Quick answers
- Does Karina A. Atwell accept Medicare assignment?
- Yes. Medicare's clinician data says Karina A. Atwell 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 Karina A. Atwell see?
- In 2024, CMS data shows 182 Original Medicare patients and 1,022 services for Karina A. Atwell. This counts Original Medicare only and measures volume, not quality.
- What is Karina A. Atwell's NPI number?
- 1124311717. 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 Karina A. Atwell, 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 | 182 |
|---|---|
| Services billed to Medicare | 1,022 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent 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)134 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)122 services
- Insertion of needle into vein for collection of blood sample (36415)104 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)62 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)57 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 pressure70%
- High cholesterol51%
- Arthritis36%
- Depression28%
- Diabetes27%
- Anxiety27%
Hospitals where Karina A. Atwell works
Medicare's Facility Affiliation Data lists Karina A. Atwell 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.
- UnityPoint Health - MeriterMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520089
- University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520098
Practice locations
Addresses where Karina A. Atwell is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1 S Park StMadison, WI 53715 (608) 287‑2000
- 100 N Nine Mound RdVerona, WI 53593
- 1050 E BroadwayMonona, WI 53716 (608) 222‑8779
- 1121 Bellwest BlvdBelleville, WI 53508
- 2418 Brewery RdCross Plains, WI 53528 (608) 798‑3344
Group practices
Medicare enrollment lists Karina A. Atwell as a member of this group (CMS data updated October 2, 2026).
- University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Other clinicians in University of Wisconsin Medical Foundation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124311717 |
| 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