DR. MALLORY SCHLESINGER M.D.
NPI 1437531191
Radiology - Diagnostic Radiology in Manhasset, NY

Q: What is Mallory Schlesinger's NPI number?

The NPI number for Mallory Schlesinger is 1437531191. It was assigned to this individual provider in the NPPES registry on June 18, 2015.

Q: What is Mallory Schlesinger's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since June 18, 2015PECOS EnrolledAccepts Medicare Assignment

91.25/100

CMS Quality Rating

300 COMMUNITY DR, MANHASSET, NY 11030(516) 562-4800 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 21, 2021, Apr 14, 2021, Aug 15, 2019 and 1 more (4 updates tracked since 2018).

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About Dr. Mallory Schlesinger M.d. NPPES

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

DR. MALLORY SCHLESINGER M.D. (NPI 1437531191) is an individual diagnostic radiology provider in Manhasset, New York, licensed in New York (309563) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1437531191

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. MALLORY SCHLESINGERCredential: M.D.

Location Address300 COMMUNITY DRManhasset, NY 11030-3816

Mailing Address201 S 18th St Apt 1505Philadelphia, PA 19103-5926 · (516) 456-6744

Phone(516) 562-4800

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJune 18, 2015

Last NPPES UpdateApril 21, 20214 updates tracked since enumeration

NPPES CertifiedApril 21, 2021

✔ NPI 1437531191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in NY · 309563

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

300 COMMUNITY DR, Manhasset, NY 11030

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Secondary Practice Locations 3

Location 1222 Station Plz N, Suite 509Mineola, NY 11501-3800 · Phone (516) 663-2381 · Fax (516) 663-8796

Location 2132 S 10th St, 10th Floor MainPhiladelphia, PA 19107-5244 · Phone (215) 955-6000 · Fax (215) 923-1562

Location 33400 Spruce St, Dept of RadiologyPhiladelphia, PA 19104-4238 · Phone (215) 662-3046 · Fax (215) 349-5627

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mallory Schlesinger M.d. 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 ID2860799970

PECOS Enrollment IDI20210621000104

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.

Medicare Billing Reassignments

Medicare enrollment records show Mallory Schlesinger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore-Lij Medical PC

0.6 mi

Urology

1010 NORTHERN BLVD STE 110
Great Neck, NY 11021

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1053688572 (516) 321-7400

Southside Faculty Medical Affiliates University Faculty Practice Corp

13 mi

Body Imaging

1220 HICKSVILLE RD
Seaford, NY 11783

Reassigned Medicare billing, New York enrollment
391 clinicians in this Medicare group

NPI 1033791058 (516) 266-3456

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 21

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,100 services11 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

440 services428 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

335 services321 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

135 services135 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

88 services88 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

80 services75 patients

Ct scan of abdomen and pelvis with contrast 74177

52 services52 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

49 services48 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

35 services35 patients

Ct scan of chest with contrast 71260

29 services29 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

24 services24 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

24 services24 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

23 services23 patients

Mri scan of abdomen before and after contrast 74183

19 services19 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

18 services17 patients

Ct scan of abdomen and pelvis before and after contrast 74178

16 services15 patients

Ct scan of abdomen and pelvis without contrast 74176

15 services15 patients

Ct scan of abdominal aorta and both leg arteries with contrast 75635

A CT scan of the abdominal aorta and both leg arteries with contrast is a medical imaging procedure. A special dye is injected to make your blood vessels visible on the scan. This helps to check for any blockages or abnormalities in these areas.

14 services14 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

13 services12 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

11 services11 patients

Ultrasound scan of transplanted kidney 76776

An ultrasound scan of a transplanted kidney is a non-invasive imaging procedure. It uses sound waves to produce images of your kidney, helping to monitor its health and function. This test helps detect any potential issues early, ensuring the kidney is working properly.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Ns/Lij Hs Southside Hospital

Acute Care Hospitals · Bay Shore, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330043

Location301 East Main StreetBay Shore, NY 11706 · Suffolk County

Emergency services Birthing friendly

Ns/Lij Hs Huntington Hospital

Acute Care Hospitals · Huntington, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330045

Location270 Park AvenueHuntington, NY 11743 · Suffolk County

Emergency services Birthing friendly

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330195

Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County

Emergency services Birthing friendly

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330261

Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11030 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

Quality

74.92

Promoting Interoperability

91.67

Improvement Activities

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.

SAMIT SHAH M.D.

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)

300 COMMUNITY DR
MANHASSET, NY 11030

Nassau County (516) 562-1427

DR. SAMANTHA LING PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

300 COMMUNITY DR
MANHASSET, NY 11030

Nassau County (516) 562-8761

DR. DIANA RACHAEL NORDQUIST MD

Anesthesiology

300 COMMUNITY DR
MANHASSET, NY 11030

Nassau County (516) 562-8630

DR. STEPHEN JOHN CIPOT IV D.O.

Emergency Medicine

300 COMMUNITY DR
MANHASSET, NY 11030

Nassau County (516) 684-7598

MR. JOSE LUIS CRUZ PA-C

Physician Assistant

300 COMMUNITY DR, NORTH SHORE UNIVERSITY HOSPITAL
MANHASSET, NY 11030

Nassau County (516) 562-3683

SARAH BETH KORNHABER C.R.N.A.

Nurse Anesthetist, Certified Registered

300 COMMUNITY DR, DEPT OF ANESTHESIA
MANHASSET, NY 11030

Nassau County (516) 562-4887

YUSON CHONG NP

Nurse Practitioner (Acute Care)

300 COMMUNITY DR
MANHASSET, NY 11030

Nassau County (516) 562-2252

THERESA MARY MOUZAKITIS PA

Physician Assistant

300 COMMUNITY DR
MANHASSET, NY 11030

Nassau County (516) 662-5100

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 Schlesinger's NPI number?

The NPI number for Mallory Schlesinger is 1437531191. It was assigned to this individual provider in the NPPES registry on June 18, 2015.

Where is Mallory Schlesinger located?

Mallory Schlesinger practices at 300 Community Dr, Manhasset, NY 11030. The listed phone number is (516) 562-4800.

What is Mallory Schlesinger's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mallory Schlesinger enrolled in Medicare?

Yes. Mallory Schlesinger 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.

Which organizations bill Medicare for Mallory Schlesinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Schlesinger reassigns Medicare benefits to 2 organizations: North Shore-Lij Medical PC (Great Neck, NY) and Southside Faculty Medical Affiliates University Faculty Practice Corp (Seaford, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mallory Schlesinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mallory Schlesinger affiliated with any hospitals?

According to CMS data, Mallory Schlesinger is affiliated with Ns/Lij Hs Southside Hospital, Ns/Lij Hs Huntington Hospital, North Shore University Hospital, Long Island Jewish Medical Center and Phelps Hospital.

When was this NPI record last updated?

The NPPES record for Mallory Schlesinger was last updated on April 21, 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.