Quick answers
- Does Leslie R. Waltman Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Leslie R. Waltman Iii 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 Leslie R. Waltman Iii see?
- In 2024, CMS data shows 230 Original Medicare patients and 267 services for Leslie R. Waltman Iii. This counts Original Medicare only and measures volume, not quality.
- What is Leslie R. Waltman Iii's NPI number?
- 1790053569. 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 Leslie R. Waltman Iii, 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 | 230 |
|---|---|
| Services billed to Medicare | 267 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for exam of colon using an endoscope (00812)27 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)26 services
- Anesthesia for lens surgery (00142)25 services
- Anesthesia for procedure to correct abnormal heart rhythm (00410)17 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)14 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%
- Arthritis51%
- Ischemic heart disease36%
- COPD30%
- Atrial fibrillation30%
Hospitals where Leslie R. Waltman Iii works
Medicare's Facility Affiliation Data lists Leslie R. Waltman Iii 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.
- Lake Regional Health SystemOsage Beach, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260186
Practice locations
Addresses where Leslie R. Waltman Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 54 Hospital DrOsage Beach, MO 65065 (573) 348‑8000
Group practices
Medicare enrollment lists Leslie R. Waltman Iii as a member of this group (CMS data updated October 2, 2026).
- Lake Ozark Anesthesia and Associates, Inc22 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Missouri →
Other nurse anesthetists in Osage Beach
Clinicians with the same Medicare primary specialty in Osage Beach, MO — not a recommendation.
Other clinicians in Lake Ozark Anesthesia and Associates, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | University Of Alabama School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790053569 |
| 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