Quick answers
- Does Kathryn A. Sinn accept Medicare assignment?
- Yes. Medicare's clinician data says Kathryn A. Sinn 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 Kathryn A. Sinn see?
- In 2024, CMS data shows 124 Original Medicare patients and 654 services for Kathryn A. Sinn. This counts Original Medicare only and measures volume, not quality.
- What is Kathryn A. Sinn's NPI number?
- 1205673282. 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 Kathryn A. Sinn, 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 | 124 |
|---|---|
| Services billed to Medicare | 654 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Injection, ceftriaxone sodium, per 250 mg (J0696)145 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)67 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)52 services
- X-ray of chest, 2 views (71046)50 services
- Injection of drug or substance under skin or into muscle (96372)47 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 cholesterol75%
- High blood pressure67%
- Arthritis49%
- Anxiety27%
- Depression24%
- Diabetes21%
Practice locations
Addresses where Kathryn A. Sinn is enrolled with Medicare (CMS data updated October 2, 2026).
- 1929 University AveOxford, MS 38655 (662) 236‑2232
Group practices
Medicare enrollment lists Kathryn A. Sinn as a member of this group (CMS data updated October 2, 2026).
- Oxford After Hours Clinic, LLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Oxford
Clinicians with the same Medicare primary specialty in Oxford, MS — not a recommendation.
Other clinicians in Oxford After Hours Clinic, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | University Of Mississippi School Of Medicine |
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205673282 |
| 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