Provider Profile
Listed in the NPI registry as a nurse practitioner, Amber M. Demerath, NP practices in Neenah, WI. Medicare claims data shows Amber provided 40 services to 30 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and dialysis services, 4 or more physician visits per month (20 years or older).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
300 N COMMERCIAL ST # 300
Neenah, WI 54956
670 Cormier Rd
Green Bay, WI 54304
40 services · 30 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
12 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Amber M. Demerath is a nurse practitioner in Neenah, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Amber M. Demerath is listed at 300 N Commercial St # 300, Neenah, WI 54956. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (920) 886-0818. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Amber M. Demerath's National Provider Identifier is 1356072417. 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
Amber M. Demerath attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Amber M. Demerath has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Amber M. Demerath provides treatments such as dialysis services, 4 or more physician visits per month, 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 Amber M. Demerath. 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.