DR. MATTHEW O. HOROWITZ M.D.
NPI 1225110901
Internal Medicine - Gastroenterology in Great Neck, NY

Q: What is Matthew Horowitz's NPI number?

The NPI number for Matthew Horowitz is 1225110901. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Q: What is Matthew Horowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Horowitz was last updated on December 3, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 20, 2006PECOS EnrolledAccepts Medicare Assignment

91.25/100

CMS Quality Rating

560 NORTHERN BLVD, SUITE 203, GREAT NECK, NY 11021(516) 482-0600(516) 829-9674 Get Directions Write a Review

NPPES record last updated: December 3, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Matthew O. Horowitz M.d. NPPES

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

DR. MATTHEW O. HOROWITZ M.D. (NPI 1225110901) is an individual gastroenterology provider in Great Neck, New York, licensed in New York (197394) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1992).

NPPES Registry Identity

NPI1225110901

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MATTHEW O. HOROWITZCredential: M.D.

Location Address560 NORTHERN BLVD, SUITE 203Great Neck, NY 11021-5100

Mailing Address560 Northern Blvd, Suite 203Great Neck, NY 11021-5100 · (516) 482-0600 · Fax (516) 829-9674

Phone(516) 482-0600

Fax(516) 829-9674

Sole ProprietorNo

Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1992

Enumeration DateOctober 20, 2006

Last NPPES UpdateDecember 3, 2009

✔ NPI 1225110901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NY · 197394

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

560 NORTHERN BLVD, Great Neck, NY 11021

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Other Identifiers 2

Medicare ID-Type Unspecified5H6311NY

Medicare UPINH30692NY

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

Dr. Matthew O. Horowitz 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 ID8123120623

PECOS Enrollment IDI20100927000307

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 14

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 moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

260 services203 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

130 services130 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.

120 services100 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

119 services112 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

90 services84 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

75 services75 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

65 services65 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

47 services47 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

43 services37 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.

29 services29 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

27 services27 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

26 services26 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

21 services21 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services18 patients

Hospital Affiliations CMS Care Compare 2

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11021 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

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

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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.

STEPHEN SILVERMAN, M.D., P.C.

General Practice

560 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (616) 482-4060

DR. SETH G FRIEDMAN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

560 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 466-6168

DR. SUSAN H WASSERMAN M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

560 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 466-6165

ADAM RICHARD SILVERS M.D.

Specialist

560 NORTHERN BLVD, STE 102
GREAT NECK, NY 11021

Nassau County (516) 504-1600

DR. LAWRENCE B MOLLICK M.D.

Otolaryngology

560 NORTHERN BLVD
GREAT NECK, NY 11021

Nassau County (516) 487-6200

DR. LESLIE S BURSTEIN

Dentist (Periodontics)

560 NORTHERN BLVD, SUITE 205
GREAT NECK, NY 11021

Nassau County (516) 482-8440

DR. STUART BEDNOFF MD

Obstetrics & Gynecology (Gynecology)

560 NORTHERN BLVD, SUITE 103
GREAT NECK, NY 11021

Nassau County (516) 482-8741

KATHY KAHN-BRANDES MD PLLC

Specialist

560 NORTHERN BLVD, SUITE 102
GREAT NECK, NY 11021

Nassau County (516) 504-1600

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 Matthew Horowitz's NPI number?

The NPI number for Matthew Horowitz is 1225110901. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Matthew Horowitz located?

Matthew Horowitz practices at 560 Northern Blvd Suite 203, Great Neck, NY 11021. The listed phone number is (516) 482-0600.

What is Matthew Horowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Matthew Horowitz enrolled in Medicare?

Yes. Matthew Horowitz 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 Matthew Horowitz affiliated with any hospitals?

According to CMS data, Matthew Horowitz is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.

When was this NPI record last updated?

The NPPES record for Matthew Horowitz was last updated on December 3, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.