Quick answers
- Does Carissa M. Spain accept Medicare assignment?
- Yes. Medicare's clinician data says Carissa M. Spain 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 Carissa M. Spain see?
- In 2024, CMS data shows 138 Original Medicare patients and 1,900 services for Carissa M. Spain. This counts Original Medicare only and measures volume, not quality.
- What is Carissa M. Spain's NPI number?
- 1053656116. 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 Carissa M. Spain, 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 | 138 |
|---|---|
| Services billed to Medicare | 1,900 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)145 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)91 services
- Insertion of needle into vein for collection of blood sample (36415)62 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)48 services
- Blood test, comprehensive group of blood chemicals (80053)41 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 blood pressure72%
- High cholesterol72%
- Arthritis38%
- Osteoporosis30%
- Diabetes25%
- Chronic kidney disease20%
Hospitals where Carissa M. Spain works
Medicare's Facility Affiliation Data lists Carissa M. Spain 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 Medical Center-DavenportDavenport, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160033
- MercyOne Genesis Dewitt Medical CenterDewitt, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161313
- Trinity - BettendorfBettendorf, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160104
- Trinity Rock IslandRock Island, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140280
- University of Iowa Hospital & ClinicsIowa City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160058
Practice locations
Addresses where Carissa M. Spain is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Hawkins DrIowa City, IA 52242
- 865 Lincoln Rd, Suite 500Bettendorf, IA 52722 (563) 344‑2250
Group practices
Medicare enrollment lists Carissa M. Spain as a member of this group (CMS data updated October 2, 2026).
- State University of Iowa1,897 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Iowa City
Clinicians with the same Medicare primary specialty in Iowa City, IA — not a recommendation.
Other clinicians in State University of Iowa
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053656116 |
| 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