Olivia Flaherty, FNP-C
Nurse Practitioner · Michigan City, IN
Olivia Flaherty, FNP-C is a nurse practitioner with a practice address in Michigan City, Indiana, and NPI 1457134926, issued on Aug 17, 2023. Check the license (Indiana 71014477A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olivia Flaherty
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 71014477A IN
2821399AA IN
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Franciscan Way, Michigan City, IN 46360
- Phone
- (219) 877-1616
- Enumerated
- Aug 17, 2023
- Record last updated
- Jan 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20231017000503); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,582 in Indiana → Look up another NPI →
Also registered at 3500 Franciscan Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taylor Adrian, NPHospitalist Physician1811652431
- Katherine Afton, DPTPhysical Therapist1497303630
- Jennifer Ahlenius, RNRegistered Nurse1477351336
- Umair AhmedHospitalist Physician1134579402
- Gabrielle BecerraRegistered Nurse1467375915
Verify Olivia Flaherty in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71014477ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average nurse practitioner in 2024
326 Medicare Part D claims for 188 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 52 claims were for opioids.
Most prescribed
- Ibuprofen43 claims
- Hydrocodone-Acetaminophen37 claims
- Cephalexin26 claims
- Cyclobenzaprine Hcl22 claims
- Ondansetron Odt22 claims
- Amoxicillin-Clavulanate Potass11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Clarksville Emergency Group PCLa Porte, IN
- Clarksville Physician Services PCMichigan City, IN
- Unity Hospice OF Northwest Indiana LLCMerrillville, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olivia Flaherty among 2,582 nurse practitioner records in Indiana
Olivia Flaherty, FNP-C is one of 2,582 nurse practitioner records with a practice address in Indiana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 85% of them.
- NPI issued2023 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2023 · median 2018 among the 1,710 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 nurse practitioner records list a practice address in Michigan City
They are 16 of the 596 NPPES records with a practice address in Michigan City, and 2,582 nurse practitioner records in Indiana.
All 2,582 in Indiana → Every provider in Michigan City → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Monica Almy-Boylan, MSN, FNP-BCMichigan City, IN 463601710548706
- Holly Bradford, NPMichigan City, IN 463601710439047
- Sharon Friedrich, NURSE PRACTITIONERMichigan City, IN 463601831133081
- Allison Kinder, ANP-BCMichigan City, IN 463601043655210
- Jason Little, NPMichigan City, IN 463601013359942
- Mary Luedtke, FNPMichigan City, IN 463601326081894
- Chad McGuire, NPMichigan City, IN 463601467492579
- Amy Millard, NPMichigan City, IN 463601336455641
Common questions
What is Olivia Flaherty, FNP-C's NPI number?
Olivia Flaherty, FNP-C's National Provider Identifier (NPI) is 1457134926, issued on Aug 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Flaherty, FNP-C located?
The NPPES record lists a practice address at 3500 Franciscan Way, Michigan City, IN, 46360. Phone: (219) 877-1616. Providers update this record themselves, so call before visiting.
How can I verify Olivia Flaherty, FNP-C's license?
NPPES lists Indiana license number 71014477A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Olivia Flaherty, FNP-C prescribe under Medicare Part D?
In 2024, Olivia Flaherty, FNP-C had 326 Medicare Part D claims for 188 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.