Ashley J. O'Neill

  • Plainview, NY
  • Physician assistant
NPI1356883292PAC ID5991081507
Medicare services, 2024
18
Medicare patients, 2024
22
Part D claims, 2024
95
MIPS score, 2024
93
Hospital affiliations
3
Practice address
888 Old Country Road, Plainview, NY 11803
Practice phone
Call (516) 719-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Plainview Hospital

Hospital · Plainview, New York

See all 5 affiliations

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Ashley J. O'Neill is a physician assistant in Plainview, New York

Ashley O'Neill practices at Plainview Hospital in Plainview, New York, part of Northwell Health.

Ashley O'Neill's NPI, 1356883292, was assigned on November 9, 2016. Ashley O'Neill holds New York license 020396.

NPI and contact details
Medicare PAC ID
5991081507
NPI enumeration date
November 9, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 719-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

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

Ashley J. O'Neill practices at Plainview Hospital in Plainview, New York

Ashley O'Neill's primary practice is Plainview Hospital, at 888 Old Country Road, Plainview, NY 11803 in Nassau County. The practice phone is (516) 719-3000.

  • Plainview Hospital
    888 Old Country Road, Plainview, NY 11803 · Nassau CountyPhone(516) 719-3000

Source: Dmand AI Affiliation Data

Ashley J. O'Neill is affiliated with 3 sites of care and 2 medical groups

Ashley O'Neill's primary practice is Plainview Hospital in Plainview, New York, part of Northwell Health. Ashley O'Neill is also affiliated with North Shore University Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Ashley O'Neill to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Ashley O'Neill

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

Dmand AI tracks the EHR system at Ashley J. O'Neill's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ashley O'Neill practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Plainview HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Ashley J. O'Neill is one of 11,456 physician assistants in New York

Physician assistant is Ashley O'Neill's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ashley O'Neill is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 020396 · taxonomy 363A00000X

Physician assistants near Ashley O'Neill

Counts of physician assistants 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

Ashley J. O'Neill billed Medicare for 18 services in 2024

CMS data shows 18 Medicare services from Ashley O'Neill across 1 procedure code in 2024, for 22 Medicare patients. Medicare paid $1,096 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202418
Medicare patients22
Paid by Medicare$1,096
Procedure codes1

Ashley O'Neill compared with the New York median for physician assistants, 2024

  • Ashley O'Neill
  • New York median
Medicare services
18vs 17690% below
Medicare patients
22vs 7872% below
Part D claims
18vs 24593% below

Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.

Ashley 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

Ashley J. O'Neill treated 22 Medicare patients in 2024, average age 77

CMS counts 22 Medicare patients who saw Ashley O'Neill in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Ashley O'Neill's median patient age at 75, with 89% women.

Medicare patients, 202422
Average age77
Average risk score2.69

Ashley O'Neill's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Ashley O'Neill's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis68%
  4. Ischemic heart disease59%

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

Ashley 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 75

Patient panel by sex, all payers

  • Women89%
  • Men11%

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

Ashley J. O'Neill wrote 95 Medicare Part D claims in 2024

In 2024, Ashley O'Neill wrote 95 Medicare Part D claims for 45 patients. 68% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $20 in total drug cost.

Part D claims, 202495
Drugs named by CMS1
Total drug cost$20
Part D patients45

Ashley O'Neill's Part D claims by kind of drug, 2024

  • Generic65 claims68%
  • Brand-name19 claims20%
  • Other11 claims12%

Ashley O'Neill'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.

Drug classes CMS tracks in Ashley O'Neill's Part D claims, 2024

  • Opioids21%20 of 95 claims
  • Antibiotics27%26 of 95 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Ashley O'Neill

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

Ashley J. O'Neill scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Ashley O'Neill for performance year 2024, reported through an alternative payment model (APM). Ashley O'Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Ashley O'Neill's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

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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Sources for Ashley J. 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)Medicare Part D Prescribers - by Provider (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)
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 Ashley J. 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 Ashley J. O'Neill's NPI number?

Ashley J. O'Neill's NPI number is 1356883292. It was assigned on November 9, 2016, and it is active in the NPI Registry.

What does Ashley J. O'Neill specialize in?

Ashley J. O'Neill is a physician assistant in Plainview, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Ashley J. O'Neill practice?

Ashley O'Neill practices at 888 Old Country Road, Plainview, NY 11803. Ashley O'Neill's primary practice is Plainview Hospital in Plainview, New York, part of Northwell Health. Dmand AI also links Ashley O'Neill to 1 hospital and 1 medical group.

What is Ashley J. O'Neill's office phone number?

The practice phone on file for Ashley O'Neill is (516) 719-3000.

What is Ashley J. O'Neill's medical license number?

Ashley O'Neill holds New York license 020396.

Which hospitals is Ashley J. O'Neill affiliated with?

Ashley O'Neill practices at Plainview Hospital in Plainview, New York. Ashley O'Neill is also affiliated with North Shore University Hospital. Dmand AI links Ashley O'Neill to 1 more hospital.

What medical group is Ashley J. O'Neill part of?

Ashley O'Neill is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Ashley O'Neill to 1 more medical group.

Does Ashley J. O'Neill accept Medicare?

Yes. CMS data shows Ashley O'Neill billed Medicare for 18 services in 2024, and Ashley O'Neill accepts Medicare assignment.

What is Ashley J. O'Neill's MIPS score?

Ashley O'Neill's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Ashley J. O'Neill see?

CMS counts 22 Medicare patients who saw Ashley O'Neill in 2024, with an average age of 77.

Show 3 more questionsShow fewer questions

What services does Ashley J. O'Neill bill to Medicare?

In 2024, Ashley O'Neill's most billed Medicare services were hospital inpatient care (99232).

What drugs does Ashley J. O'Neill prescribe most?

In 2024 Medicare Part D data, Ashley O'Neill's most prescribed drugs by claims were Oxycodone HCl.

How long has Ashley J. O'Neill been practicing?

Ashley O'Neill graduated from medical school in 2016, 10 years ago.

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