Quick answers
- Does Willam J. Demio Iv accept Medicare assignment?
- Medicare's clinician data says Willam J. Demio Iv may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Willam J. Demio Iv see?
- In 2024, CMS data shows 54 Original Medicare patients and 794 services for Willam J. Demio Iv. This counts Original Medicare only and measures volume, not quality.
- What is Willam J. Demio Iv's NPI number?
- 1538253398. 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 Willam J. Demio Iv, 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 | 54 |
|---|---|
| Services billed to Medicare | 794 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Chiropractic manipulative treatment, 3-4 spinal regions (98941)762 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 cholesterol75%
- High blood pressure72%
- Arthritis61%
- Ischemic heart disease41%
- Diabetes30%
- Anxiety30%
Practice locations
Addresses where Willam J. Demio Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1037 Preakness AveWayne, NJ 07470
Specialties
- Chiropracticprimary
Other chiropractors in Wayne
Clinicians with the same Medicare primary specialty in Wayne, NJ — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Chiropractic college | Palmer College Chiropractic - Davenport |
| Graduation year | 2001 (25 years since chiropractic college) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1538253398 |
| 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