Quick answers
- Which hospitals does Daniel Tseytlin work at?
- Medicare's official clinician data lists Daniel Tseytlin at 4 hospitals: Elliot Hospital, Mary Hitchcock Memorial Hospital, Southern NH Medical Center and St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel Tseytlin see patients?
- Medicare's clinician data lists 1 practice location in Nashua, NH. Call before your visit to confirm the address.
- What is Daniel Tseytlin's specialty?
- Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
- Does Daniel Tseytlin accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel Tseytlin 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 Daniel Tseytlin offer telehealth?
- Medicare's clinician data says Daniel Tseytlin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Daniel Tseytlin?
- (603) 578-9363, as listed in official Medicare / NPI Registry data.
- What is Daniel Tseytlin's NPI number?
- 1629413398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel Tseytlin works
Medicare's Facility Affiliation Data lists Daniel Tseytlin 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
- Southern NH Medical CenterNashua, NH · Acute Care Hospital · CCN 300020
- St Joseph HospitalNashua, NH · Acute Care Hospital · CCN 300011
Practice locations
Addresses where Daniel Tseytlin is enrolled with Medicare (CMS data updated 2026-10-02).
- 168 Kinsley St, Suite 10Nashua, NH 03060 (603) 578‑9363
Group practices
Medicare enrollment lists Daniel Tseytlin as a member of this group (CMS data updated 2026-10-02).
- St. Joseph Hospital of Nashua NH273 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Nashua
Clinicians with the same Medicare primary specialty in Nashua, NH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629413398 |
| 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