Ross William Perko, M.D.
Pediatric Hematology & Oncology Physician · Duluth, MN
Ross William Perko, M.D. is a pediatric hematology & oncology physician with a practice address in Duluth, Minnesota, and NPI 1093986176, issued on Mar 17, 2008. Check the license (Minnesota 56403, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Ross William Perko
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 56403 MN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Mar 17, 2008
- Record last updated
- May 8, 2025
- Medicaid IDs
- 1093986176 MI
1093986176 MN
1093986176 WI - Medicare enrollment
- Enrolled (PECOS I20130802000392); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2007
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 77 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Aas, MDHospitalist Physician1063455848
- Amina Adil, MDCardiovascular Disease Physician1336482314
- Rahul Aggarwal, M.D.Pediatric Critical Care Medicine Physician1336198332
- Olubisi Akinseloyin, MDHospitalist Physician1619309010
- Glenn Albin, M.DCardiovascular Disease Physician1902851116
- David AlexanderDiagnostic Radiology Physician1932135936
Verify Ross William Perko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 56403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average pediatric hematology & oncology physician in 2024
25 Medicare Part D claims, against an average of 94 among the 300 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Oxycodone Hcl14 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.
Bills Medicare through one group practice
- The Duluth Clinic LtdDuluth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ross William Perko among 77 pediatric hematology & oncology physician records in Minnesota
Ross William Perko, M.D. is one of 77 pediatric hematology & oncology physician records with a practice address in Minnesota. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2007 · median 2010 among the 38 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Minnesota
There are 77 pediatric hematology & oncology physician records in Minnesota.
All 77 in Minnesota → Every provider in Duluth → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Justin Kirkham, MD, PHDDuluth, MN 558051477085074
- Andrea Watson, MDDuluth, MN 558051508052887
- Jacquelyn WiermaaDuluth, MN 558051366477929
- Wendy Allen-Rhoades, M.D.Rochester, MN 559051700045655
- Carola Arndt, M.D.Rochester, MN 559051619941010
- Kelly Bailey, MD, PHDRochester, MN 559051457672941
- Richard Bram, M.D.Rochester, MN 559051689648107
- Paul Galardy, M.D.Rochester, MN 559051457447807
Common questions
What is Ross William Perko, M.D.'s NPI number?
Ross William Perko, M.D.'s National Provider Identifier (NPI) is 1093986176, issued on Mar 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ross William Perko, M.D. located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Ross William Perko, M.D.'s license?
NPPES lists Minnesota license number 56403, 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 Ross William Perko, M.D. prescribe under Medicare Part D?
In 2024, Ross William Perko, M.D. had 25 Medicare Part D claims; the average among pediatric hematology & oncology physician prescribers was 94. 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.