Quick answers
- Does Charles S. Harriman accept Medicare assignment?
- Yes. Medicare's clinician data says Charles S. Harriman 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 Charles S. Harriman see?
- In 2024, CMS data shows 102 Original Medicare patients and 329 services for Charles S. Harriman. This counts Original Medicare only and measures volume, not quality.
- What is Charles S. Harriman's NPI number?
- 1033221353. 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 Charles S. Harriman, 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 | 102 |
|---|---|
| Services billed to Medicare | 329 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 64 |
Most frequent services
- Blood test, comprehensive group of blood chemicals (80053)82 services
- Hemoglobin a1c level (83036)77 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)48 services
- Blood test, lipids (cholesterol and triglycerides) (80061)33 services
- Blood test, thyroid stimulating hormone (tsh) (84443)31 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 pressure66%
- High cholesterol51%
- Diabetes43%
- Arthritis35%
- Anxiety31%
- Depression27%
Hospitals where Charles S. Harriman works
Medicare's Facility Affiliation Data lists Charles S. Harriman 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.
- Mercy Hospital LebanonLebanon, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260059
Practice locations
Addresses where Charles S. Harriman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1166 Banning StMarshfield, MO 65706 (417) 859‑2400
- 860 Lynn StLebanon, MO 65536 (417) 334‑8337
Group practices
Medicare enrollment lists Charles S. Harriman as a member of this group (CMS data updated October 2, 2026).
- Advocates for a Healthy Community Inc57 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Advocates for a Healthy Community Inc
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 | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033221353 |
| 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