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MARISSA AMIDON DNP, FNP-BC
NPI 1043039738
Nurse Practitioner in Iowa City, IA

Active since October 09, 2024PECOS EnrolledAccepts Medicare Assignment
201 S CLINTON ST STE 168, IOWA CITY, IA 52240(319) 384-0520(319) 467-8105 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marissa Amidon Dnp, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA AMIDON DNP, FNP-BC (NPI 1043039738) is an individual nurse practitioner in Iowa City, Iowa, licensed in Iowa (A181740) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, is affiliated with Genesis Medical Center-davenport, and maintains 9 additional practice locations.

NPPES Registry Identity

NPI1043039738
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARISSA AMIDONCredential: DNP, FNP-BC
Location Address201 S CLINTON ST STE 168Iowa City, IA 52240-4034
Mailing Address200 Hawkins DrIowa City, IA 52242-1009
Phone(319) 384-0520
Fax(319) 467-8105
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2024
Enumeration DateOctober 9, 2024
Last NPPES UpdateOctober 24, 2025
NPPES CertifiedOctober 24, 2025
✔ NPI 1043039738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IA · A181740
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
201 S CLINTON ST STE 168, Iowa City, IA 52240
Open in Google Maps ↗

Secondary Practice Locations 9

Location 1720 Pacha Pkwy ste 1NORTH LIBERTY, IA 52317-4797 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 22591 Holiday RdCoralville, IA 52241-3039 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 31632 Sycamore StIowa City, IA 52240-6044 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 43640 Middlebury RdIowa City, IA 52245-2712 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 5767 Mormon Trek BlvdIowa City, IA 52246-1812 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 6411 10th St SE Ste 2300Cedar Rapids, IA 52403-2467 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 71227 E Rusholme StDavenport, IA 52803-2459 · Phone (563) 421-1000
Location 8865 Lincoln Rd Ste 400Bettendorf, IA 52722-4159 · Phone (319) 384-0520 · Fax (319) 467-8105
Location 92705 E 53rd StDavenport, IA 52807-3008 · Phone (319) 384-0520 · Fax (319) 467-8105

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Amidon Dnp, Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789119694
PECOS Enrollment IDI20241129000345
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Marissa Amidon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

State University Of Iowa
0.1 mi
Clinical
600 BLANK HONORS CENTER, THE UNIVERSITY OF IOWA
Iowa City, IA 52242
  • Reassigned Medicare billing, Iowa enrollment
  • 2,190 clinicians in this Medicare group
NPI 1598736241 (319) 335-6148
Vituity-Iowa PLLC
51 mi
Emergency Medicine
1227 E RUSHOLME ST
Davenport, IA 52803
  • Reassigned Medicare billing, Iowa enrollment
  • 53 clinicians in this Medicare group
NPI 1437932928 (563) 421-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Genesis Medical Center-Davenport

Acute Care Hospitals · Davenport, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160033
Location1227 East Rusholme StreetDavenport, IA 52803 · Scott County
Emergency services Birthing friendly

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number160058
Location200 Hawkins DriveIowa City, IA 52242 · Johnson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIFFANY TALLEY
Nurse Practitioner (Family)
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-0520
JESSICA GONZALES
Nurse Practitioner (Family)
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-0520
MELISSA LEIGH OLTHOFF PA-C
Physician Assistant (Medical)
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 678-7329
KIMBERLY JEAN GREGORICH ARNP
Nurse Practitioner (Family)
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-8822
DR. BRANDON WILLIAM ABEL DNP
Nurse Practitioner (Family)
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-0520
NICOLE GABRIELLE CONNELLY ARNP
Nurse Practitioner
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-0520
ASHLEY DUNN PA
Physician Assistant
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-0520
PAIGE C LARION
Physician Assistant
201 S CLINTON ST STE 168
IOWA CITY, IA 52240
Johnson County (319) 384-0520

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Amidon's NPI number?

The NPI number for Marissa Amidon is 1043039738. It was assigned to this individual provider in the NPPES registry on October 9, 2024.

Where is Marissa Amidon located?

Marissa Amidon practices at 201 S Clinton St Ste 168, Iowa City, IA 52240. The listed phone number is (319) 384-0520.

What is Marissa Amidon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Marissa Amidon enrolled in Medicare?

Yes. Marissa Amidon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marissa Amidon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Amidon reassigns Medicare benefits to 2 organizations: State University Of Iowa (Iowa City, IA) and Vituity-Iowa PLLC (Davenport, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Amidon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marissa Amidon accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 2 other insurers list Marissa Amidon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marissa Amidon affiliated with any hospitals?

According to CMS data, Marissa Amidon is affiliated with Genesis Medical Center-Davenport and University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Marissa Amidon was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.