Quick answers
- Does Karey A. Gleason accept Medicare assignment?
- Yes. Medicare's clinician data says Karey A. Gleason 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 Karey A. Gleason see?
- In 2024, CMS data shows 122 Original Medicare patients and 175 services for Karey A. Gleason. This counts Original Medicare only and measures volume, not quality.
- What is Karey A. Gleason's NPI number?
- 1407392442. 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 Karey A. Gleason, 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 | 122 |
|---|---|
| Services billed to Medicare | 175 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Anesthesia for lens surgery (00142)86 services
- Anesthesia for other x-ray on vein or lymph system (01930)27 services
- Anesthesia for x-ray exam of arteries and veins using contrast (01916)26 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%
- Diabetes48%
- Arthritis46%
- Chronic kidney disease45%
- Ischemic heart disease39%
Hospitals where Karey A. Gleason works
Medicare's Facility Affiliation Data lists Karey A. Gleason 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.
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 520037
Practice locations
Addresses where Karey A. Gleason is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 2600 W University Dr, Suite 100McKinney, TX 75071 (972) 548‑2015
- 2719 Virginia PkwyMcKinney, TX 75071 (469) 625‑2500
- 3901 W 15th StPlano, TX 75075 (469) 607‑2276
- 3920 W Wheatland Rd, Suite 108Dallas, TX 75237 (713) 575‑3686
Group practices
Medicare enrollment lists Karey A. Gleason as a member of these groups (CMS data updated October 2, 2026).
- MCHS Hospitals Inc1,197 clinicians in the group
- NTX Anesthesiology Consultants PLLC120 clinicians in the group
- Illume Anesthesia PLLC15 clinicians in the group
- Trident Anesthesia LLC5 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Other clinicians in MCHS Hospitals Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407392442 |
| 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