Quick answers
- Does Zachary T. Westrick accept Medicare assignment?
- Medicare's clinician data says Zachary T. Westrick may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Zachary T. Westrick see?
- In 2024, CMS data shows 16 Original Medicare patients and 188 services for Zachary T. Westrick. This counts Original Medicare only and measures volume, not quality.
- What is Zachary T. Westrick's NPI number?
- 1366625204. 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 Zachary T. Westrick, 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 | 16 |
|---|---|
| Services billed to Medicare | 188 |
| Different services or procedures | 1 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Chiropractic manipulative treatment, 1-2 spinal regions (98940)188 services
Practice locations
Addresses where Zachary T. Westrick is enrolled with Medicare (CMS data updated October 2, 2026).
- 575 Donofrio Dr, Suite 102Madison, WI 53719 (608) 841‑1566
Specialties
- Chiropracticprimary
Other chiropractors in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| School | Northwestern College Of Chiropractic |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1366625204 |
| 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