PATRICIA DEFAZIO CRNA
NPI 1356670699
Nurse Anesthetist, Certified Registered in Williamsville, NY
About Patricia Defazio Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA DEFAZIO CRNA (NPI 1356670699) is an individual nurse anesthetist, certified registered in Williamsville, New York, licensed in New York (624549) and active in the NPI registry since December 2009. She is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Patricia Defazio Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Patricia Defazio reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Amherst, NY 14226
- Reassigned Medicare billing, New York enrollment
- 41 clinicians in this Medicare group
Buffalo, NY 14214
- Reassigned Medicare billing, New York enrollment
- 117 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLIAMSVILLE, NY 14221
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Patricia Defazio's NPI number?
The NPI number for Patricia Defazio is 1356670699. It was assigned to this individual provider in the NPPES registry on December 16, 2009.
Where is Patricia Defazio located?
Patricia Defazio practices at 30 S Cayuga Rd, Williamsville, NY 14221. The listed phone number is (716) 632-1088.
What is Patricia Defazio's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Patricia Defazio enrolled in Medicare?
Yes. Patricia Defazio is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Patricia Defazio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Defazio reassigns Medicare benefits to 2 organizations: Ambulatory Medical Anesthesia Service, PC (Amherst, NY) and Parkside Medical Anesthesia Associates (Buffalo, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patricia Defazio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Patricia Defazio was last updated on April 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Patricia Defazio, CRNA · NPI 1356670699
Nurse Anesthetist, Certified Registered physician in Williamsville, New York. Individual provider, active in the CMS NPPES registry since December 16, 2009.
## Identity
- **NPI:** 1356670699 (Entity type: Individual)
- **Enumerated:** December 16, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 624549 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 30 S CAYUGA RD, Williamsville, NY 14221-6728
- **Phone:** (716) 632-1088 · **Fax:** (716) 632-7842
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ambulatory Medical Anesthesia Service, PC (NPI 1609813583, Amherst, NY); Parkside Medical Anesthesia Associates (NPI 1871537464, Buffalo, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** April 5, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1356670699) · Data from the CMS NPPES public registry.