medicine physician records with a practice address in Minnesota. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 93% of them.

  • NPI issued2019 · 93% of these records are older, 4% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 5% of these records are
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Minnesota

There are 110 neonatal-perinatal medicine physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 110 in Minnesota → Every provider in Rochester → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Garth Asay, M.D.Rochester, MN 559051972576122
  2. Ellen Bendel-Stenzel, M.D.Rochester, MN 559051609815927
  3. Jane Brumbaugh, MDRochester, MN 559051619002458
  4. William Carey, M.D.Rochester, MN 559051194748616
  5. Christopher Colby, M.D.Rochester, MN 559051427037977
  6. Christopher Collura, MDRochester, MN 559051548467426
  7. Jennifer Fang, M.D.Rochester, MN 559051538122171
  8. Robert Johnson, M.D.Rochester, MN 559051699745158

Common questions

What is Mark Walter Kaczor, MD's NPI number?

Mark Walter Kaczor, MD's National Provider Identifier (NPI) is 1497319065, issued on Apr 29, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mark Walter Kaczor, MD located?

The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-0702. Providers update this record themselves, so call before visiting.

How can I verify Mark Walter Kaczor, MD's license?

NPPES lists Minnesota license number 67759, 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.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.