Quick answers
- Which hospitals does William M. Demarchi work at?
- Medicare's official clinician data lists William M. Demarchi at 1 hospital: Wakemed, Raleigh Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William M. Demarchi see patients?
- Medicare's clinician data lists 2 practice locations, including Boca Raton, FL and Charlotte, NC. Call before your visit to confirm the address.
- What is William M. Demarchi's specialty?
- Medicare lists General Practice as the primary specialty.
- Does William M. Demarchi accept Medicare assignment?
- Medicare's clinician data says William M. Demarchi may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does William M. Demarchi offer telehealth?
- Medicare's clinician data says William M. Demarchi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William M. Demarchi?
- (631) 759-9920, as listed in official Medicare / NPI Registry data.
- What is William M. Demarchi's NPI number?
- 1659353100. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William M. Demarchi works
Medicare's Facility Affiliation Data lists William M. Demarchi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wakemed, Raleigh CampusRaleigh, NC · Acute Care Hospital · CCN 340069
Practice locations
Addresses where William M. Demarchi is enrolled with Medicare (CMS data updated 2026-10-02).
- 21067 Powerline Rd, Suite 57Boca Raton, FL 33433 (631) 759‑9920
- 620 Tom Hunter RdCharlotte, NC 28213 (704) 231‑4571
Group practices
Medicare enrollment lists William M. Demarchi as a member of these groups (CMS data updated 2026-10-02).
- Post Acute Clinical Services PLLC19 clinicians in the group
- SG Medical Professional PC18 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in Boca Raton
Clinicians with the same Medicare primary specialty in Boca Raton, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659353100 |
| 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 2026-10-02, retrieved 2026-10-29
- 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