Quick answers
- Does Marissa Huettman accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa Huettman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marissa Huettman see?
- In 2024, CMS data shows 54 Original Medicare patients and 1,291 services for Marissa Huettman. This counts Original Medicare only and measures volume, not quality.
- What is Marissa Huettman's NPI number?
- 1386396398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marissa Huettman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 54 |
|---|---|
| Services billed to Medicare | 1,291 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)14 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol72%
- High blood pressure52%
- Arthritis48%
- Osteoporosis31%
- Anxiety30%
- Depression22%
Hospitals where Marissa Huettman works
Medicare's Facility Affiliation Data lists Marissa Huettman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Genesis Health System dba Genesis MDL Center-IlliniSilvis, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140275
- Genesis Medical Center-DavenportDavenport, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160033
Practice locations
Addresses where Marissa Huettman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1228 E Rusholme St, Suite 1100Davenport, IA 52803 (563) 355‑1000
- 865 Lincoln Rd, Suite 100Bettendorf, IA 52722 (888) 700‑7842
Group practices
Medicare enrollment lists Marissa Huettman as a member of this group (CMS data updated October 2, 2026).
- Genesis Health System224 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Davenport
Clinicians with the same Medicare primary specialty in Davenport, IA — not a recommendation.
Other clinicians in Genesis Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Duke University School Of Medicine |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386396398 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians