Quick answers
- Does Gregory L. Barnhill accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory L. Barnhill 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 Gregory L. Barnhill see?
- In 2024, CMS data shows 299 Original Medicare patients and 1,542 services for Gregory L. Barnhill. This counts Original Medicare only and measures volume, not quality.
- What is Gregory L. Barnhill's NPI number?
- 1053385021. 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 Gregory L. Barnhill, 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 | 299 |
|---|---|
| Services billed to Medicare | 1,542 |
| Different services or procedures | 62 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)640 services
- Aspiration and/or injection of fluid from large joint (20610)207 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)204 services
- X-ray of knee, 1-2 views (73560)89 services
- X-ray of hip, 2-3 views (73502)43 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%
- Arthritis75%
- High cholesterol71%
- Ischemic heart disease30%
- Diabetes28%
- Depression27%
Hospitals where Gregory L. Barnhill works
Medicare's Facility Affiliation Data lists Gregory L. Barnhill 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.
- Cameron Regional Medical CenterCameron, MO · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 260057
- Harrison County Community HospitalBethany, MO · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 261312
- Hedrick Medical CenterChillicothe, MO · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 261321
- NKC HealthNorth Kansas City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260096
Practice locations
Addresses where Gregory L. Barnhill is enrolled with Medicare (CMS data updated October 2, 2026).
- 1500 State StLexington, MO 64067 (660) 259‑2203
- 2790 Clay Edwards Dr, Suite 650North Kansas City, MO 64116
- 2790 Clay Edwards Dr, Suite 650N Kansas City, MO 64116 (816) 459‑7500
Group practices
Medicare enrollment lists Gregory L. Barnhill as a member of these groups (CMS data updated October 2, 2026).
- Midwest Division - LRHC LLC48 clinicians in the group
- Orthopedic Surgeons PA27 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Midwest Division - LRHC LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | R Franklin University Of Med & Sci/chicago Medical School |
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053385021 |
| 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