ASHLYNN J GUARNERI NP
NPI 1780382820
Nurse Practitioner - Critical Care Medicine in Geneva, NY
About Ashlynn J Guarneri Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLYNN J GUARNERI NP (NPI 1780382820) is an individual critical care medicine provider in Geneva, New York, licensed in New York (F432543-01) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, is affiliated with Geneva General Hospital, and is a graduate of Other (2022).
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
Ashlynn J Guarneri Np 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 Ashlynn Guarneri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Geneva, NY 14456
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1215194501 (New York)
- 148 clinicians in this Medicare group
Penn Yan, NY 14527
- Reassigned Medicare billing, New York enrollment
- 128 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 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Geneva General Hospital
Acute Care Hospitals · Geneva, NYSoldiers And Sailors Memorial Hospital Of Yates
Critical Access Hospitals · Penn Yan, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14456 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Ashlynn Guarneri's NPI number?
The NPI number for Ashlynn Guarneri is 1780382820. It was assigned to this individual provider in the NPPES registry on February 17, 2023.
Where is Ashlynn Guarneri located?
Ashlynn Guarneri practices at 196 North St, Geneva, NY 14456. The listed phone number is (315) 787-4000.
What is Ashlynn Guarneri's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Ashlynn Guarneri enrolled in Medicare?
Yes. Ashlynn Guarneri 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 Ashlynn Guarneri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashlynn Guarneri reassigns Medicare benefits to 2 organizations: Geneva General Hospital, Inc (Geneva, NY) and Soldiers & Sailors Memorial Hospital (Penn Yan, 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 Ashlynn Guarneri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ashlynn Guarneri affiliated with any hospitals?
According to CMS data, Ashlynn Guarneri is affiliated with Geneva General Hospital and Soldiers And Sailors Memorial Hospital Of Yates.
When was this NPI record last updated?
The NPPES record for Ashlynn Guarneri was last updated on February 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ashlynn J Guarneri, NP · NPI 1780382820
Critical Care Medicine physician in Geneva, New York. Individual provider, active in the CMS NPPES registry since February 17, 2023.
## Identity
- **NPI:** 1780382820 (Entity type: Individual)
- **Enumerated:** February 17, 2023
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** F432543-01 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 196 NORTH ST, Geneva, NY 14456-1651
- **Phone:** (315) 787-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Geneva General Hospital, Inc (NPI 1487797080, Geneva, NY); Soldiers & Sailors Memorial Hospital (NPI 1215044516, Penn Yan, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1780382820) · Data from the CMS NPPES public registry.