Quick answers
- Which hospitals does Eric H. Twerdahl work at?
- Medicare's official clinician data lists Eric H. Twerdahl at 3 hospitals: Elliot Hospital, Mary Hitchcock Memorial Hospital and Rutland Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric H. Twerdahl see patients?
- Medicare's clinician data lists 6 practice locations, including Manchester, NH, Lebanon, NH and Laurel, MD. Call before your visit to confirm the address.
- What is Eric H. Twerdahl's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Eric H. Twerdahl accept Medicare assignment?
- Yes. Medicare's clinician data says Eric H. Twerdahl 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 Eric H. Twerdahl?
- (603) 650-5000, as listed in official Medicare / NPI Registry data.
- What is Eric H. Twerdahl's NPI number?
- 1093035461. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric H. Twerdahl works
Medicare's Facility Affiliation Data lists Eric H. Twerdahl at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Elliot HospitalManchester, NH · Acute Care Hospital · CCN 300012
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · CCN 300003
- Rutland Regional Medical CenterRutland, VT · Acute Care Hospital · CCN 470005
Practice locations
Addresses where Eric H. Twerdahl is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1 Elliot WayManchester, NH 03103
- 1 Medical Ctr DrLebanon, NH 03756 (603) 650‑5000
- 14207 Park Ctr Dr, Suite 102Laurel, MD 20707 (301) 604‑5254
- 445 Cypress St, Suite 8Manchester, NH 03103
- 8600 Old Georgetown RdBethesda, MD 20814
Group practices
Medicare enrollment lists Eric H. Twerdahl as a member of these groups (CMS data updated 2026-10-02).
- Dartmouth-Hitchcock Clinic1,472 clinicians in the group
- Mary Hitchcock Memorial Hospital1,280 clinicians in the group
- Johns Hopkins Community Physicians, Inc763 clinicians in the group
- Elliot Professional Services427 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Manchester
Clinicians with the same Medicare primary specialty in Manchester, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093035461 |
| 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