NPPES file of Aug 9, 2026

Kenneth Wing Merrell, MD

Radiation Oncology Physician · Rochester, MN

Kenneth Wing Merrell, MD is a radiation oncology physician with a practice address in Rochester, Minnesota, and NPI 1952693293, issued on May 4, 2011. Check the license (Minnesota 55712, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952693293
Name
Kenneth Wing Merrell
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
55712 MN
106342 MN
Self-reported in NPPES; status is on the state search
Practice location
200 1St St SW, Rochester, MN 55905
Phone
(507) 284-2511
Enumerated
May 4, 2011
Record last updated
Aug 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120911000252); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2011
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 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 Kenneth Wing Merrell 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 55712
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Mayo ClinicRochester, MN

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

Kenneth Wing Merrell among 160 radiation oncology physician records in Minnesota

Kenneth Wing Merrell, MD is one of 160 radiation oncology physician records with a practice address in Minnesota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.

  • NPI issued2011 · 53% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2011 · median 2011 among the 119 with a school on file
  • Record last updated2020 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Minnesota

There are 160 radiation oncology physician records in Minnesota.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Paul Brown, M.D.Rochester, MN 559051861479156
  2. Chunhee Choo, M.D.Rochester, MN 559051114905353
  3. Robert Foote, M.D.Rochester, MN 559051043299506
  4. Yolanda Garces, M.D.Rochester, MN 559051871571653
  5. Michael Haddock, M.D.Rochester, MN 559051518943307
  6. Timothy Kozelsky, M.D.Rochester, MN 559051790762128
  7. Nadia Laack, M.D.Rochester, MN 559051710966999
  8. James Leenstra, M.D.Rochester, MN 559051174593982

Common questions

What is Kenneth Wing Merrell, MD's NPI number?

Kenneth Wing Merrell, MD's National Provider Identifier (NPI) is 1952693293, issued on May 4, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Wing Merrell, MD located?

The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Wing Merrell, MD's license?

NPPES lists Minnesota license number 55712, 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. 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.