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Dr. Karen M. Kostroff, MD

(Karen Michele Kostroff, MD)

(5 Ratings)

Specializes in: General Surgery

2001 Marcus Avenue W-270
Lake Success, NY 11042

(516) 775-7676

Dr. Karen M. Kostroff, MD is a general surgeon in Lake Success, NY specializing in general surgery. Dr. Karen M. Kostroff, MD is affiliated with Northwell Health Physician Partners Breast Surgery at Lake Success.

Office Locations

2001 Marcus Avenue W-270
Lake Success, NY 11042

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In The News

“Dr. Karen Kostroff, chief of breast surgery at Northwell Health and a close family friend, said Graver "fell into the rare subset of extraordinary surgeons" and had operated on thousands of...”—"Victims recalled as dedicated to careers, family", Newsday, September 2018

“Jon R. Cohen and Karen M. Kostroff, both surgeons, held a black-tie millennium party for 150 friends and relatives in tents set up on their lawn.”—"THE NEEDIEST CASES; Donations to Needy Fall Behind Last Year's Tally (Published 2000)", New York Times, February 2000

Noteworthy Medicare Patient Procedures Performed by Dr. Karen M. Kostroff, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

deep lymph node biopsy

lymph node biopsy

open lymph node biopsy

surgical lymph node biopsy

In 2023, Dr. Karen M. Kostroff, MD had a list price for deep lymph node biopsy, lymph node biopsy, open lymph node biopsy, and surgical lymph node biopsy that was lower than the list prices billed to Medicare by 95% of providers in related specialties within New York. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Affordability:

lymph node excision

In 2023, Dr. Karen M. Kostroff, MD had a list price for lymph node excision that was lower than the list prices billed to Medicare by 90% of providers in related specialties within New York. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

breast cancer surgery

excision

partial mastectomy

By Affordability:

lymph node procedures

In 2012, among providers in related specialties within New York, Dr. Karen M. Kostroff, MD performed more breast cancer surgery, excision, and partial mastectomy procedures for Medicare patients than 75% of them and she also had a list price for lymph node procedures that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2012 were excision, breast procedures, cancer surgery and open surgery.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	111
cancer surgery	82
diagnostic procedures	81
doctor visit	1001
excision	163
lymph node procedures	52
open surgery	81

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2013 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	111
cancer surgery	75
diagnostic procedures	91
doctor visit	1084
excision	166
lymph node procedures	55
open surgery	91

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	973
Black	14
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	496
From 75 to 84	363
85 and over	134
Less than 65	25

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2013

Hypertension	63
High Cholesterol	66
Stroke	3
Ischemic Heart Disease	33
Depression	13
Chronic Kidney Disease	8
Asthma	7
Osteoperosis	19
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	31
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2014 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	84
cancer surgery	65
diagnostic procedures	75
doctor visit	1057
excision	140
lymph node procedures	56
open surgery	75

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	946
Black	17
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	496
From 75 to 84	353
85 and over	130
Less than 65	20

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2014

Hypertension	62
High Cholesterol	66
Stroke	3
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	7
Asthma	7
Osteoperosis	18
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	31
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2015 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	87
cancer surgery	61
diagnostic procedures	76
doctor visit	1017
excision	137
lymph node procedures	50
open surgery	76

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	1836
Black	34
Hispanic	0
Asian	0
Other	56
Native American	0

**Age**
From 65 to 74	986
From 75 to 84	684
85 and over	266
Less than 65	32

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2015

Hypertension	62
High Cholesterol	67
Stroke	3
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	9
Asthma	7
Osteoperosis	19
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	33
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2016 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	69
cancer surgery	46
diagnostic procedures	69
doctor visit	1010
excision	115
lymph node procedures	46
open surgery	69

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	912
Black	12
Hispanic	0
Asian	0
Other	35
Native American	0

**Age**
From 65 to 74	468
From 75 to 84	342
85 and over	157
Less than 65	11

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2016

Hypertension	63
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	27
Depression	14
Chronic Kidney Disease	12
Asthma	10
Osteoperosis	21
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	31
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2017 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	73
cancer surgery	55
diagnostic procedures	62
doctor visit	1036
excision	117
lymph node procedures	44
open surgery	62

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	930
Black	13
Hispanic	0
Asian	0
Other	53
Native American	0

**Age**
From 65 to 74	492
From 75 to 84	370
85 and over	142
Less than 65	11

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2017

Hypertension	59
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	24
Depression	17
Chronic Kidney Disease	13
Asthma	8
Osteoperosis	21
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	29
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2018 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	103
cancer surgery	76
diagnostic procedures	79
doctor visit	1046
excision	155
lymph node procedures	52
open surgery	79

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	937
Black	11
Hispanic	0
Asian	0
Other	59
Native American	0

**Age**
From 65 to 74	475
From 75 to 84	402
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2018

Hypertension	59
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	24
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	29
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2019 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	109
cancer surgery	68
diagnostic procedures	90
doctor visit	1089
excision	158
lymph node procedures	49
open surgery	90

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	963
Black	13
Hispanic	0
Asian	0
Other	62
Native American	0

**Age**
From 65 to 74	522
From 75 to 84	391
85 and over	131
Less than 65	14

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2019

Hypertension	58
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	25
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	27
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2020 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	76
cancer surgery	54
diagnostic procedures	63
doctor visit	982
excision	117
lymph node procedures	41
open surgery	63

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	861
Black	13
Hispanic	0
Asian	0
Other	61
Native American	0

**Age**
From 65 to 74	473
From 75 to 84	366
85 and over	103
Less than 65	11

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2020

Hypertension	54
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	12
Asthma	6
Osteoperosis	24
Atrial Fibrilation	7
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	24
Dementia	3
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2021 were excision, breast procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	77
cancer surgery	53
diagnostic procedures	65
doctor visit	1041
excision	118
lymph node procedures	41
open surgery	65

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	935
Black	12
Hispanic	0
Asian	0
Other	59
Native American	0

**Age**
From 65 to 74	499
From 75 to 84	404
85 and over	107
Less than 65	15

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2021

Hypertension	58
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	12
Asthma	6
Osteoperosis	28
Atrial Fibrilation	7
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	22
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2022 were excision, breast procedures, cancer surgery and open surgery.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	27
cancer surgery	27
diagnostic procedures	19
doctor visit	1078
excision	46
lymph node procedures	19
open surgery	19

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	935
Black	16
Hispanic	13
Asian	11
Other	63
Native American	0

**Age**
From 65 to 74	467
From 75 to 84	431
85 and over	127
Less than 65	13

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2022

Hypertension	65
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	7
Asthma	9
Osteoperosis	38
Atrial Fibrilation	11
Heart Failure	5
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	3
Cancer	75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY during 2023 were excision, breast procedures, cancer surgery and open surgery.

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

breast procedures	36
cancer surgery	36
diagnostic procedures	23
doctor visit	1116
excision	59
lymph node procedures	23
open surgery	23

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Non-Hispanic White	983
Black	12
Hispanic	14
Asian	11
Other	60
Native American	0

**Age**
From 65 to 74	452
From 75 to 84	469
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD in 2023

Hypertension	65
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	18
Depression	15
Chronic Kidney Disease	7
Asthma	11
Osteoperosis	39
Atrial Fibrilation	12
Heart Failure	5
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	3
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Karen M. Kostroff, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen M. Kostroff, MD treated as a general surgeon in Lake Success, NY were excision, breast procedures, open surgery and diagnostic procedures.

breast procedures	80
cancer surgery	58
diagnostic procedures	66
doctor visit	1046
excision	124
lymph node procedures	44
open surgery	66

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Karen M. Kostroff, MD.

**Ethnicity**
Black / African American	13
Asian / Pacific Islander	1
Non-Hispanic White	934
Hispanic	2
Native American / Alaskan Native	0
Other	44

**Age**
75 to 84	381
85 and over	108
Less than 65	12
65 to 74	485

Average of Total of Conditions of Medicare patients treated by Dr. Karen M. Kostroff, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Karen M. Kostroff, MD treated were cancer, high cholesterol, hypertension and diabetes.

Hypertension	55
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	23
Depression	14
Chronic Kidney Disease	9
Asthma	6
Osteoporosis	23
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	25
Atrial Fibrillation	7
Cancer	68
Dementia	3

Education & Training

She has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Karen M. Kostroff, MD is associated with these hospitals and organizations:

Northwell Health Physician Partners Breast Surgery at Lake Success

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Karen M. Kostroff, MD appears to accept the following insurance providers: Railroad Medicare, Northwell Direct, VNS Health, Longevity Health Plan, VillageCareMax, Medicare and 1199 SEIU.

Insurance Accepted by Provider includes:

According to our sources, Dr. Karen M. Kostroff, MD accepts the following insurance providers:

Railroad Medicare

Northwell Direct

VNS Health

Longevity Health Plan

VillageCareMax

Medicare

1199 SEIU

Ratings & Reviews

Dr. Karen M. Kostroff, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Karen M. Kostroff, MD from all over the web to help you find the right in Lake Success, NY.

4.2

Overall Rating

(5 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Karen M. Kostroff, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Endomagnetics Ltd	$195 Magtrace $195
Baxalta US Inc	$17 HYQVIA $17

**Types of Payments**
Food and Beverage	$212

Biography

Dr. Karen Kostroff is a specialist in general surgery. On average, patients gave her a rating of 4.0 stars (out of 5). Dr. Kostroff graduated from Boston University School of Medicine.