MALLORY JOAN BEGLEY PA-C
NPI 1457834046
Physician Assistant - Surgical in New York, NY

Active since September 11, 2018PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
100 E 77TH ST, NEW YORK, NY 10075(212) 434-3000 Get Directions Write a Review

NPPES record last updated: February 9, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 9, 2021, Sep 11, 2018 (2 updates tracked since 2018).

About Mallory Joan Begley Pa-c NPPES

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

MALLORY JOAN BEGLEY PA-C (NPI 1457834046) is an individual surgical provider in New York, New York, licensed in New York (022759) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and maintains a secondary practice location in Bronx.

NPPES Registry Identity

NPI1457834046
Entity TypeIndividualFemale
Primary Taxonomy363AS0400X
Provider Legal NameMALLORY JOAN BEGLEYCredential: PA-C
Location Address100 E 77TH STNew York, NY 10075-1850
Mailing Address100 E 77th StNew York, NY 10075-1850 · (212) 434-3000
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2018
Enumeration DateSeptember 11, 2018
Last NPPES UpdateFebruary 9, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2021
NPI 1457834046 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in NY · 022759
100 E 77TH ST, New York, NY 10075

Secondary Practice Location 1

Location 1111 E 210th StBronx, NY 10467-2401 · Phone (718) 920-4321

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

Mallory Joan Begley Pa-c 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 ID3274968649
PECOS Enrollment IDI20200113000659
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.

Insertion of tube for infusion (5 years or older) 36569
This procedure involves placing a small, flexible tube into a vein, usually in the arm. It's done to allow quick, efficient delivery of fluids or medications directly into the bloodstream. It's a common, safe process that helps manage various health conditions.
88 services83 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
32 services32 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
27 services27 patients

Hospital Affiliations CMS Care Compare

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

Lenox Hill Hospital

Acute Care Hospitals · New York, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330119
Location100 East 77th StreetNew York, NY 10021 · New York County
Emergency services Birthing friendly

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

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers15 claims15 services$15.31 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers15 claims15 services$72.37 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner (Neonatal, Critical Care)
100 E 77TH ST
NEW YORK, NY 10075
Physician Assistant
100 E 77TH ST
NEW YORK, NY 10075
Student in an Organized Health Care Education/Training Program
100 E 77TH ST
NEW YORK, NY 10075
Student in an Organized Health Care Education/Training Program
100 E 77TH ST
NEW YORK, NY 10075
Student in an Organized Health Care Education/Training Program
100 E 77TH ST
NEW YORK, NY 10075
Physician Assistant
100 E 77TH ST
NEW YORK, NY 10075
Anesthesiology
100 E 77TH ST
NEW YORK, NY 10075
Nurse Practitioner (Acute Care)
100 E 77TH ST
NEW YORK, NY 10075

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 Mallory Begley's NPI number?

The NPI number for Mallory Begley is 1457834046. It was assigned to this individual provider in the NPPES registry on September 11, 2018.

Where is Mallory Begley located?

Mallory Begley practices at 100 E 77th St, New York, NY 10075. The listed phone number is (212) 434-3000.

What is Mallory Begley's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Mallory Begley enrolled in Medicare?

Yes. Mallory Begley 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 Mallory Begley affiliated with any hospitals?

According to CMS data, Mallory Begley is affiliated with Lenox Hill Hospital.

When was this NPI record last updated?

The NPPES record for Mallory Begley was last updated on February 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.