Quick answers
- Does Karissa R. Knox accept Medicare assignment?
- Yes. Medicare's clinician data says Karissa R. Knox 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 Karissa R. Knox see?
- In 2024, CMS data shows 40 Original Medicare patients and 48 services for Karissa R. Knox. This counts Original Medicare only and measures volume, not quality.
- What is Karissa R. Knox's NPI number?
- 1396429197. 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 Karissa R. Knox, 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 | 40 |
|---|---|
| Services billed to Medicare | 48 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
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%
- Chronic kidney disease65%
- Ischemic heart disease60%
- Arthritis55%
- Diabetes43%
Hospitals where Karissa R. Knox works
Medicare's Facility Affiliation Data lists Karissa R. Knox 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.
- Tampa General HospitalTampa, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100128
Practice locations
Addresses where Karissa R. Knox is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Tampa General CirTampa, FL 33606 (813) 844‑4396
Group practices
Medicare enrollment lists Karissa R. Knox as a member of this group (CMS data updated October 2, 2026).
- Gulf-To-Bay Anesthesiology Associates LLC351 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Florida →
Other nurse anesthetists in Tampa
Clinicians with the same Medicare primary specialty in Tampa, FL — not a recommendation.
Other clinicians in Gulf-To-Bay Anesthesiology Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396429197 |
| 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