Quick answers
- Which hospitals does Nathaniel S. Treister work at?
- Medicare's official clinician data lists Nathaniel S. Treister at 4 hospitals: Beth Israel Deaconess Medical Center, Brigham and Women's Hospital, Mary Hitchcock Memorial Hospital and Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathaniel S. Treister see patients?
- Medicare's clinician data lists 4 practice locations, including Lebanon, NH, Boston, MA and Weymouth, MA. Call before your visit to confirm the address.
- What is Nathaniel S. Treister's specialty?
- Medicare lists Dentist as the primary specialty.
- Does Nathaniel S. Treister accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel S. Treister 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 Nathaniel S. Treister offer telehealth?
- Medicare's clinician data says Nathaniel S. Treister offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nathaniel S. Treister?
- (603) 650-5000, as listed in official Medicare / NPI Registry data.
- What is Nathaniel S. Treister's NPI number?
- 1306819388. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathaniel S. Treister works
Medicare's Facility Affiliation Data lists Nathaniel S. Treister at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · CCN 220086
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · CCN 300003
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
Practice locations
Addresses where Nathaniel S. Treister is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Medical Ctr DrLebanon, NH 03756 (603) 650‑5000
- 450 Brookline AveBoston, MA 02215 (617) 632‑3586
- 51 Performance DrWeymouth, MA 02189 (781) 534‑7700
- 75 Francis StBoston, MA 02115 (617) 732‑5500
Group practices
Medicare enrollment lists Nathaniel S. Treister as a member of these groups (CMS data updated 2026-10-02).
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- Dartmouth-Hitchcock Clinic1,472 clinicians in the group
- Mary Hitchcock Memorial Hospital1,280 clinicians in the group
- Dana-Farber Cancer Institute, Inc.684 clinicians in the group
- Brigham and Womens Hospital Inc52 clinicians in the group
Specialties
- Dentistprimary
Clinician information
| Credential | DDS |
|---|---|
| Medical school | Univ Of Pennsylvania School Of Dental Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306819388 |
| 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