Quick answers
- Where does John V. Demaio see patients?
- Medicare's clinician data lists 1 practice location in Odenton, MD. Call before your visit to confirm the address.
- What is John V. Demaio's specialty?
- Medicare lists Chiropractic as the primary specialty, and also Physical Medicine and Rehabilitation.
- Does John V. Demaio accept Medicare assignment?
- Yes. Medicare's clinician data says John V. Demaio accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John V. Demaio?
- (410) 672-2437, as listed in official Medicare / NPI Registry data.
- What is John V. Demaio's NPI number?
- 1356486450. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John V. Demaio is enrolled with Medicare (CMS data updated 2026-10-02).
- 1413 Annapolis RdOdenton, MD 21113 (410) 672‑2437
Specialties
Other chiropractors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | New York Chiropractic College |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356486450 |
| 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 2026-10-02, retrieved 2026-10-29
- 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