Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GARY A. GWERTZMAN M.D.
NPI 1871571679
Surgery - Vascular Surgery in Brooklyn, NY

Active since January 03, 2006PECOS Enrolled
450 CLARKSON AVE, SUITE H, BROOKLYN, NY 11203(718) 270-1035(718) 270-2826 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gary A. Gwertzman M.d. NPPES

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

DR. GARY A. GWERTZMAN M.D. (NPI 1871571679) is an individual vascular surgery provider in Brooklyn, New York, licensed in New York (193557-1) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Beth Israel, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1991).

NPPES Registry Identity

NPI1871571679
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. GARY A. GWERTZMANCredential: M.D.
Location Address450 CLARKSON AVE, SUITE HBrooklyn, NY 11203-2056
Mailing Address450 Clarkson Ave, Box 1262Brooklyn, NY 11203-2056 · (718) 270-8867 · Fax (718) 270-1794
Fax(718) 270-2826
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1991
Enumeration DateJanuary 3, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1871571679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License Licensed in NY · 193557-1
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
450 CLARKSON AVE, Brooklyn, NY 11203

Other Identifiers 1

MedicaidO1441501NY

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. Gary A. Gwertzman 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 ID2860404522
PECOS Enrollment IDI20060620000154
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 18

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 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.
361 services167 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.
189 services184 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.
85 services85 patients
Strapping, unna boot 29580
An Unna Boot is a special bandage, soaked in a gel, wrapped around your lower leg and foot. It helps heal leg sores, improve circulation, and reduce swelling. The boot hardens and provides compression, promoting healing and comfort.
80 services25 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.
78 services73 patients
Ultrasound of leg arteries or artery grafts 93925
An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.
67 services66 patients

Hospital Affiliations CMS Care Compare

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

Mount Sinai Beth Israel

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330169
LocationFirst Avenue At 16th StreetNew York, NY 10003 · New York County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11203 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.

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.

Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203

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 Gary Gwertzman's NPI number?

The NPI number for Gary Gwertzman is 1871571679. It was assigned to this individual provider in the NPPES registry on January 3, 2006.

Where is Gary Gwertzman located?

Gary Gwertzman practices at 450 Clarkson Ave Suite H, Brooklyn, NY 11203. The listed phone number is (718) 270-1035.

What is Gary Gwertzman's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Gary Gwertzman enrolled in Medicare?

Yes. Gary Gwertzman 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 Gary Gwertzman affiliated with any hospitals?

According to CMS data, Gary Gwertzman is affiliated with Mount Sinai Beth Israel.

When was this NPI record last updated?

The NPPES record for Gary Gwertzman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.