Quick answers
- Does Lisa R. Warrington accept Medicare assignment?
- Yes. Medicare's clinician data says Lisa R. Warrington 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 Lisa R. Warrington see?
- In 2024, CMS data shows 148 Original Medicare patients and 293 services for Lisa R. Warrington. This counts Original Medicare only and measures volume, not quality.
- What is Lisa R. Warrington's NPI number?
- 1245703099. 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 Lisa R. Warrington, 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 | 148 |
|---|---|
| Services billed to Medicare | 293 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)72 services
- Automated urinalysis test (81003)48 services
- Detection test by nucleic acid for multiple types influenza virus (87502)40 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)38 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)32 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 cholesterol71%
- Arthritis53%
- Ischemic heart disease31%
- Diabetes30%
- Depression28%
Practice locations
Addresses where Lisa R. Warrington is enrolled with Medicare (CMS data updated October 2, 2026).
- 411 W 3rd St, Xpress Wellness Urgent CareElk City, OK 73644 (580) 303‑9293
- 411 W Grand Ave, Xpress Wellness Urgent CareChickasha, OK 73018 (405) 224‑0053
- 4510 NW 39th StOklahoma City, OK 73122 (405) 495‑5841
Group practices
Medicare enrollment lists Lisa R. Warrington as a member of these groups (CMS data updated October 2, 2026).
- Williams Medical Group Practice LLC218 clinicians in the group
- Advance Physicians Group23 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Elk City
Clinicians with the same Medicare primary specialty in Elk City, OK — not a recommendation.
Other clinicians in Williams Medical Group Practice LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245703099 |
| 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