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OLIVIA FLAHERTY FNP-C
NPI 1457134926
Nurse Practitioner in Michigan City, IN

Active since August 17, 2023PECOS EnrolledAccepts Medicare Assignment
3500 FRANCISCAN WAY, MICHIGAN CITY, IN 46360(219) 877-1616 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 27, 2026, Aug 17, 2023 (2 updates tracked since 2023).

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 is a graduate of Other (2023).

NPPES Registry Identity

NPI1457134926
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameOLIVIA FLAHERTYCredential: FNP-C
Location Address3500 FRANCISCAN WAYMichigan City, IN 46360-0021
Mailing Address1301 W Gentry CtLa Porte, IN 46350-7951
Phone(219) 877-1616
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 17, 2023
Last NPPES UpdateJanuary 27, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 27, 2026
✔ NPI 1457134926 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IN · 71014477A
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License 2821399AA (IN)
3500 FRANCISCAN WAY, Michigan City, IN 46360
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID345695961
PECOS Enrollment IDI20231017000503
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.

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
96 services95 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
62 services61 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients

Hospital Affiliations CMS Care Compare

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, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150034
Location1500 S Lake Park AveHobart, IN 46342 · Lake County
Emergency services Birthing friendly

Physician 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.

New Patient
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

JASON C LITTLE NP
Nurse Practitioner
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 852-1524
DONALD ERNEST GREER JR.
Nurse Practitioner (Family)
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 879-8511
FRANCISCAN HEALTH MICHIGAN CITY
Psychiatric Unit
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 877-1033
MICHELLE LYNN KRSTESKI PHARMD, MS
Pharmacist
3500 FRANCISCAN WAY, PHARMACY
MICHIGAN CITY, IN 46360
Laporte County (219) 237-4177
CAROL LYNN SCHNADENBERG
Registered Nurse
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 879-8511
MS. JANEL MARIE ZILINSKI FNP
Nurse Practitioner
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 877-1616
UMAIR AHMED
Hospitalist
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 852-1524
DR. ZAIN SHEIKH M.D.
Hospitalist
3500 FRANCISCAN WAY
MICHIGAN CITY, IN 46360
Laporte County (219) 852-1524

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.

Is Olivia Flaherty affiliated with any hospitals?

According to CMS data, Olivia Flaherty is affiliated with St Mary Medical Center Inc.

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 6 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.