Quick answers
- Which hospitals does Jonathan W. Sixon work at?
- Medicare's official clinician data lists Jonathan W. Sixon at 2 hospitals: Southern NH Medical Center and St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan W. Sixon see patients?
- Medicare's clinician data lists 1 practice location in Milford, NH. Call before your visit to confirm the address.
- What is Jonathan W. Sixon's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Jonathan W. Sixon accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan W. Sixon 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 Jonathan W. Sixon offer telehealth?
- Medicare's clinician data says Jonathan W. Sixon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jonathan W. Sixon?
- (603) 673-3014, as listed in official Medicare / NPI Registry data.
- What is Jonathan W. Sixon's NPI number?
- 1114027570. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan W. Sixon works
Medicare's Facility Affiliation Data lists Jonathan W. Sixon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Southern NH Medical CenterNashua, NH · Acute Care Hospital · CCN 300020
- St Joseph HospitalNashua, NH · Acute Care Hospital · CCN 300011
Practice locations
Addresses where Jonathan W. Sixon is enrolled with Medicare (CMS data updated 2026-10-02).
- 444 Nashua StMilford, NH 03055 (603) 673‑3014
Group practices
Medicare enrollment lists Jonathan W. Sixon as a member of this group (CMS data updated 2026-10-02).
- St. Joseph Hospital of Nashua NH273 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Milford
Clinicians with the same Medicare primary specialty in Milford, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114027570 |
| 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