Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

EMILY ISABELLA O'BRIEN APRN
NPI 1699615815
Nurse Practitioner - Gerontology in Louisville, KY

Q: What is Emily O'brien's NPI number?

The NPI number for Emily O'brien is 1699615815. It was assigned to this individual provider in the NPPES registry on March 30, 2026.

Q: What is Emily O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Q: When was this NPI record last updated?

The NPPES record for Emily O'brien was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.

Active since March 30, 2026PECOS Enrolled

4402 CHURCHMAN AVE STE 201, LOUISVILLE, KY 40215(502) 955-1355 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 2, 2026, May 28, 2026, Mar 30, 2026 (3 updates tracked since 2026).

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About Emily Isabella O'brien Aprn NPPES

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

EMILY ISABELLA O'BRIEN APRN (NPI 1699615815) is an individual gerontology provider in Louisville, Kentucky, licensed in Kentucky (4015045) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in Louisville, and is a graduate of Other (2026).

NPPES Registry Identity

NPI1699615815

Entity TypeIndividualFemale

Primary Taxonomy363LG0600X

Provider Legal NameEMILY ISABELLA O'BRIENCredential: APRN

Location Address4402 CHURCHMAN AVE STE 201Louisville, KY 40215-3100

Mailing AddressPo Box 909Louisville, KY 40201-0909 · (502) 955-1355

Phone(502) 955-1355

Sole ProprietorNo

Medical School CMSOtherGraduated 2026

Enumeration DateMarch 30, 2026

Last NPPES UpdateSeptember 2, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2026

✔ NPI 1699615815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LG0600X

License✔ Licensed in KY · 4015045

Also ListedRegistered NurseTaxonomy 163W00000X · License 4015045 (KY)

Also ListedNurse PractitionerTaxonomy 363L00000X · License 4015045 (KY)

4402 CHURCHMAN AVE STE 201, Louisville, KY 40215

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Secondary Practice Location 1

Location 13920 Dutchmans Ln Ste 300Louisville, KY 40207-4702 · Phone (502) 895-8970

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emily Isabella O'brien Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6709350887

PECOS Enrollment IDI20260630001177

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40215 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

$82.24 typical visit price

range $52.76 – $162.27

Typical copayment $20.56 (range $13.19 – $40.56)

Most-billed visit code 99203

Established Patient

$93.94 typical visit price

range $16.53 – $131.99

Typical copayment $23.48 (range $4.13 – $32.99)

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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LISA MARIE WOOTEN APRN

Nurse Practitioner

4402 CHURCHMAN AVE STE 201
LOUISVILLE, KY 40215

Jefferson County (502) 416-0207

SANJAY K. JAIN M.D.

Internal Medicine (Gastroenterology)

4402 CHURCHMAN AVE STE 201
LOUISVILLE, KY 40215

Jefferson County (502) 416-0207

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 Emily O'brien's NPI number?

The NPI number for Emily O'brien is 1699615815. It was assigned to this individual provider in the NPPES registry on March 30, 2026.

Where is Emily O'brien located?

Emily O'brien practices at 4402 Churchman Ave Ste 201, Louisville, KY 40215. The listed phone number is (502) 955-1355.

What is Emily O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Emily O'brien enrolled in Medicare?

Yes. Emily O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Emily O'brien was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.