Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Samuel Stack, OD

Individual provider Optometrist · NPI 1114542149

Dr. Samuel Stack, OD is an Optometry in Littleton, New Hampshire. Graduated from State University of New York - State College Optometry in 2020, 6 years ago. Practices with Envision Eye Care, PLLC, a 6-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Hampshire and Pennsylvania.

Years since qualifying
6
Trained at
State University of New York - State College Optometry
Licensed in
NH, PA
In the registry since
2020
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

104 Meadow St
Littleton, NH 03561-4026
Phone: (603) 444-2592
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 135 E 38th St, Erie, PA 16504-1559 — (814) 860-2789

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1042 (NH)
Optometrist Taxonomy 152W00000X · Licence OEG003662 (PA)

Record details

NPI number1114542149
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 16, 2020
Last updated in NPPESAugust 27, 2021
Certification dateAugust 27, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolSTATE UNIVERSITY OF NEW YORK - STATE COLLEGE OPTOMETRY
Graduated 2020 (6 years in practice)
Group practice Envision Eye Care, Pllc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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