Active NPI 1871571679 Individual Practitioner Male Practitioner

Dr. Gary A. Gwertzman , MD

Surgery - Vascular Surgery • Brooklyn, NY

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Gary Gwertzman, MD is a registered Surgery - Vascular Surgery practitioner in Brooklyn, NY. With approximately 35 years of clinical practice since graduating from Albert Einstein College Of Medicine Of Yeshiva University in 1991, Dr. Gwertzman provides healthcare services at the registered practice location at 450 CLARKSON AVE.

Dr. Gwertzman is affiliated with Icahn School Of Medicine At Mount Sinai and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasound study of arm or leg veins with compression and maneuvers, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

450 Clarkson Ave
Suite H

Brooklyn, NY 112032056

Telephone 7182701035

Fax 7182702826

Associated Practice Facility / Clinic

🏢 University Physicians Of Brooklyn, Inc Facility NPI 1104878180

Medicare Profile & Education

Medical School

Albert Einstein College Of Medicine Of Yeshiva University

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Brooklyn, NY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +0.5 yrs vs City Avg

City Avg: 34.5 Yrs

State Avg: 29.4 Yrs

Regional Practice Density

47 Specialists

Practicing in Brooklyn, NY (431 Statewide)

Telehealth Adoption Rate

6.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

94.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gwertzman (35 Years) 35 Yrs

