Dr. Abigail Roseann O'Reggio, MD
- Medicare services, 2024
- 183
- Medicare patients, 2024
- 105
- Part D claims, 2024
- 386
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 101 Manning Drive, Chapel Hill, NC 27514
- Practice phone
- Call (919) 966-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Reggio's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Abigail Roseann O'Reggio is a neurologist in Chapel Hill, North Carolina
Dr. O'Reggio practices at UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System.
Dr. O'Reggio's NPI, 1245893015, was assigned on April 17, 2019. Dr. O'Reggio graduated from University of South Florida College of Medicine in 2019. Dr. O'Reggio holds Georgia license 99475.
- NPI
- 1245893015NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062746183
- NPI enumeration date
- April 17, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (919) 966-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Abigail Roseann O'Reggio practices at UNC Hospitals in Chapel Hill, North Carolina
Dr. O'Reggio's primary practice is UNC Hospitals, at 101 Manning Drive, Chapel Hill, NC 27514 in Orange County. The practice phone is (919) 966-4141.
- UNC Hospitals101 Manning Drive, Chapel Hill, NC 27514 · Orange CountyPhone(919) 966-4141
Source: Dmand AI Affiliation Data
Dr. Abigail Roseann O'Reggio is affiliated with 5 sites of care and 3 medical groups
Dr. O'Reggio's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Dr. O'Reggio is also affiliated with Northeast Georgia Medical Center Gainesville. The medical group on file is UNC Faculty Physicians. Dmand AI also links Dr. O'Reggio to 2 more group practices and clinics, 2 medical groups and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Abigail Roseann O'Reggio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Reggio practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Hospitals | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Abigail Roseann O'Reggio is one of 543 neurologists in North Carolina
Neurology is Dr. O'Reggio's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. O'Reggio's licenses on file in 2 states: Georgia and North Carolina.
Specialties and state licenses
- Neurology, GeorgiaPrimary
- Student in an organized health care education/training program, North Carolina
Neurologists near Dr. O'Reggio
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Abigail Roseann O'Reggio billed Medicare for 183 services in 2024
CMS data shows 183 Medicare services from Dr. O'Reggio across 7 procedure codes in 2024, for 105 Medicare patients. Medicare paid $16,035 for them. Every service was in an office.
Dr. O'Reggio's Medicare services by type, 2024
- Office and hospital visits137
- Other services46
Dr. O'Reggio compared with the North Carolina median for neurologists, 2024
- Dr. O'Reggio
- North Carolina median
- Medicare services
- 183vs 35048% below
- Medicare patients
- 105vs 18644% below
- Part D claims
- 240vs 55056% below
Medians across 528 neurologists in North Carolina with Dmand AI profiles that report each measure.
Dr. O'Reggio's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Abigail Roseann O'Reggio treated 105 Medicare patients in 2024, average age 74
CMS counts 105 Medicare patients who saw Dr. O'Reggio in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Reggio's median patient age at 72, with 59% women.
Dr. O'Reggio's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. O'Reggio's Medicare patients by sex, 2024
- Women6663%
- Men3937%
Chronic conditions among Dr. O'Reggio's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Mood disorders49%
- Depression44%
- Anxiety40%
- Parkinson's disease35%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Reggio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Abigail Roseann O'Reggio wrote 386 Medicare Part D claims in 2024
In 2024, Dr. O'Reggio wrote 386 Medicare Part D claims for 127 patients. 96% of them were for generic drugs. CMS names the drug for 240 of them, across 7 drugs with 11 or more claims each, at $5,139 in total drug cost. In 2023, CMS named 92 claims across 5 drugs.
Dr. O'Reggio's Part D claims by kind of drug, 2024
- Generic372 claims96%
- Brand-name14 claims4%
Dr. O'Reggio's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 922024: 240161%
Drugs named by CMS: 7 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Abigail Roseann O'Reggio offers telehealth to Medicare patients
Dr. O'Reggio accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Reggio as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Abigail Roseann O'Reggio has 1 publication on record
Dmand AI links 1 paper to Dr. O'Reggio in 2022. Dr. O'Reggio's most frequent co-authors are Irena Dujmovic Basuroski, MD, Anahit Cheluskin Mehrabyan, MD and Carolyn Vicki Tsai.
Dr. O'Reggio's most frequent co-authors
- Irena Dujmovic Basuroski, MD1 shared paper
- Anahit Cheluskin Mehrabyan, MD1 shared paper
- Carolyn Vicki Tsai1 shared paper
Recent publications by Dr. O'Reggio
See who Dr. O'Reggio researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Reggio works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Abigail Roseann O'Reggio received $1,828 in industry payments from 2024 to 2025
CMS Open Payments shows 99 general payments to Dr. O'Reggio from 23 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $377.
General payments to Dr. O'Reggio by program year, 2024 to 2025
Companies that paid Dr. O'Reggio the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Abigail Roseann O'Reggio graduated from University of South Florida College of Medicine
Dr. O'Reggio graduated from University of South Florida College of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Abigail Roseann O'Reggio's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Abigail Roseann O'Reggio
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Abigail Roseann O'Reggio's NPI number?
Dr. Abigail Roseann O'Reggio's NPI number is 1245893015. It was assigned on April 17, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Abigail Roseann O'Reggio?
Dr. Abigail Roseann O'Reggio is a neurologist in Chapel Hill, North Carolina. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Abigail Roseann O'Reggio practice?
Dr. O'Reggio practices at 101 Manning Drive, Chapel Hill, NC 27514. Dr. O'Reggio's primary practice is UNC Hospitals in Chapel Hill, North Carolina, part of University of North Carolina Health Care System. Dmand AI also links Dr. O'Reggio to 2 group practices and clinics, 2 medical groups and 1 therapy and rehab clinic.
What is Dr. Abigail Roseann O'Reggio's office phone number?
The practice phone on file for Dr. O'Reggio is (919) 966-4141.
What is Dr. Abigail Roseann O'Reggio's medical license number?
Dr. O'Reggio holds Georgia license 99475, one of the licenses on file in 2 states.
Which states has Dr. Abigail Roseann O'Reggio been licensed in?
Dmand AI has state licenses on file for Dr. O'Reggio in Georgia and North Carolina.
Which hospitals is Dr. Abigail Roseann O'Reggio affiliated with?
Dr. O'Reggio practices at UNC Hospitals in Chapel Hill, North Carolina. Dr. O'Reggio is also affiliated with Northeast Georgia Medical Center Gainesville.
What medical group is Dr. Abigail Roseann O'Reggio part of?
Dr. O'Reggio is linked to UNC Faculty Physicians. Dmand AI links Dr. O'Reggio to 2 more medical groups.
Does Dr. Abigail Roseann O'Reggio accept Medicare?
Yes. CMS data shows Dr. O'Reggio billed Medicare for 183 services in 2024, and Dr. O'Reggio accepts Medicare assignment.
Does Dr. Abigail Roseann O'Reggio offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Reggio as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Abigail Roseann O'Reggio see?
CMS counts 105 Medicare patients who saw Dr. O'Reggio in 2024, with an average age of 74.
What services does Dr. Abigail Roseann O'Reggio bill to Medicare?
In 2024, Dr. O'Reggio's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, new patient (99204).
Where did Dr. Abigail Roseann O'Reggio go to medical school?
Dr. O'Reggio graduated from University of South Florida College of Medicine in 2019.
What drugs does Dr. Abigail Roseann O'Reggio prescribe most?
In 2024 Medicare Part D data, Dr. O'Reggio's most prescribed drugs by claims were Carbidopa-Levodopa, Carbidopa-Levodopa ER and Clonazepam.
Has Dr. Abigail Roseann O'Reggio received payments from drug or device companies?
CMS Open Payments shows $1,828 in general payments to Dr. O'Reggio from 23 companies from 2024 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Abigail Roseann O'Reggio been practicing?
Dr. O'Reggio graduated from medical school in 2019, 7 years ago.
Does Dr. Abigail Roseann O'Reggio do research?
Dmand AI links 1 publication to Dr. O'Reggio.
Who does Dr. Abigail Roseann O'Reggio publish with?
Dr. O'Reggio's most frequent co-authors are Irena Dujmovic Basuroski, MD (1 shared paper), Anahit Cheluskin Mehrabyan, MD (1 shared paper) and Carolyn Vicki Tsai (1 shared paper).
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