KEIRA JOY O'REILLY PA
NPI 1891378873
Physician Assistant in Greenwich, CT

Active since April 28, 2021PECOS EnrolledAccepts Medicare Assignment
89.86/100
CMS Quality Rating
6 GREENWICH OFFICE PARK, GREENWICH, CT 06831(203) 869-1145 Get Directions Write a Review

NPPES record last updated: September 21, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 21, 2021, Apr 28, 2021 (2 updates tracked since 2021).

About Keira Joy O'reilly Pa NPPES

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

KEIRA JOY O'REILLY PA (NPI 1891378873) is an individual physician assistant in Greenwich, Connecticut, licensed in Connecticut (5376) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1891378873
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKEIRA JOY O'REILLYCredential: PA
Location Address6 GREENWICH OFFICE PARKGreenwich, CT 06831-5151
Mailing Address6 Greenwich Office ParkGreenwich, CT 06831-5151
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 28, 2021
Last NPPES UpdateSeptember 21, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2021
NPI 1891378873 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 CT · 5376
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.
6 GREENWICH OFFICE PARK, Greenwich, CT 06831

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

Keira Joy O'reilly Pa 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 ID6204233711
PECOS Enrollment IDI20210927001907
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 4

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.

Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
29 services29 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
29 services29 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services18 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06831 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

89.86/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.17
Promoting Interoperability100
Improvement Activities40
Cost73.04

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.

Physical Therapist
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831
Orthopaedic Surgery (Hand Surgery)
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831
Physical Therapist
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831
Orthopaedic Surgery
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831
Orthopaedic Surgery
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831
Physical Therapy Assistant
6 GREENWICH OFFICE PARK, 40 VALLEY DRIVE
GREENWICH, CT 06831
Physical Therapist
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831
Orthopaedic Surgery
6 GREENWICH OFFICE PARK
GREENWICH, CT 06831

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 Keira O'reilly's NPI number?

The NPI number for Keira O'reilly is 1891378873. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Where is Keira O'reilly located?

Keira O'reilly practices at 6 Greenwich Office Park, Greenwich, CT 06831. The listed phone number is (203) 869-1145.

What is Keira O'reilly's specialty?

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

Is Keira O'reilly enrolled in Medicare?

Yes. Keira O'reilly 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 Keira O'reilly was last updated on September 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.