Carol D. Marsh, RN-CNP
Nurse Practitioner · Duluth, MN
Carol D. Marsh, RN-CNP is a nurse practitioner with a practice address in Duluth, Minnesota, and NPI 1750332177, issued on May 12, 2006. Check the license (Minnesota R084357-1, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carol D. Marsh
- Credential
- RN-CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R084357-1 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1001 E Superior St, Duluth, MN 55802
- Phone
- (218) 249-3057
- Enumerated
- May 12, 2006
- Record last updated
- Jan 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 084917100 MN
- Medicare enrollment
- Enrolled (PECOS I20100122000446); accepts Medicare assignment
- 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
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carol D. Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license R084357-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average nurse practitioner in 2024
189 Medicare Part D claims for 56 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Metoprolol Succinate48 claims
- Amlodipine Besylate21 claims
- Ezetimibe20 claims
- Atorvastatin Calcium17 claims
- Rosuvastatin Calcium17 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
- 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).
Carol D. Marsh among 2,582 nurse practitioner records in Minnesota
Carol D. Marsh, RN-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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 76% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2000 · 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
- Hayley Patel, NPDuluth, MN 558021396373932
- Katherine Pavlich, N.P.Duluth, MN 558021790211472
- Marin Peterson, CNPDuluth, MN 558021275211724
Common questions
What is Carol D. Marsh, RN-CNP's NPI number?
Carol D. Marsh, RN-CNP's National Provider Identifier (NPI) is 1750332177, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carol D. Marsh, RN-CNP located?
The NPPES record lists a practice address at 1001 E Superior St, Duluth, MN, 55802. Phone: (218) 249-3057. Providers update this record themselves, so call before visiting.
How can I verify Carol D. Marsh, RN-CNP's license?
NPPES lists Minnesota license number R084357-1, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Carol D. Marsh, RN-CNP prescribe under Medicare Part D?
In 2024, Carol D. Marsh, RN-CNP had 189 Medicare Part D claims for 56 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.