ASHLEY O'NEILL
NPI 1356883292
Physician Assistant in West Islip, NY

Active since November 09, 2016PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-3000 Get Directions Write a Review

NPPES record last updated: November 9, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ashley O'neill NPPES

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

ASHLEY O'NEILL (NPI 1356883292) is an individual physician assistant in West Islip, New York, licensed in New York (020396) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1356883292
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameASHLEY O'NEILL
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing Address420 Marcellus RdMineola, NY 11501-1428 · (516) 319-7477
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateNovember 9, 2016
NPI 1356883292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in NY · 020396
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1000 MONTAUK HWY, West Islip, NY 11795

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

Ashley O'neill 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 ID5991081507
PECOS Enrollment IDI20170414000612
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

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.
18 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11795 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

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.

Obstetrics & Gynecology
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Emergency Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Anesthesiology
1000 MONTAUK HWY, GOOD SAMARITAN HOSPITAL MEDICAL CENTER
WEST ISLIP, NY 11795
Internal Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Physician Assistant
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Registered Nurse
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795

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 Ashley O'neill's NPI number?

The NPI number for Ashley O'neill is 1356883292. It was assigned to this individual provider in the NPPES registry on November 9, 2016.

Where is Ashley O'neill located?

Ashley O'neill practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-3000.

What is Ashley O'neill's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Ashley O'neill enrolled in Medicare?

Yes. Ashley 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.

When was this NPI record last updated?

The NPPES record for Ashley O'neill was last updated on November 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.