Quick answers
- Does Gregg R. Klosener accept Medicare assignment?
- Yes. Medicare's clinician data says Gregg R. Klosener 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 Gregg R. Klosener see?
- In 2024, CMS data shows 239 Original Medicare patients and 2,370 services for Gregg R. Klosener. This counts Original Medicare only and measures volume, not quality.
- What is Gregg R. Klosener's NPI number?
- 1225095920. 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 Gregg R. Klosener, 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 | 239 |
|---|---|
| Services billed to Medicare | 2,370 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)390 services
- Insertion of needle into vein for collection of blood sample (36415)237 services
- Blood test, comprehensive group of blood chemicals (80053)114 services
- Blood test, lipids (cholesterol and triglycerides) (80061)102 services
- Blood test, thyroid stimulating hormone (tsh) (84443)89 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%
- Arthritis42%
- Ischemic heart disease31%
- Anxiety30%
- Diabetes28%
Hospitals where Gregg R. Klosener works
Medicare's Facility Affiliation Data lists Gregg R. Klosener 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.
- Saint Luke's East HospitalLees Summit, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260216
- Saint Lukes North HospitalKansas City, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260062
- St Lukes Hospital of Kansas CityKansas City, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260138
Practice locations
Addresses where Gregg R. Klosener is enrolled with Medicare (CMS data updated October 2, 2026).
- 8880 NE 82nd TerKansas City, MO 64158 (816) 437‑8125
Group practices
Medicare enrollment lists Gregg R. Klosener as a member of this group (CMS data updated October 2, 2026).
- Saint Lukes Physician Group Inc1,237 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Kansas City
Clinicians with the same Medicare primary specialty in Kansas City, MO — not a recommendation.
Other clinicians in Saint Lukes Physician Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1225095920 |
| 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