Quick answers
- Does Charlotte B. Clark Neitzel accept Medicare assignment?
- Yes. Medicare's clinician data says Charlotte B. Clark Neitzel 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 Charlotte B. Clark Neitzel see?
- In 2024, CMS data shows 29 Original Medicare patients and 53 services for Charlotte B. Clark Neitzel. This counts Original Medicare only and measures volume, not quality.
- What is Charlotte B. Clark Neitzel's NPI number?
- 1144372525. 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 Charlotte B. Clark Neitzel, 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 | 29 |
|---|---|
| Services billed to Medicare | 53 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Most frequent services
- Hemoglobin a1c level (83036)40 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 cholesterol59%
- Diabetes52%
Practice locations
Addresses where Charlotte B. Clark Neitzel is enrolled with Medicare (CMS data updated October 2, 2026).
- 2428 W Reynolds Ave, Valley View Health Center CascadeCentralia, WA 98531 (360) 330‑9595
- 3775 Martin E Way A, Valley View Health CenterOlympia, WA 98506 (360) 236‑7166
Group practices
Medicare enrollment lists Charlotte B. Clark Neitzel as a member of this group (CMS data updated October 2, 2026).
- Lewis County Community Health Services32 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Centralia
Clinicians with the same Medicare primary specialty in Centralia, WA — not a recommendation.
Other clinicians in Lewis County Community Health Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144372525 |
| 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
- 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