# SANDRA BLOCK

> SANDRA BLOCK is a sleep medicine specialist in Williamsville, New York.

Canonical: https://findsleepdoctors.com/us/ny/williamsville/sandra-block
Last updated: 2026-10-30

Sleep Medicine in Williamsville, New York (United States).

Coordinates: 42.9639°N 78.7378°W

## Practice details

| Field | Detail |
| --- | --- |
| Credentials | M.D. |
| Specialty | Sleep Medicine |
| Address | 325 Essjay Rd Suite 210 |
| Postcode | 14221 |
| Phone | 716-630-1122 |
| Listing verified from | npiregistry.cms.hhs.gov |
| Last verified | 2026-10-25 |

Information above was collected from the public source shown. Practice details can change — confirm with the practice before travelling or booking. Costs vary by treatment and insurer/health fund; no prices are published on this site.

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