Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Richard S. Castaldo, MD

Sees patients in Niagara Falls, NY · North Tonawanda, NY · New York

Summary

Dr. Richard S. Castaldo, MD is a family doctor at 621 10th St, Niagara Falls, NY 14301. Phone: (716) 278-4000. Accepts Medicare assignment. NPI 1255443115. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 621 10th St, Niagara Falls, NY 14301 · Directions (1 more location)
  • Phone: (716) 278‑4000
  • Medicare: Accepts Medicare assignment
  • Group practice: Niagara Falls Memorial Medical Center
  • Medical school: graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard S. Castaldo, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Richard S. Castaldo accept Medicare assignment?
Yes. Medicare's clinician data says Richard S. Castaldo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Richard S. Castaldo's NPI number?
1255443115. 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 Richard S. Castaldo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard S. Castaldo as a member of this group (CMS data updated October 2, 2026).

  • Niagara Falls Memorial Medical Center70 clinicians in the group

Specialties

Find other Family Practice doctors in New York →

Other family doctors in Niagara Falls

Clinicians with the same Medicare primary specialty in Niagara Falls, NY — not a recommendation.

All family doctors in Niagara Falls →

Other clinicians in Niagara Falls Memorial Medical Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255443115
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians