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MACKENZIE CORBEIL O'NEILL APRN
NPI 1629454889
Nurse Practitioner - Acute Care in Hartford, CT

Active since August 10, 2015PECOS Enrolled
80 SEYMOUR ST, HARTFORD HOSPITAL SURGERY DEPARTMENT, HARTFORD, CT 06102(860) 972-4670 Get Directions Write a Review

NPPES record last updated: August 31, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mackenzie Corbeil O'neill Aprn NPPES

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

MACKENZIE CORBEIL O'NEILL APRN (NPI 1629454889) is an individual acute care provider in Hartford, Connecticut, licensed in Connecticut (6226) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629454889
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMACKENZIE CORBEIL O'NEILLCredential: APRN
Location Address80 SEYMOUR ST, HARTFORD HOSPITAL SURGERY DEPARTMENTHartford, CT 06102-5037
Mailing Address80 Seymour St, Hartford Hospital Surgery DepartmentHartford, CT 06102-5037 · (860) 972-4670
Phone(860) 972-4670
Sole ProprietorNo
Enumeration DateAugust 10, 2015
Last NPPES UpdateAugust 31, 2015
✔ NPI 1629454889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CT · 6226
Also ListedNurse PractitionerTaxonomy 363L00000X · License 006226 (CT)
80 SEYMOUR ST, Hartford, CT 06102
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mackenzie Corbeil O'neill Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Mackenzie O'neill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hartford Hospital
Same address
General Acute Care Hospital
80 SEYMOUR ST
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,333 clinicians in this Medicare group
NPI 1770696643 (860) 696-6010
Hartford Healthcare Medical Group, Inc
4.9 mi
Surgery
1290 SILAS DEANE HWY, ATTN: LINDA STRAKA
Wethersfield, CT 06109
  • Reassigned Medicare billing, Connecticut enrollment
  • 747 clinicians in this Medicare group
NPI 1043561301 (860) 972-9033

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06102 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

SUPARNA DUTTA M.D.
Internal Medicine
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 972-2085
ANN T ZOGBAUM RD
Dietitian, Registered
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 545-2697
DR. NISHA DHANABALSAMY MBBS
Internal Medicine
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 972-0549
MATTHEW BAXTER PA
Physician Assistant (Surgical)
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 545-5000
ALISON COUTURE WYSE CRNA
Nurse Anesthetist, Certified Registered
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 545-5000
ALICE DIFRANCESCO MD
Anesthesiology
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 545-5000
MICHELLE MAY ROE APRN
Nurse Practitioner (Family)
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 972-2824
DR. VESAL YAGHOOBI MD
Student in an Organized Health Care Education/Training Program
80 SEYMOUR ST
HARTFORD, CT 06102
Capitol Planning Region (860) 972-6113

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 Mackenzie O'neill's NPI number?

The NPI number for Mackenzie O'neill is 1629454889. It was assigned to this individual provider in the NPPES registry on August 10, 2015.

Where is Mackenzie O'neill located?

Mackenzie O'neill practices at 80 Seymour St Hartford Hospital Surgery Department, Hartford, CT 06102. The listed phone number is (860) 972-4670.

What is Mackenzie O'neill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mackenzie O'neill enrolled in Medicare?

Yes. Mackenzie O'neill is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mackenzie O'neill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie O'neill reassigns Medicare benefits to 2 organizations: Hartford Hospital (Hartford, CT) and Hartford Healthcare Medical Group, Inc (Wethersfield, CT). 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 Mackenzie O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mackenzie O'neill was last updated on August 31, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.