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KATHERINE ANN MALLOY PA
NPI 1235624776
Physician Assistant in Stony Brook, NY

Active since June 27, 2018PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
HSC T12, ROOM 080, STONY BROOK, NY 11794(631) 444-1116(631) 444-1535 Get Directions Write a Review

NPPES record last updated: April 6, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 6, 2022, Jun 27, 2018 (2 updates tracked since 2018).

About Katherine Ann Malloy Pa NPPES

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

KATHERINE ANN MALLOY PA (NPI 1235624776) is an individual physician assistant in Stony Brook, New York and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1235624776
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHERINE ANN MALLOYCredential: PA
Location AddressHSC T12, ROOM 080Stony Brook, NY 11794-8122
Mailing Address22 Shari LnEast Northport, NY 11731-4817 · (631) 747-3832
Phone(631) 444-1116
Fax(631) 444-1535
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 27, 2018
Last NPPES UpdateApril 6, 20222 updates tracked since enumeration
NPPES CertifiedApril 6, 2022
✔ NPI 1235624776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
HSC T12, ROOM 080, Stony Brook, NY 11794
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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

Katherine Ann Malloy 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 ID4789935974
PECOS Enrollment IDI20180927001208
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 3

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.

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.
61 services60 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
24 services24 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
19 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

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 Katherine Malloy's NPI number?

The NPI number for Katherine Malloy is 1235624776. It was assigned to this individual provider in the NPPES registry on June 27, 2018.

Where is Katherine Malloy located?

Katherine Malloy practices at Hsc T12, Room 080, Stony Brook, NY 11794. The listed phone number is (631) 444-1116.

What is Katherine Malloy's specialty?

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

Is Katherine Malloy enrolled in Medicare?

Yes. Katherine Malloy 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.

Is Katherine Malloy affiliated with any hospitals?

According to CMS data, Katherine Malloy is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Malloy was last updated on April 6, 2022. 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.