Northtown Ambulatory Surgery Center
111 North Maplemere Road, Williamsville, NY 14221 · (716) 713-4310
CMS Certification Number 33C0001220
- Operating rooms
- 14
- Procedure rooms
- 0
- Ownership
- Proprietary
Case types filed with CMS
Hospital visits after surgery
No measure here has enough case volume for CMS to publish a rate. That is a reporting threshold, not a poor result.
Also filed, without a publishable rate: Colonoscopy, Orthopedic, General surgery.
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Safety and process measures
No safety measures reported for this center.
What patients said
| Measure | Score (0–100) |
|---|---|
| Overall rating of the facility | 96 |
| Would recommend the facility | 95 |
| Facilities and staff | 99 |
| Communication about the procedure | 95 |
220 completed surveys · 29% response rate · Survey period 10/01/2024 – 09/30/2025
Sources: CMS Provider of Services file (iQIES, 2026 Q2) — address, case types, room counts; CMS ASCQR facility-level file (reporting year 2024) — quality measures; CMS OAS CAHPS facility file — patient experience. Rates are reproduced as CMS publishes them; nothing here is scored or weighted by us. Not medical advice.