Brooklyn Specialty Average (34.5 Years) 34.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	361	167	$290.00	$103.68
93970 Ultrasound study of arm or leg veins with compression and maneuvers	189	184	$162.96	$36.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	85	85	$440.00	$128.10
29580 Strapping, unna boot	80	25	$352.60	$77.32
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	78	73	$440.00	$23.00
93925 Ultrasound of leg arteries or artery grafts	67	66	$160.00	$41.65
93880 Ultrasound of both sides of head and neck blood flow	64	63	$160.00	$42.04
93970 Ultrasound study of arm or leg veins with compression and maneuvers	45	45	$760.00	$218.78
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	34	27	$3228.00	$92.58
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	32	27	$961.20	$194.78
75625 Radiological supervision and interpretation X-ray of abdominal aorta	30	28	$252.93	$76.36
93925 Ultrasound of leg arteries or artery grafts	28	23	$1037.50	$272.66
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	23	22	$480.00	$139.47
76937 Ultrasonic guidance for blood vessel access	20	16	$57.00	$15.30
37228 Balloon dilation of artery of leg, initial vessel	15	13	$22690.00	$603.94
93926 Ultrasound of one leg arteries or artery grafts	14	14	$630.00	$151.81
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	14	13	$15960.00	$384.36
93880 Ultrasound of both sides of head and neck blood flow	13	11	$860.00	$222.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	334	171	$290.00	$107.13
93970 Ultrasound study of arm or leg veins with compression and maneuvers	244	233	$140.00	$38.80
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	121	112	$432.23	$24.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	103	$440.00	$134.89
93880 Ultrasound of both sides of head and neck blood flow	86	85	$160.00	$44.83
93925 Ultrasound of leg arteries or artery grafts	80	79	$160.00	$43.23
76937 Ultrasonic guidance for blood vessel access	61	49	$60.00	$17.17
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	57	46	$3228.00	$98.81
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	54	44	$961.20	$245.47
75625 Radiological supervision and interpretation X-ray of abdominal aorta	50	42	$230.00	$80.83
93970 Ultrasound study of arm or leg veins with compression and maneuvers	40	40	$810.00	$232.56
93926 Ultrasound of one leg arteries or artery grafts	30	29	$524.00	$26.40
93925 Ultrasound of leg arteries or artery grafts	28	27	$1070.00	$295.82
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	28	26	$500.00	$147.21
37228 Balloon dilation of artery of leg, initial vessel	24	20	$22690.00	$677.60
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	16	13	$15960.00	$417.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	12	$430.00	$151.03
93926 Ultrasound of one leg arteries or artery grafts	13	12	$630.00	$157.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	255	135	$290.00	$109.94
93970 Ultrasound study of arm or leg veins with compression and maneuvers	250	240	$140.00	$41.40
93880 Ultrasound of both sides of head and neck blood flow	79	79	$160.00	$47.66
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	76	73	$408.29	$25.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	67	67	$440.00	$138.49
93925 Ultrasound of leg arteries or artery grafts	64	62	$160.00	$46.24
76937 Ultrasonic guidance for blood vessel access	52	41	$60.00	$16.19
93970 Ultrasound study of arm or leg veins with compression and maneuvers	42	41	$810.00	$241.36
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	40	34	$4755.96	$235.51
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	40	33	$3228.00	$104.28
75625 Radiological supervision and interpretation X-ray of abdominal aorta	39	35	$230.00	$86.54
93926 Ultrasound of one leg arteries or artery grafts	20	20	$497.50	$28.46
93925 Ultrasound of leg arteries or artery grafts	16	16	$1070.00	$311.34
37228 Balloon dilation of artery of leg, initial vessel	16	14	$22252.50	$703.98
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	12	11	$15960.00	$473.04
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	12	12	$500.00	$153.16
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$540.00	$162.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	284	163	$290.00	$110.62
93970 Ultrasound study of arm or leg veins with compression and maneuvers	264	256	$140.00	$40.10
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	84	80	$368.21	$26.48
93880 Ultrasound of both sides of head and neck blood flow	83	83	$160.00	$46.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	75	75	$440.00	$138.58
93925 Ultrasound of leg arteries or artery grafts	70	69	$160.00	$45.11
76937 Ultrasonic guidance for blood vessel access	66	56	$60.00	$16.44
93970 Ultrasound study of arm or leg veins with compression and maneuvers	52	51	$810.00	$246.19
75630 Review by radiologist of abdominal aorta and both leg arteries image	49	41	$408.57	$118.36
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	43	38	$6748.57	$250.61
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	18	$160.00	$45.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	30	$540.00	$163.45
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	27	24	$469.63	$146.05
93925 Ultrasound of leg arteries or artery grafts	25	24	$1070.00	$321.46
37228 Balloon dilation of artery of leg, initial vessel	21	20	$22690.00	$732.74
93926 Ultrasound of one leg arteries or artery grafts	17	17	$380.59	$28.77
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	12	11	$15960.00	$502.93
36246 Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch	11	11	$5192.73	$322.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	215	211	$609.18	$41.57
99213 Established patient office or other outpatient visit, typically 15 minutes	186	98	$200.00	$61.58
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	89	85	$393.39	$26.39
93925 Ultrasound of leg arteries or artery grafts	84	74	$749.50	$46.73
93880 Ultrasound of both sides of head and neck blood flow	54	54	$699.89	$47.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$540.00	$166.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$310.00	$91.58
76937 Ultrasonic guidance for blood vessel access	40	32	$58.50	$17.17
99213 Established patient office or other outpatient visit, typically 15 minutes	37	21	$290.00	$91.20
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	29	24	$3919.28	$238.39
75630 Review by radiologist of abdominal aorta and both leg arteries image	29	25	$357.76	$118.64
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	12	$160.00	$47.14
93926 Ultrasound of one leg arteries or artery grafts	19	19	$410.00	$29.63
37228 Balloon dilation of artery of leg, initial vessel	16	15	$13820.56	$639.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$430.71	$128.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	399	196	$211.40	$57.79
93970 Ultrasound study of arm or leg veins with compression and maneuvers	322	307	$904.45	$39.85
93880 Ultrasound of both sides of head and neck blood flow	201	197	$930.19	$46.48
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	142	135	$558.50	$26.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	122	121	$322.39	$88.25
93925 Ultrasound of leg arteries or artery grafts	117	113	$1184.52	$45.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	105	100	$540.00	$156.10
29580 Strapping, unna boot	61	17	$373.57	$38.18
76937 Ultrasonic guidance for blood vessel access	57	46	$135.32	$16.39
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	53	45	$6913.57	$262.94
75630 Review by radiologist of abdominal aorta and both leg arteries image	50	43	$746.60	$101.38
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	47	38	$668.15	$101.30
93922 Ultrasound study of arm and leg arteries	44	40	$409.41	$14.95
93926 Ultrasound of one leg arteries or artery grafts	29	28	$711.86	$28.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$700.00	$230.50
37225 Removal of plaque in arteries of leg	19	14	$44588.26	$744.99
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	11	11	$6189.64	$378.63
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	11	11	$916.36	$186.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	510	469	$927.00	$39.78
99213 Established patient office or other outpatient visit, typically 15 minutes	351	192	$330.00	$58.39
93880 Ultrasound of both sides of head and neck blood flow	314	299	$947.00	$46.40
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	188	171	$570.00	$26.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	120	120	$497.43	$88.53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	110	103	$775.65	$232.28
93925 Ultrasound of leg arteries or artery grafts	106	100	$1225.00	$45.98
93922 Ultrasound study of arm and leg arteries	80	76	$421.00	$14.81
93926 Ultrasound of one leg arteries or artery grafts	57	53	$724.00	$28.26
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	48	38	$7493.00	$253.80
76937 Ultrasonic guidance for blood vessel access	48	38	$150.00	$16.41
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	46	37	$745.00	$101.43
75630 Review by radiologist of abdominal aorta and both leg arteries image	34	29	$800.00	$102.25
29580 Strapping, unna boot	25	13	$313.20	$38.06
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	18	15	$1072.00	$172.18
37191 Insertion of vena cava filter by endovascular approach, including radiological supervision and interpretation	13	13	$12508.00	$255.69
37228 Balloon dilation of artery of leg, initial vessel	13	11	$25934.00	$584.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	497	455	$921.33	$40.21
93880 Ultrasound of both sides of head and neck blood flow	331	315	$929.68	$46.41
99213 Established patient office or other outpatient visit, typically 15 minutes	208	114	$285.00	$84.76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	175	161	$871.55	$232.01
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	154	145	$580.39	$25.32
99213 Established patient office or other outpatient visit, typically 15 minutes	145	92	$330.00	$58.20
93922 Ultrasound study of arm and leg arteries	118	109	$444.29	$14.89
93925 Ultrasound of leg arteries or artery grafts	80	79	$1197.81	$45.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	78	78	$447.92	$127.36
93926 Ultrasound of one leg arteries or artery grafts	54	45	$722.63	$28.18
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	46	42	$6716.52	$265.51
76937 Ultrasonic guidance for blood vessel access	45	41	$139.44	$16.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$499.00	$87.94
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	40	36	$670.75	$66.11
75630 Review by radiologist of abdominal aorta and both leg arteries image	29	27	$979.31	$102.11
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	21	20	$3705.00	$314.05
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	20	16	$882.80	$46.54
37191 Insertion of vena cava filter by endovascular approach, including radiological supervision and interpretation	20	20	$12198.40	$258.31

