Mark Wiita, APRN, CNP
Nurse Practitioner · Duluth, MN
Mark Wiita, APRN, CNP is a nurse practitioner with a practice address in Duluth, Minnesota, and NPI 1457739179, issued on May 14, 2015. Check the license (Minnesota 3981, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Wiita
- Credential
- APRN, CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 3981 MN
R210059-7 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1001 E Superior St Ste L401, Duluth, MN 55802
- Phone
- (218) 249-7960
- Enumerated
- May 14, 2015
- Record last updated
- Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (218) 249-7997
- Medicare enrollment
- Enrolled (PECOS I20150813011152); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,582 in Minnesota → Look up another NPI →
Also registered at 1001 E Superior St Ste L401
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Wiita in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 3981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average nurse practitioner in 2024
3,101 Medicare Part D claims for 406 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Ozempic260 claims
- Levothyroxine Sodium256 claims
- Metformin Hcl Er194 claims
- Mounjaro180 claims
- Lantus Solostar166 claims
- Trulicity82 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: $78.44
4 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- 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).
Mark Wiita among 2,582 nurse practitioner records in Minnesota
Mark Wiita, APRN, CNP is one of 2,582 nurse practitioner records with a practice address in Minnesota. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2017 among the 1,655 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 nurse practitioner records list a practice address in Duluth
They are 51 of the 4,084 NPPES records with a practice address in Duluth, and 2,582 nurse practitioner records in Minnesota.
All 2,582 in Minnesota → Every provider in Duluth → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Emily Abernethy, NPDuluth, MN 558021568089340
- Kathy Busick, APRN, CNPDuluth, MN 558021093190159
- Lisa Hughes, NPDuluth, MN 558021134230576
- Sherry Johnson, C-FNP, CNSDuluth, MN 558021154371789
- Kathryn Johnson, APRN, CNPDuluth, MN 558021649903006
- Carol Marsh, RN-CNPDuluth, MN 558021750332177
- Hayley Patel, NPDuluth, MN 558021396373932
- Katherine Pavlich, N.P.Duluth, MN 558021790211472
Common questions
What is Mark Wiita, APRN, CNP's NPI number?
Mark Wiita, APRN, CNP's National Provider Identifier (NPI) is 1457739179, issued on May 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mark Wiita, APRN, CNP located?
The NPPES record lists a practice address at 1001 E Superior St Ste L401, Duluth, MN, 55802. Phone: (218) 249-7960. Providers update this record themselves, so call before visiting.
How can I verify Mark Wiita, APRN, CNP's license?
NPPES lists Minnesota license number 3981, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Wiita, APRN, CNP prescribe under Medicare Part D?
In 2024, Mark Wiita, APRN, CNP had 3,101 Medicare Part D claims for 406 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.