Dr. Jacqueline Jennifer O'Neill, MD

  • Orange, CA
  • Internist
NPI1588153886PAC ID3173857182
Medicare services, 2024
253
Medicare patients, 2024
96
Part D claims, 2020
46
Publications
6
MIPS score, 2024
90
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

See all 3 affiliations

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Dr. Jacqueline Jennifer O'Neill is an internist in Orange, California

Dr. O'Neill practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. O'Neill's NPI, 1588153886, was assigned on May 2, 2018. Dr. O'Neill holds New Mexico license MD2021-0682.

NPI and contact details
Medicare PAC ID
3173857182
NPI enumeration date
May 2, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 456-7890
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jacqueline Jennifer O'Neill practices at UCI Health - Orange in Orange, California

Dr. O'Neill's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Dr. Jacqueline Jennifer O'Neill is affiliated with 1 site of care and 2 medical groups

Dr. O'Neill's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UNM Medical Group, Inc. Dmand AI also links Dr. O'Neill to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. O'Neill

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jacqueline Jennifer O'Neill's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Neill practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jacqueline Jennifer O'Neill is one of 16,751 internists in California

Internal medicine is Dr. O'Neill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. O'Neill's licenses on file in 2 states: New Mexico and Arizona.

Specialties and state licenses

  • Internal medicine, New MexicoPrimaryLicense MD2021-0682 · taxonomy 207R00000X
  • General practice, ArizonaLicense 61778 · taxonomy 208D00000X

Internists near Dr. O'Neill

Counts of internists 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. Jacqueline Jennifer O'Neill billed Medicare for 253 services in 2024

CMS data shows 253 Medicare services from Dr. O'Neill across 4 procedure codes in 2024, for 96 Medicare patients. Medicare paid $19,821 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024253
Medicare patients96
Paid by Medicare$19,821
Procedure codes4

Dr. O'Neill's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2842024: 25311%

Dr. O'Neill compared with the California median for internists, 2024

  • Dr. O'Neill
  • California median
Medicare services
253vs 36130% below
Medicare patients
96vs 15136% below
Part D claims
46vs 42189% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. O'Neill'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. Jacqueline Jennifer O'Neill treated 96 Medicare patients in 2024, average age 72

CMS counts 96 Medicare patients who saw Dr. O'Neill in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. O'Neill's median patient age at 66, with 49% women.

Medicare patients, 202496
Average age72
Average risk score2.79
Also on Medicaid46%

Dr. O'Neill's Medicare patients by age, 2024

Dr. O'Neill's Medicare patients by sex, 2024

  • Women4345%
  • Men5355%

Chronic conditions among Dr. O'Neill's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol67%
  3. Mood disorders54%
  4. Depression50%
  5. Arthritis46%
  6. Chronic kidney disease43%
  7. Anxiety42%
  8. Diabetes42%

Share of Medicare patients with each condition. A patient can have several.

Dr. O'Neill's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women49%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jacqueline Jennifer O'Neill wrote 46 Medicare Part D claims in 2020

In 2020, Dr. O'Neill wrote 46 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $268 in total drug cost.

Part D claims, 202046
Drugs named by CMS4
Total drug cost$268

Dr. O'Neill's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. O'Neill

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Jacqueline Jennifer O'Neill scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. O'Neill for performance year 2024, reported as part of a group. Dr. O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. O'Neill's MIPS scores, performance year 2024

  • 90of 100Final score
  • 75.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Jacqueline Jennifer O'Neill has 6 publications on record

Dmand AI links 6 papers to Dr. O'Neill, published from 2016 to 2017. 2016 was the busiest year, with 2. The most frequent topics are Basal Metabolism, Body Temperature Regulation and Hot Temperature. Dr. O'Neill has published most often in J Exp Biol. Dr. O'Neill's most frequent co-authors are Eyas Alkhalili and Itzhak Nir.

Papers6
Years published2016 to 2017

Topics Dr. O'Neill writes about most

  • Basal Metabolism
  • Body Temperature Regulation
  • Hot Temperature
  • Desert Climate
  • Thermotolerance

Dr. O'Neill's most frequent co-authors

Recent publications by Dr. O'Neill

See all 6 publications and co-authors

See who Dr. O'Neill researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Neill works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jacqueline Jennifer O'Neill received $122 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. O'Neill from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Hospital Products Inc. paid the most, $122.

Companies that paid Dr. O'Neill the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. O'Neill

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Jacqueline Jennifer O'Neill's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jacqueline Jennifer O'Neill

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. Jacqueline Jennifer O'Neill's NPI number?

Dr. Jacqueline Jennifer O'Neill's NPI number is 1588153886. It was assigned on May 2, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Jacqueline Jennifer O'Neill?

Dr. Jacqueline Jennifer O'Neill is an internist in Orange, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Jacqueline Jennifer O'Neill practice?

Dr. O'Neill practices at 101 City Drive South, Orange, CA 92868. Dr. O'Neill's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. O'Neill to 1 medical group.

What is Dr. Jacqueline Jennifer O'Neill's office phone number?

The practice phone on file for Dr. O'Neill is (714) 456-7890.

What is Dr. Jacqueline Jennifer O'Neill's medical license number?

Dr. O'Neill holds New Mexico license MD2021-0682, one of the licenses on file in 2 states.

Which states has Dr. Jacqueline Jennifer O'Neill been licensed in?

Dmand AI has state licenses on file for Dr. O'Neill in New Mexico and Arizona.

Which hospitals is Dr. Jacqueline Jennifer O'Neill affiliated with?

Dr. O'Neill practices at UCI Health - Orange in Orange, California.

What medical group is Dr. Jacqueline Jennifer O'Neill part of?

Dr. O'Neill is linked to UNM Medical Group, Inc. Dmand AI links Dr. O'Neill to 1 more medical group.

Does Dr. Jacqueline Jennifer O'Neill accept Medicare?

Yes. CMS data shows Dr. O'Neill billed Medicare for 253 services in 2024, and Dr. O'Neill accepts Medicare assignment.

What is Dr. Jacqueline Jennifer O'Neill's MIPS score?

Dr. O'Neill's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Jacqueline Jennifer O'Neill see?

CMS counts 96 Medicare patients who saw Dr. O'Neill in 2024, with an average age of 72.

What services does Dr. Jacqueline Jennifer O'Neill bill to Medicare?

In 2024, Dr. O'Neill's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

What drugs does Dr. Jacqueline Jennifer O'Neill prescribe most?

In 2020 Medicare Part D data, Dr. O'Neill's most prescribed drugs by claims were Metoprolol Tartrate, Amlodipine Besylate and Escitalopram Oxalate.

Has Dr. Jacqueline Jennifer O'Neill received payments from drug or device companies?

CMS Open Payments shows $122 in general payments to Dr. O'Neill from 1 company from 2024 to 2024. The largest total came from Mallinckrodt Hospital Products Inc.

How long has Dr. Jacqueline Jennifer O'Neill been practicing?

Dr. O'Neill graduated from medical school in 2018, 8 years ago.

Does Dr. Jacqueline Jennifer O'Neill do research?

Dmand AI links 6 publications to Dr. O'Neill, published from 2016 to 2017.

Who does Dr. Jacqueline Jennifer O'Neill publish with?

Dr. O'Neill's most frequent co-authors are Eyas Alkhalili (3 shared papers) and Itzhak Nir (3 shared papers).

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