OLIVIA FLAHERTY FNP-C
NPI 1457134926
Nurse Practitioner in Michigan City, IN
About Olivia Flaherty Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA FLAHERTY FNP-C (NPI 1457134926) is an individual nurse practitioner in Michigan City, Indiana, licensed in Indiana (71014477A) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center Inc, and maintains a secondary practice location in Chesterton.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Olivia Flaherty Fnp-c 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
4Medicare enrollment records show Olivia Flaherty reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Merrillville, IN 46410
- Reassigned Medicare billing, Indiana enrollment
- 9 clinicians in this Medicare group
South Bend, IN 46601
- Reassigned Medicare billing, Indiana enrollment
- 69 clinicians in this Medicare group
Corydon, IN 47112
- Reassigned Medicare billing, Indiana enrollment
- 214 clinicians in this Medicare group
Corydon, IN 47112
- Reassigned Medicare billing, Indiana enrollment
- 107 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.
St Mary Medical Center Inc
Acute Care Hospitals · Hobart, INMemorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46360 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.
MICHIGAN CITY, IN 46360
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 Olivia Flaherty's NPI number?
The NPI number for Olivia Flaherty is 1457134926. It was assigned to this individual provider in the NPPES registry on August 17, 2023.
Where is Olivia Flaherty located?
Olivia Flaherty practices at 3500 Franciscan Way, Michigan City, IN 46360. The listed phone number is (219) 877-1616.
What is Olivia Flaherty's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Olivia Flaherty enrolled in Medicare?
Yes. Olivia Flaherty 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 Olivia Flaherty's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Flaherty reassigns Medicare benefits to 4 organizations: Unity Hospice Of Northwest Indiana LLC (Merrillville, IN), South Bend Emergency Physicians, Inc (South Bend, IN), Clarksville Emergency Group, PC (Corydon, IN) and Clarksville Physician Services PC (Corydon, IN). 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 Olivia Flaherty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Flaherty accept?
Health plans from CareSource list Olivia Flaherty as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Olivia Flaherty affiliated with any hospitals?
According to CMS data, Olivia Flaherty is affiliated with St Mary Medical Center Inc and Memorial Hospital Of South Bend.
When was this NPI record last updated?
The NPPES record for Olivia Flaherty was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Olivia Flaherty, FNP-C · NPI 1457134926
Nurse Practitioner physician in Michigan City, Indiana. Individual provider, active in the CMS NPPES registry since August 17, 2023.
## Identity
- **NPI:** 1457134926 (Entity type: Individual)
- **Enumerated:** August 17, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 71014477A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 3500 FRANCISCAN WAY, Michigan City, IN 46360-0021
- **Phone:** (219) 877-1616
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Unity Hospice Of Northwest Indiana LLC (NPI 1699854711, Merrillville, IN); South Bend Emergency Physicians, Inc (NPI 1487132114, South Bend, IN); Clarksville Emergency Group, PC (NPI 1023487154, Corydon, IN); Clarksville Physician Services PC (NPI 1811629546, Corydon, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** January 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457134926) · Data from the CMS NPPES public registry.