Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Amber Marzen, ARNP

Individual provider Family Nurse Practitioner · NPI 1902577331

Amber Marzen, ARNP is a Nurse Practitioner in Sheffield, Iowa. Qualified in 2021, 5 years ago. Practices with North Iowa Mercy Clinics, a 300-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
5
Licensed in
IA
In the registry since
2021
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

203 S 2nd St
Sheffield, IA 50475-5008
Phone: (641) 892-4495
Fax: (641) 892-4278
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence A165787 (IA)

Record details

NPI number1902577331
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorYes
NPI enumeratedSeptember 24, 2021
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025
Mailing address203 S 2nd St, Sheffield, IA 50475-5008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice North Iowa Mercy Clinics — 300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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