Quick answers
- Which hospitals does William M. Jackson work at?
- Medicare's official clinician data lists William M. Jackson at 5 hospitals: AdventHealth Orlando, CHRISTUS Good Shepherd Medical Center, CHRISTUS Santa Rosa Hospital-San Marcos, CHRISTUS St Michael Health System and Mease Countryside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William M. Jackson see patients?
- Medicare's clinician data lists 23 practice locations, including West Islip, NY, Rockville Center, NY and Cypress, TX. Call before your visit to confirm the address.
- What is William M. Jackson's specialty?
- Medicare lists Neurology as the primary specialty.
- Does William M. Jackson accept Medicare assignment?
- Yes. Medicare's clinician data says William M. Jackson 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.
- Does William M. Jackson offer telehealth?
- Medicare's clinician data says William M. Jackson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William M. Jackson?
- (631) 376-3000, as listed in official Medicare / NPI Registry data.
- What is William M. Jackson's NPI number?
- 1649706474. 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. Jackson works
Medicare's Facility Affiliation Data lists William M. Jackson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth OrlandoOrlando, FL · Acute Care Hospital · CCN 100007
- CHRISTUS Good Shepherd Medical CenterLongview, TX · Acute Care Hospital · CCN 450032
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · CCN 450272
- CHRISTUS St Michael Health SystemTexarkana, TX · Acute Care Hospital · CCN 450801
- Mease Countryside HospitalSafety Harbor, FL · Acute Care Hospital · CCN 100265
Practice locations
Addresses where William M. Jackson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 23; the Medicare profile lists all.
- 1000 Montauk HwyWest Islip, NY 11795 · Good Samaritan Hospital Medical Center (631) 376‑3000
- 1000 N Village AveRockville Center, NY 11570 · Mercy Medical Center (516) 705‑3428
- 10910 Laguna Mesa DrCypress, TX 77433 · Virtual Neurology Texas PLLC (239) 208‑2212
- 11190 Health Park BlvdNaples, FL 34110 (239) 552‑7000
- 1138 Country Club BlvdCape Coral, FL 33990 (239) 424‑1900
Group practices
Medicare enrollment lists William M. Jackson as a member of these groups (CMS data updated 2026-10-02).
- Lee Health System Inc1,428 clinicians in the group
- Legacy Clinics LLC713 clinicians in the group
- Kettering Independent Medical Group Inc710 clinicians in the group
- NCHMD Inc510 clinicians in the group
- Piedmont Hospitalist Physicians LLC508 clinicians in the group
- Meritas Health Corporation502 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649706474 |
| 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