Quick answers
- Does Katherine W. Guimarin accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine W. Guimarin 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 Katherine W. Guimarin see?
- In 2024, CMS data shows 236 Original Medicare patients and 389 services for Katherine W. Guimarin. This counts Original Medicare only and measures volume, not quality.
- What is Katherine W. Guimarin's NPI number?
- 1316696628. 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 Katherine W. Guimarin, 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 | 236 |
|---|---|
| Services billed to Medicare | 389 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)321 services
- Hospital discharge day management, more than 30 minutes (99239)17 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)15 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 pressure75%
- High cholesterol75%
- Arthritis72%
- Ischemic heart disease68%
- Diabetes58%
- Chronic kidney disease56%
Practice locations
Addresses where Katherine W. Guimarin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1490 Hwy 72 EHuntsville, AL 35811 (256) 428‑2615
- 5800 Oakwood Rd NW, Suite AHuntsville, AL 35806 (938) 259‑3010
- 7129 Wall Triana Hwy, Suite CMadison, AL 35757 (938) 310‑5010
Group practices
Medicare enrollment lists Katherine W. Guimarin as a member of these groups (CMS data updated October 2, 2026).
- Urgent Care Northwest PC41 clinicians in the group
- FM Clinic LLC3 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Huntsville
Clinicians with the same Medicare primary specialty in Huntsville, AL — not a recommendation.
Other clinicians in Urgent Care Northwest PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of Alabama School Of Medicine |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316696628 |
| 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
- 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