Provider Profile
Listed in the NPI registry as a nurse practitioner, Carol D. Marsh, RN-CNP practices in Duluth, MN. Medicare claims data shows Carol provided 31 services to 31 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1001 E SUPERIOR ST STE, L201
Duluth, MN 55802
31 services · 31 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
11 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Carol D. Marsh is a nurse practitioner in Duluth, MN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Carol D. Marsh is listed at 1001 E Superior St Ste, L201, Duluth, MN 55802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (218) 249-3057. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Carol D. Marsh's National Provider Identifier is 1750332177. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Carol D. Marsh attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Carol D. Marsh has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Carol D. Marsh provides treatments such as exercise or drug-induced heart stress test with electrocardiogram with supervision by physician, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Carol D. Marsh. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.