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DR. THOMAS J O'NEILL IV MD
NPI 1639373327
Internal Medicine in Chapel Hill, NC

Active since June 14, 2007PECOS EnrolledAccepts Medicare Assignment
90.9/100
CMS Quality Rating
3100 ACC BUILDING, UNC CH, 102 MASON FARM ROAD, CB#7705, CHAPEL HILL, NC 27599(919) 966-6989(919) 843-9355 Get Directions Write a Review

NPPES record last updated: July 30, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Thomas J O'neill Iv Md NPPES

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

DR. THOMAS J O'NEILL IV MD (NPI 1639373327) is an individual internal medicine provider in Chapel Hill, North Carolina, licensed in North Carolina (141369) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of University Of Virginia School Of Medicine (2007).

NPPES Registry Identity

NPI1639373327
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. THOMAS J O'NEILL IVCredential: MD
Location Address3100 ACC BUILDING, UNC CH, 102 MASON FARM ROAD, CB#7705Chapel Hill, NC 27599-7705
Mailing Address3100 Acc Building, Unc Ch, 102 Mason Farm Road, Cb#7705Chapel Hill, NC 27599-7705 · (919) 966-6989 · Fax (919) 843-9355
Phone(919) 966-6989
Fax(919) 843-9355
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2007
Enumeration DateJune 14, 2007
Last NPPES UpdateJuly 30, 2013
✔ NPI 1639373327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NC · 141369
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.
3100 ACC BUILDING, UNC CH, Chapel Hill, NC 27599
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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas J O'neill Iv Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971799586
PECOS Enrollment IDI20220709000582
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.

Areas of Expertise CMS Part B claims 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
125 services49 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
104 services57 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
100 services27 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
62 services46 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
33 services23 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
20 services19 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Parma Community General Hospital

Acute Care Hospitals · Parma, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360041
Location7007 Powers BoulevardParma, OH 44129 · Cuyahoga County

Uh Cleveland Medical Center

Acute Care Hospitals · Cleveland, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360137
Location11100 Euclid AvenueCleveland, OH 44106 · Cuyahoga County
Emergency services Birthing friendly

University Hospitals - Elyria Medical Center

Acute Care Hospitals · Elyria, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360145
Location630 East River StreetElyria, OH 44035 · Lorain County

Southwest General Health Center

Acute Care Hospitals · Middleburg Heights, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360155
Location18697 Bagley RoadMiddleburg Heights, OH 44130 · Cuyahoga County
Emergency services Birthing friendly

University Hospitals Ahuja Medical Center

Acute Care Hospitals · Beachwood, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360359
Location3999 Richmond RoadBeachwood, OH 44122 · Cuyahoga County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27599 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
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.9/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.8
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
6 suppliers44 claims4,305 services$0.31 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers37 claims5,370 services$0.18 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
5 suppliers42 claims42 services$17.30 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
5 suppliers55 claims66 services$11.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

ANNE F PEERY M.D.
Internal Medicine (Gastroenterology)
3100 ACC BUILDING, UNC CH, 102 MASON FARM ROAD, CB #7705
CHAPEL HILL, NC 27599
Orange County (919) 966-6989

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 Thomas O'neill's NPI number?

The NPI number for Thomas O'neill is 1639373327. It was assigned to this individual provider in the NPPES registry on June 14, 2007.

Where is Thomas O'neill located?

Thomas O'neill practices at 3100 Acc Building, Unc Ch 102 Mason Farm Road, Cb#7705, Chapel Hill, NC 27599. The listed phone number is (919) 966-6989.

What is Thomas O'neill's specialty?

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

Is Thomas O'neill enrolled in Medicare?

Yes. Thomas O'neill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas O'neill accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, AmeriHealth Caritas Next and Antidote Health Plan of Ohio, Inc. and 2 other insurers list Thomas 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.

Is Thomas O'neill affiliated with any hospitals?

According to CMS data, Thomas O'neill is affiliated with Parma Community General Hospital, Uh Cleveland Medical Center, University Hospitals - Elyria Medical Center, Southwest General Health Center and University Hospitals Ahuja Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas O'neill was last updated on July 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.