Quick answers
- Does Aleta Greathouse accept Medicare assignment?
- Yes. Medicare's clinician data says Aleta Greathouse 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 Aleta Greathouse see?
- In 2024, CMS data shows 161 Original Medicare patients and 702 services for Aleta Greathouse. This counts Original Medicare only and measures volume, not quality.
- What is Aleta Greathouse's NPI number?
- 1427084136. 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 Aleta Greathouse, 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 | 161 |
|---|---|
| Services billed to Medicare | 702 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)227 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)127 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)75 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)67 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)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 blood pressure75%
- High cholesterol75%
- Chronic kidney disease75%
- Diabetes66%
- Ischemic heart disease65%
- Heart failure54%
Hospitals where Aleta Greathouse works
Medicare's Facility Affiliation Data lists Aleta Greathouse 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.
- Freeman Health System - Freeman WestJoplin, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260137
- Freeman Neosho HospitalNeosho, MO · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 261331
- INTEGRIS Grove HospitalGrove, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370113
Practice locations
Addresses where Aleta Greathouse is enrolled with Medicare (CMS data updated October 2, 2026).
- 1101 E 13th StGrove, OK 74344 (417) 347‑3649
- 1102 W 32 StJoplin, MO 64804 (417) 347‑1111
- 2510 N Main StMiami, OK 74354 (417) 347‑8310
Group practices
Medicare enrollment lists Aleta Greathouse as a member of this group (CMS data updated October 2, 2026).
- Freeman-Oak Hill Health System394 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Other clinicians in Freeman-Oak Hill Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427084136 |
| 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