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Dr. Mark Horowitz , MD

Urology • Flushing, NY

Active NPI 1881689008 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

5645 Main St, W-Ll300
Flushing, NY 113555045

Call 7184450220 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

5645 Main St
W-Ll300

Flushing, NY 113555045

Telephone 7184450220
Fax 7189391167
Organization at the Same NPPES Address or Phone
Booth Medical Associates Pc Facility NPI 1912996703

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: New York University. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

New York Medical College

Graduation Year

1986

30-day fills

22 standardized 30-day fills in 2013

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$106 in 2013

The total cost of these prescriptions in 2013, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2013.

Open Payments general payments, program year 2024

All general payments: $173.42 across 3 records.

By nature of payment

  • Food and Beverage: $173.42 across 3 records.

Reporting-company totals

  • Teleflex LLC: $129.08 across 1 record.
  • Sanofi and Genzyme US Companies: $30.01 across 1 record.
  • ABBVIE INC.: $14.33 across 1 record.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2024 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

40 years (graduated 1986)

CMS Doctors and Clinicians data list 1986 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2005

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Horowitz has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Horowitz as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Flushing and New York

Billing and prescribing volume is not a quality rating.

Medicare Part D

Comparisons use 2024 data. The latest CMS data for Dr. Horowitz are from 2013.

18 active clinicians are listed under Urology with a practice address in Flushing, NY (1,091 in New York).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Flushing

22.2% of these 18 clinicians have the CMS telehealth indicator.

72.2% of these 18 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Part D Prescribers (2013), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2024
Disclosure Year:

Program year 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $173.42.

Manufacturer Payment Nature Product Type Amount ($)
Teleflex LLC
Food and Beverage
In-kind items and services
DEFLUX General $129.08
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
KEVZARA General $30.01
ABBVIE INC.
Food and Beverage
In-kind items and services
BOTOX General $14.33

Source: CMS Open Payments, program year 2024, released June 30, 2026.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2013.

CMS Part D · Data Year 2013
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Lisinopril Lisinopril 22 660 $105.51 —

Source: CMS Part D by Provider and Drug, 2013; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

License # reported to NPPES NY 172766

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Urology - Pediatric Urology

NUCC Taxonomy Code: 2088P0231X

License # reported to NPPES NY 172766

Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: New York Office of the Professions.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
01562707 (NY)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - UROLOGY

Medicare Enrollment ID

I20040406001821

Enrollment State Jurisdiction

NY

PECOS Control ID

4981697737

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

New York University

1991 Marcus Ave, New Hyde Park, NY 110422058

Phone: 5163654949

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

28 listed
NPI 1699095513

Doctor of Medicine (M.D.)

NPI 1154395473

Doctor of Medicine (M.D.)

NPI 1033370028

Doctor of Medicine (M.D.)

Ronald Combs , PA

Physician Assistant - Surgical

NPI 1003861196

Physician Assistant

NPI 1336232735

Doctor of Medicine (M.D.)

Dr. Rajeev Dayal , MD

Surgery - Vascular Surgery

NPI 1457331613

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated September 14, 2005.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1881689008
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 14, 2005
Last Update: July 30, 2015
Sole Proprietor: No

Other Urology Specialists in Flushing

All Urology Specialists in Flushing

Mailing Address

5645 Main St, W-Ll300

Flushing, NY 113555045

Phone: 7184450220

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.