GIANNA MARIE HERLIHY NURSE PRACTITIONER
NPI 1467241083
Nurse Practitioner - Adult Health in Rochester, NY

Active since May 01, 2025PECOS EnrolledAccepts Medicare Assignment
601 ELMWOOD AVE, ROCHESTER, NY 14642(585) 275-4711 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gianna Marie Herlihy Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GIANNA MARIE HERLIHY NURSE PRACTITIONER (NPI 1467241083) is an individual adult health provider in Rochester, New York, licensed in New York (311942) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1467241083
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameGIANNA MARIE HERLIHYCredential: NURSE PRACTITIONER
Location Address601 ELMWOOD AVERochester, NY 14642-0001
Mailing Address601 Elmwood Ave Box MedRochester, NY 14642-0001
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMay 1, 2025
Last NPPES UpdateJuly 8, 2025
NPPES CertifiedJuly 8, 2025
✔ NPI 1467241083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · 311942
601 ELMWOOD AVE, Rochester, NY 14642

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

Gianna Marie Herlihy Nurse Practitioner 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.

PECOS PAC ID3577077452
PECOS Enrollment IDI20250710003582
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Gianna Herlihy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology
601 ELMWOOD AVE, BOX MED
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 71 clinicians in this Medicare group
General Acute Care Hospital
601 ELMWOOD AVE, BOX 684
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 1,624 clinicians in this Medicare group
Internal Medicine
1000 SOUTH AVE
Rochester, NY 14620
  • Reassigned Medicare billing, New York enrollment
  • 303 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Strong Memorial Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330285
Location601 Elmwood AveRochester, NY 14642 · Monroe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14642 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
601 ELMWOOD AVE
ROCHESTER, NY 14642
Pediatrics (Neonatal-Perinatal Medicine)
601 ELMWOOD AVE, BOX 635
ROCHESTER, NY 14642
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE, BOX 648
ROCHESTER, NY 14642
Nurse Practitioner (Family)
601 ELMWOOD AVE, BOX 652
ROCHESTER, NY 14642
Urology (Pediatric Urology)
601 ELMWOOD AVE, BOX 656
ROCHESTER, NY 14642
Nurse Practitioner (Adult Health)
601 ELMWOOD AVE, BOX 704
ROCHESTER, NY 14642
Student in an Organized Health Care Education/Training Program
601 ELMWOOD AVE, BOX 705
ROCHESTER, NY 14642
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE
ROCHESTER, NY 14642

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 Gianna Herlihy's NPI number?

The NPI number for Gianna Herlihy is 1467241083. It was assigned to this individual provider in the NPPES registry on May 1, 2025.

Where is Gianna Herlihy located?

Gianna Herlihy practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 275-4711.

What is Gianna Herlihy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Gianna Herlihy enrolled in Medicare?

Yes. Gianna Herlihy 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 Gianna Herlihy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gianna Herlihy reassigns Medicare benefits to 3 organizations: Gastrointestinal Group (Rochester, NY), University Of Rochester (Rochester, NY) and Highland Hospital Of Rochester (Rochester, 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 Gianna Herlihy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gianna Herlihy affiliated with any hospitals?

According to CMS data, Gianna Herlihy is affiliated with Strong Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Gianna Herlihy was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.