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Certified Registered Nurse Anesthetist (CRNA)

Patricia L. Defazio, CNA

Sees patients in Amherst, NY · New York

Summary

Patricia L. Defazio, CNA is a nurse anesthetist at 945 Sweet Home Rd, Amherst, NY 14226. Phone: (716) 831-9435. Accepts Medicare assignment. In 2024, Patricia L. Defazio had 221 Original Medicare patients and 233 services. NPI 1356670699. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 945 Sweet Home Rd, Amherst, NY 14226 · Directions
  • Phone: (716) 831‑9435
  • Medicare: Accepts Medicare assignment
  • Group practice: Ambulatory Medical Anesthesia Service PC
  • School: graduated 2009
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Patricia L. Defazio, 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 Patricia L. Defazio accept Medicare assignment?
Yes. Medicare's clinician data says Patricia L. Defazio 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.
How many Medicare patients does Patricia L. Defazio see?
In 2024, CMS data shows 221 Original Medicare patients and 233 services for Patricia L. Defazio. This counts Original Medicare only and measures volume, not quality.
What is Patricia L. Defazio's NPI number?
1356670699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Patricia L. Defazio, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients221
Services billed to Medicare233
Different services or procedures19
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Anesthesia for lens surgery (00142)127 services
  2. Anesthesia for other procedure on eye (00140)26 services
  3. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)26 services
  4. Anesthesia for procedure on eyelid (00103)25 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis50%
  • Diabetes32%
  • Ischemic heart disease30%
  • Chronic kidney disease30%

Practice locations

Addresses where Patricia L. Defazio is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Patricia L. Defazio as a member of this group (CMS data updated October 2, 2026).

  • Ambulatory Medical Anesthesia Service PC8 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →

Other nurse anesthetists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All nurse anesthetists in New York →

Other clinicians in Ambulatory Medical Anesthesia Service PC

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

Clinician information

CredentialCNA
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356670699
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians