NPPES file of Aug 9, 2026

Mary Alice Rantala

Family Nurse Practitioner · Duluth, MN

Mary Alice Rantala is a family nurse practitioner with a practice address in Duluth, Minnesota, and NPI 1720174881, issued on Oct 5, 2006. Check the license (Minnesota R144413-1, as entered in NPPES) with the Minnesota board that licenses this profession; 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
1720174881
Name
Mary Alice Rantala
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R144413-1 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
Oct 5, 2006
Record last updated
May 2, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140711001309); 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 400 E 3RD St

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

  1. Peter Aas, MDHospitalist Physician1063455848
  2. Amina Adil, MDCardiovascular Disease Physician1336482314
  3. Rahul Aggarwal, M.D.Pediatric Critical Care Medicine Physician1336198332
  4. Olubisi Akinseloyin, MDHospitalist Physician1619309010
  5. Glenn Albin, M.DCardiovascular Disease Physician1902851116
  6. David AlexanderDiagnostic Radiology Physician1932135936

Verify Mary Alice Rantala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license R144413-1
    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
Find the Minnesota license search

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91% fewer Medicare Part D claims than the average family nurse practitioner in 2024

120 Medicare Part D claims for 95 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mary Rantala120
  2. Specialty average1,305

Most prescribed

  1. Paxlovid19 claims
  2. Nitrofurantoin Mono-Macro14 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 2 group practices

  1. Innovis Health LLCFargo, ND
  2. The Duluth Clinic LtdDuluth, MN

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

Mary Alice Rantala among 3,335 family nurse practitioner records in Minnesota

Mary Alice Rantala is one of 3,335 family nurse practitioner records with a practice address in Minnesota. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 86% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2004 · median 2018 among the 1,909 with a school on file
  • Record last updated2011 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

163 family nurse practitioner records list a practice address in Duluth

They are 163 of the 4,084 NPPES records with a practice address in Duluth, and 3,335 family nurse practitioner records in Minnesota.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Deanna BakkenDuluth, MN 558051316982804
  2. Kelly BolfDuluth, MN 558051629004247
  3. Kathleen CampbellDuluth, MN 558051114954815
  4. Janet Cismoski Martens, RN, CNPDuluth, MN 558051215983325
  5. Janice Doe, RN, CNPDuluth, MN 558051194765974
  6. Susan Gray, RN, CNPDuluth, MN 558051609820943
  7. Jason Lenz, RN, CNPDuluth, MN 558051861478190
  8. Kathleen Madden, RN, CNPDuluth, MN 558051518946318

Common questions

What is Mary Alice Rantala's NPI number?

Mary Alice Rantala's National Provider Identifier (NPI) is 1720174881, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Alice Rantala 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 Mary Alice Rantala's license?

NPPES lists Minnesota license number R144413-1, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Alice Rantala prescribe under Medicare Part D?

In 2024, Mary Alice Rantala had 120 Medicare Part D claims for 95 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.