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DR. JAMES TERRENCE O'NEILL DDS
NPI 1376701045
Dentist - Oral and Maxillofacial Surgery in Fort Wayne, IN

Active since May 29, 2008PECOS Enrolled
7845 CARNEGIE BLVD, FORT WAYNE, IN 46804(260) 423-2340(260) 969-4109 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 15, 2026, Jul 9, 2020, Jul 2, 2018 and 1 more (4 updates tracked since 2016).

About Dr. James Terrence O'neill Dds NPPES

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

DR. JAMES TERRENCE O'NEILL DDS (NPI 1376701045) is an individual oral and maxillofacial surgery provider in Fort Wayne, Indiana, licensed in Indiana (12010974A) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Indiana University School Of Dentistry (2011).

NPPES Registry Identity

NPI1376701045
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. JAMES TERRENCE O'NEILLCredential: DDS
Location Address7845 CARNEGIE BLVDFort Wayne, IN 46804-5792
Mailing Address7845 Carnegie BlvdFort Wayne, IN 46804-5792 · (260) 423-2340 · Fax (260) 969-4118
Phone(260) 423-2340
Fax(260) 969-4109
Sole ProprietorNo
Medical School CMSIndiana University School Of DentistryGraduated 2011
Enumeration DateMay 29, 2008
Last NPPES UpdateJanuary 15, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
✔ NPI 1376701045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in IN · 12010974A
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Also ListedOral & Maxillofacial SurgeryTaxonomy 204E00000X · License 12010974A (IN)
7845 CARNEGIE BLVD, Fort Wayne, IN 46804
Open in Google Maps ↗

Secondary Practice Locations 5

Location 1550 University Blvd Ste 3195Indianapolis, IN 46202-5149 · Phone (317) 274-7433 · Fax (317) 274-2603
Location 21121 W Michigan StIndianapolis, IN 46202-5211 · Phone (317) 274-7433 · Fax (317) 274-2603
Location 34606 E State Blvd Ste DFort Wayne, IN 46815-6963 · Phone (260) 423-2340 · Fax (260) 969-4109
Location 410008 DuPont Circle CtFort Wayne, IN 46825-1604 · Phone (260) 423-2340 · Fax (260) 969-4109
Location 52122 E Center StWarsaw, IN 46580-3704 · Phone (260) 423-2340 · Fax (260) 969-4109

Other Identifiers 2

Medicaid2010252480IN
OtherH192110OH · Medicareptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Terrence O'neill Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719155936
PECOS Enrollment IDI20110714000095
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 James O'neill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oral & Maxillofacial Surgery Associates PC
Same address
Oral and Maxillofacial Surgery
7845 CARNEGIE BLVD
Fort Wayne, IN 46804
  • Reassigned Medicare billing, Indiana enrollment
  • 6 clinicians in this Medicare group
NPI 1831264324 (260) 969-4105
Indiana University
101 mi
General Practice
1121 W MICHIGAN ST
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 32 clinicians in this Medicare group
NPI 1689790552 (317) 274-7433

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 2

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.

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
14 services14 patients
Biopsy of mouth 40808
A biopsy of the mouth is a procedure where a small sample of tissue is taken from your mouth. This is done to examine the tissue under a microscope and check for any abnormal cells or diseases. The procedure is usually quick and may involve local anesthesia for comfort.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46804 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
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
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 6

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

DR. LUCAS S REED DDS
Oral & Maxillofacial Surgery
7845 CARNEGIE BLVD
FORT WAYNE, IN 46804
Allen County (260) 423-2340
DR. MICHAEL J STRONCZEK DDS
Oral & Maxillofacial Surgery
7845 CARNEGIE BLVD
FORT WAYNE, IN 46804
Allen County (260) 423-2340
DR. STEVEN R SCHIMMELE DDS
Oral & Maxillofacial Surgery
7845 CARNEGIE BLVD
FORT WAYNE, IN 46804
Allen County (260) 423-2340
DR. JOSIAH MICHAEL SMITH DDS
Dentist (Oral and Maxillofacial Surgery)
7845 CARNEGIE BLVD
FORT WAYNE, IN 46804
Allen County (260) 969-4113
DR. STEVEN J BUTLER DDS
Oral & Maxillofacial Surgery
7845 CARNEGIE BLVD
FORT WAYNE, IN 46804
Allen County (260) 423-2340
ORAL & MAXILLOFACIAL SURGERY ASSOCIATES PC
Dentist (Oral and Maxillofacial Surgery)
7845 CARNEGIE BLVD
FORT WAYNE, IN 46804
Allen County (260) 969-4105

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 James O'neill's NPI number?

The NPI number for James O'neill is 1376701045. It was assigned to this individual provider in the NPPES registry on May 29, 2008.

Where is James O'neill located?

James O'neill practices at 7845 Carnegie Blvd, Fort Wayne, IN 46804. The listed phone number is (260) 423-2340.

What is James O'neill's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is James O'neill enrolled in Medicare?

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

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

According to the CMS Revalidation Reassignment List (October 2026 release), James O'neill reassigns Medicare benefits to 2 organizations: Oral & Maxillofacial Surgery Associates PC (Fort Wayne, IN) and Indiana University (Indianapolis, 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 James O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James O'neill accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Delta Dental of Indiana list James O'neill 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.

When was this NPI record last updated?

The NPPES record for James O'neill was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.