Doctor profile · Federal record

Dr. Amber Demerath, NP

Nurse Practitioner · Neenah, WI

  • NPI 1356072417
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 N Commercial St # 300
Neenah, WI 549562619
(920) 886-0818
Additional location
670 Cormier RD
Green Bay, WI 543044824
(920) 496-4700
Mailing address
529 van St
Neenah, WI 549562468

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
April 23, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Wisconsin #11954-33

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356072417. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
3
Medicare allowed
$6,546
HCPCS Description Services Patients Avg allowed
90935 Hemodialysis procedure with physician evaluation 23 13 $57
99214 Established patient office or other outpatient visit, 30-39 minutes 20 17 $102
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 14 12 $228

In context: peer comparison

Among 20 peers in this city , average services per provider: 290. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,733
Transactions
54
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 16 $716.72
Ardelyx, Inc. 3 $140.26
Novartis Pharmaceuticals Corporation 7 $134.54
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $116.47
Fresenius USA Marketing, Inc. 5 $87.23
Otsuka America Pharmaceutical, Inc. 4 $85.71
Alnylam Pharmaceuticals Inc. 1 $75.00
CALLIDITAS THERAPEUTICS US INC. 3 $54.32
GENZYME CORPORATION 1 $47.13
Novo Nordisk Inc 2 $42.25
Lilly USA, LLC 2 $41.72
Mallinckrodt Hospital Products Inc. 2 $41.03
Ultragenyx Pharmaceutical Inc. 2 $35.61
Aurinia Pharma U.S., Inc. 2 $35.41
GlaxoSmithKline, LLC. 2 $33.87

By nature of payment

Food and Beverage
$1,733

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
522
Patients
141
Total drug cost
$144,082
Drug Type Claims Patients Total cost
Calcitriol Generic 170 56 $3,926
Furosemide Generic 57 19 $429
Amlodipine Besylate Generic 45 13 $294
Auryxia (Ferric Citrate) Brand 44 0 $91,150
Doxazosin Mesylate Generic 35 12 $956
Hydralazine Hcl Generic 35 16 $435
Sevelamer Carbonate Generic 35 12 $11,631
Potassium Chloride Generic 30 0 $906
Calcium Acetate Generic 29 13 $3,771
Lisinopril Generic 17 0 $95

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amber Demerath's medical specialty?
Dr. Amber Demerath practices Nurse Practitioner in Neenah, WI.
Where does Dr. Amber Demerath practice?
Dr. Amber Demerath practices at 300 N Commercial St # 300, Neenah, WI 549562619. Office phone: 9208860818.
What is Dr. Amber Demerath's NPI?
Dr. Amber Demerath's National Provider Identifier (NPI) is 1356072417, issued by NPPES.
Does Dr. Amber Demerath accept Medicare assignment?
Yes. Dr. Amber Demerath accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amber Demerath commonly perform?
Top Medicare-reported procedures in 2023: Hemodialysis procedure with physician evaluation (HCPCS 90935); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.