Provider Profile
Amber Marzen, ARNP
Unclaimed ProfileAbout Amber Marzen
Listed in the NPI registry as a nurse practitioner, Amber Marzen, ARNP practices in Sheffield, IA. Amber is also listed as specializing in nurse practitioner — family. Medicare claims data shows Amber provided 226 services to 139 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (641) 892-4495
- Email not available
Practice Locations
203 S 2ND ST
Sheffield, IA 50475
Procedures Most Often Billed to Medicare
226 services · 139 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
24 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
130 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
40 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
32 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Anticoagulant management of patient taking warfarin 8
Providers in IA who bill this service to Medicare most often.
Common questions
What kind of doctor is Amber Marzen?
Amber Marzen is a nurse practitioner in Sheffield, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Amber Marzen's address?
Amber Marzen is listed at 203 S 2Nd St, Sheffield, IA 50475. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Amber Marzen?
The number on file is (641) 892-4495. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Amber Marzen?
Amber Marzen's National Provider Identifier is 1902577331. 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
Where did Amber Marzen train?
Amber Marzen attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Amber Marzen have?
Amber Marzen has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Amber Marzen perform?
According to Medicare billing data, Amber Marzen provides treatments such as anticoagulant management of patient taking warfarin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Amber Marzen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Amber Marzen. 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.