Quick answers
- Does Kersey L. Winfree accept Medicare assignment?
- Yes. Medicare's clinician data says Kersey L. Winfree 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 Kersey L. Winfree see?
- In 2024, CMS data shows 40 Original Medicare patients and 269 services for Kersey L. Winfree. This counts Original Medicare only and measures volume, not quality.
- What is Kersey L. Winfree's NPI number?
- 1326079583. 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 Kersey L. Winfree, 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 | 269 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)80 services
- Insertion of needle into vein for collection of blood sample (36415)73 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)19 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)19 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 cholesterol73%
- Arthritis48%
- Ischemic heart disease48%
- Anxiety35%
- Diabetes30%
Hospitals where Kersey L. Winfree works
Medicare's Facility Affiliation Data lists Kersey L. Winfree 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.
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370093
- SSM Health St Anthony Hospital - Oklahoma CityOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370037
Practice locations
Addresses where Kersey L. Winfree is enrolled with Medicare (CMS data updated October 2, 2026).
- 608 NW 9th StOklahoma City, OK 73102
Group practices
Medicare enrollment lists Kersey L. Winfree as a member of this group (CMS data updated October 2, 2026).
- Saints Medical Group, LLC435 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Other clinicians in Saints Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326079583 |
| 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