Medical Specialties & State Licenses

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License NY 193557-1

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

O1441501 (NY)

Hospital & Practice Group Affiliations

Icahn School Of Medicine At Mount Sinai

1 Gustave L Levy Pl, New York, NY 100296504

Phone: 2122416500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

11 Associated Practitioners

Dr. Svetlana Kleyman , MD

Student in an Organized Health Care Education/Training Program

NPI 1073834776

Doctor of Medicine (M.D.)

Dr. Nabil Sumrani , MD

Surgery

NPI 1215915822

Doctor of Medicine (M.D.)

Tiara Simon , PA-C

Physician Assistant

NPI 1245706704

Physician Assistant (Certified)

Dr. Michael Homsy , MD, CM

Student in an Organized Health Care Education/Training Program

NPI 1245895994

Doctor of Medicine (M.D.), CM

Dr. Dale Distant , MD

Surgery

NPI 1285612077

Doctor of Medicine (M.D.)

Dr. Alexander Schwartzman , MD

Surgery

NPI 1356329072

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 450 CLARKSON AVE, SUITE H, BROOKLYN, NY 112032056 (Tel: 7182701035)

📍

Updated Business Mailing Address July 08, 2007

Registered at 450 CLARKSON AVE, BOX 1262, BROOKLYN, NY 112032056 (Tel: 7182708867)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as GARY GWERTZMAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #193557-1 in NY)

🟢

Initial NPI Registration & Enumeration January 03, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1871571679

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 03, 2006

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

450 Clarkson Ave, Box 1262

Brooklyn, NY 112032056

Phone: 7182708867

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.