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DR. CORNELIUS JOHN ONEILL IV M.D.
NPI 1962420257
Internal Medicine in Jackson, MS

Active since July 17, 2006PECOS Enrolled
1500 E WOODROW WILSON AVE, JACKSON, MS 39216(601) 362-4471(601) 368-4089 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Cornelius John Oneill Iv M.d. NPPES

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

DR. CORNELIUS JOHN ONEILL IV M.D. (NPI 1962420257) is an individual internal medicine provider in Jackson, Mississippi, licensed in Mississippi (09997) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962420257
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CORNELIUS JOHN ONEILL IVCredential: M.D.
Location Address1500 E WOODROW WILSON AVEJackson, MS 39216-5116
Mailing AddressPo Box 278Florence, MS 39073-0278 · (601) 622-2681
Phone(601) 362-4471
Fax(601) 368-4089
Sole ProprietorNo
Enumeration DateJuly 17, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1962420257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MS · 09997
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1500 E WOODROW WILSON AVE, Jackson, MS 39216
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Other Identifiers 1

Medicare UPINVADOOMS

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cornelius John Oneill Iv M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39216 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
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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.

MELISSA ALLENE GRAIG RN
Registered Nurse
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 362-4471
DR. ELIZABETH NOSEN PH.D.
Psychologist
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 362-4471
WHITNEY ROWELL GERBER
Pharmacist
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 364-1352
MS. SANDRA TERRY-TURNER RPH
Pharmacist
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 362-4471
MR. GLENN D SHAW R.PH.
Pharmacist
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 364-1555
MRS. ANGELA A. CAUSEY MS, RD
Dietitian, Registered
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 362-4471
SONNY MONTGOMERY V A M EDICAL CENTER
Chronic Disease Hospital
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 362-4471
MRS. MOLLY WILLIS HOKE LCSW
Social Worker (Clinical)
1500 E WOODROW WILSON AVE
JACKSON, MS 39216
Hinds County (601) 352-4471

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 Cornelius Oneill's NPI number?

The NPI number for Cornelius Oneill is 1962420257. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Cornelius Oneill located?

Cornelius Oneill practices at 1500 E Woodrow Wilson Ave, Jackson, MS 39216. The listed phone number is (601) 362-4471.

What is Cornelius Oneill's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Cornelius Oneill enrolled in Medicare?

Yes. Cornelius Oneill is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cornelius Oneill was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.