Quick answers
- Where does Samuel Stack see patients?
- Medicare's clinician data lists 2 practice locations, including Littleton, NH and Woodsville, NH. Call before your visit to confirm the address.
- What is Samuel Stack's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Samuel Stack accept Medicare assignment?
- Yes. Medicare's clinician data says Samuel Stack 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 Samuel Stack?
- (603) 444-2592, as listed in official Medicare / NPI Registry data.
- What is Samuel Stack's NPI number?
- 1114542149. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Samuel Stack is enrolled with Medicare (CMS data updated 2026-10-02).
- 104 Meadow StLittleton, NH 03561 (603) 444‑2592
- 50 Smith StWoodsville, NH 03785 (603) 747‑3190
Group practices
Medicare enrollment lists Samuel Stack as a member of this group (CMS data updated 2026-10-02).
- Envision Eye Care, PLLC6 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Littleton
Clinicians with the same Medicare primary specialty in Littleton, NH — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | State University Of New York - State College Optometry |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114542149 |
| 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
- 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