KAREN ELISA HORWITZ MD
NPI 1790793560
Radiology - Diagnostic Radiology in Rockville Centre, NY

Q: What is Karen Horwitz's NPI number?

The NPI number for Karen Horwitz is 1790793560. It was assigned to this individual provider in the NPPES registry on August 4, 2006. The provider is also known as Karen Elisa Bernstein MD.

Q: What is Karen Horwitz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Karen Horwitz was last updated on March 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment

91.25/100

CMS Quality Rating

1000 N VILLAGE AVE, RADIOLOGY DEPARTMENT, ROCKVILLE CENTRE, NY 11570(952) 595-1100(612) 294-4903 Get Directions Write a Review

NPPES record last updated: March 24, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Karen Elisa Horwitz Md NPPES

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

KAREN ELISA HORWITZ MD (NPI 1790793560) is an individual diagnostic radiology provider in Rockville Centre, New York, licensed in New York (183152) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1989).

NPPES Registry Identity

NPI1790793560

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameKAREN ELISA HORWITZCredential: MD

Location Address1000 N VILLAGE AVE, RADIOLOGY DEPARTMENTRockville Centre, NY 11570-1000

Mailing Address52 Main StBedford Hills, NY 10507-1814 · (914) 666-2220 · Fax (914) 666-2987

Phone(952) 595-1100

Fax(612) 294-4903

Sole ProprietorNo

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1989

Enumeration DateAugust 4, 2006

Last NPPES UpdateMarch 24, 2016

✔ NPI 1790793560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in NY · 183152✔ Licensed in NJ · 25MA09014900

Definition

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

1000 N VILLAGE AVE, Rockville Centre, NY 11570

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Other Names 1

Former Name (1)Karen Elisa Bernstein Md

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

Karen Elisa Horwitz Md 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 ID4789688805

PECOS Enrollment IDI20060905000030

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 Karen Horwitz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore - Lij Medical PC

6.0 mi

Internal Medicine

270-05 76TH AVE
New Hyde Park, NY 11040

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

NPI 1790043479 (516) 465-8089

Southside Faculty Medical Affiliates University Faculty Practice Corp

7.9 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

Interfaith Professional Physician Services, P.C.

16 mi

Surgery

1545 ATLANTIC AVENUE, FACULTY PRACTICE
Brooklyn, NY 11213

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Interfaith Professional Physician Services PC
635 clinicians in this Medicare group

NPI 1457643991 (718) 240-8352

Montefiore Mount Vernon Hospital

19 mi

General Acute Care Hospital

12 N 7TH AVE
Mount Vernon, NY 10550

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

NPI 1013345065 (914) 664-8000

Montefiore New Rochelle Hospital

23 mi

General Acute Care Hospital

100 CORPORATE DR, PROVIDER INFORMATION
Yonkers, NY 10701

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

NPI 1295163244 (914) 377-4722

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 22

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.

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.

498 services495 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.

269 services267 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.

234 services233 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.

180 services179 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

158 services156 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.

141 services141 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.

134 services134 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

117 services117 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

91 services89 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.

74 services74 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.

38 services38 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.

35 services35 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.

34 services33 patients

Ct scan of abdomen and pelvis with contrast 74177

30 services29 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.

28 services28 patients

Ultrasound scan of scrotum 76870

An ultrasound scan of the scrotum is a non-invasive imaging test. It uses sound waves to create pictures of the structures within the lower abdominal area. This helps to assess any discomfort or abnormalities you might be experiencing. The procedure is safe and painless.

27 services27 patients

Ct scan of chest with contrast 71260

20 services19 patients

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

15 services15 patients

Ct scan of abdomen and pelvis before and after contrast 74178

14 services14 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

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.

12 services12 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

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

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330185

Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County

Emergency services

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11570 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.

NOELLE DURFEE PA-C

Physician Assistant