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Home > NY Providers > Internists & Internal Medicine Doctors

Dr. Leonard Averell Treihaft, MD

Accepting New Patients

(2282 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Albert Einstein College of Medicine of Yeshiva University (1991)

Professional interests include: influenza (flu)

2035 Lakeville Road Suite 101
New Hyde Park, NY 11040

(516) 328-9797

Dr. Leonard Averell Treihaft, MD is an internist in New Hyde Park, NY specializing in internal medicine (adult medicine). He graduated from Albert Einstein College of Medicine of Yeshiva University in 1991 and has 35 years of experience. Dr. Leonard Averell Treihaft, MD is affiliated with Summit Health, NYU Langone Health and CITY MEDICAL OF UPPER EAST SIDE PLLC.

Office Locations

NYU Langone Health

2035 Lakeville Road Suite 101
New Hyde Park, NY 11040

(516) 328-9797

(516) 352-6579

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Leonard Averell Treihaft, MD in 2023

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

Top 10%

By Volume:

flu shot

In 2023, Dr. Leonard Averell Treihaft, MD performed more flu shot procedures for Medicare patients than 90% of providers in related specialties within New York.

Top 25%

By Volume:

blood draw

phlebotomy for lab tests

By Affordability:

lab tests

urine tests

In 2012, among providers in related specialties within New York, Dr. Leonard Averell Treihaft, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also had a list price for lab tests, and urine tests 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. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2012 were blood draw, preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	47
blood draw	1254
cardiac procedures	47
doctor visit	1661
preventive care	238
vaccines	238

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2013 were blood draw, preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	28
blood draw	1267
cardiac procedures	28
doctor visit	1598
lab tests	23
preventive care	248
vaccines	248

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	177
Female	248

**Ethnicity**
Non-Hispanic White	358
Black	34
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	134
85 and over	66
Less than 65	29

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2013

Hypertension	67
High Cholesterol	72
Stroke	3
Ischemic Heart Disease	39
Depression	10
Chronic Kidney Disease	14
Asthma	5
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	7
Diabetes	31
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2014 were blood draw, preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	27
blood draw	1360
cardiac procedures	27
doctor visit	1775
lab tests	24
minor procedures	12
preventive care	269
vaccines	269
wound repair (e.g. stitches)	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	193
Female	266

**Ethnicity**
Non-Hispanic White	381
Black	35
Hispanic	20
Asian	12
Other	11
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	148
85 and over	63
Less than 65	26

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2014

Hypertension	66
High Cholesterol	71
Stroke	4
Ischemic Heart Disease	39
Depression	9
Chronic Kidney Disease	13
Asthma	5
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	5
Diabetes	33
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2015 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	34
blood draw	1442
cardiac procedures	34
doctor visit	1931
lab tests	42
preventive care	248
vaccines	237

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	414
Female	540

**Ethnicity**
Non-Hispanic White	768
Black	78
Hispanic	48
Asian	26
Other	34
Native American	0

**Age**
From 65 to 74	458
From 75 to 84	286
85 and over	142
Less than 65	68

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2015

Hypertension	65
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	38
Depression	10
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	5
Diabetes	35
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2016 were blood draw, preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	53
blood draw	1499
cardiac procedures	53
doctor visit	2022
lab tests	34
preventive care	263
vaccines	248

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	235
Female	278

**Ethnicity**
Non-Hispanic White	408
Black	40
Hispanic	25
Asian	17
Other	23
Native American	0

**Age**
From 65 to 74	263
From 75 to 84	153
85 and over	69
Less than 65	28

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2016

Hypertension	65
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	39
Depression	11
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	8
Diabetes	37
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2017 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	68
blood draw	1643
cardiac procedures	68
doctor visit	2106
lab tests	74
preventive care	263
vaccines	230

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	257
Female	303

**Ethnicity**
Non-Hispanic White	457
Black	42
Hispanic	24
Asian	17
Other	20
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	171
85 and over	77
Less than 65	34

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2017

Hypertension	68
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	36
Depression	12
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	34
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2018 were lab tests, preventive care, thyroid function tests and blood draw.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	58
blood draw	1737
cardiac procedures	58
diabetes management	659
doctor visit	1935
lab tests	7732
preventive care	3071
thyroid function tests	1925
vaccines	220

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	268
Female	303

**Ethnicity**
Non-Hispanic White	449
Black	48
Hispanic	26
Asian	23
Other	25
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	179
85 and over	82
Less than 65	29

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2018

Hypertension	68
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	36
Depression	12
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	6
Diabetes	30
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2019 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	59
blood draw	1728
cardiac procedures	59
chronic care	63
diabetes management	684
doctor visit	1963
lab tests	6085
minor procedures	19
preventive care	2876
thyroid function tests	1262
vaccines	218
wound repair (e.g. stitches)	19

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	268
Female	297

**Ethnicity**
Non-Hispanic White	433
Black	56
Hispanic	22
Asian	24
Other	30
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	200
85 and over	75
Less than 65	25

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2019

Hypertension	73
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	58
Depression	13
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2020 were lab tests, preventive care, thyroid function tests and blood draw.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	37
blood draw	1430
cardiac procedures	37
diabetes management	75
doctor visit	1682
lab tests	5227
preventive care	2157
thyroid function tests	1478
vaccines	266

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	267
Female	298

**Ethnicity**
Non-Hispanic White	424
Black	54
Hispanic	27
Asian	27
Other	33
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	195
85 and over	71
Less than 65	23

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2020

Hypertension	67
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	69
Depression	12
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	6
Diabetes	29
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2021 were lab tests, preventive care, thyroid function tests and blood draw.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	26
blood draw	1623
cardiac procedures	26
doctor visit	1773
lab tests	5842
preventive care	2267
thyroid function tests	1768
vaccines	243

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	273
Female	333

**Ethnicity**
Non-Hispanic White	462
Black	55
Hispanic	23
Asian	32
Other	34
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	211
85 and over	76
Less than 65	24

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2021

Hypertension	68
High Cholesterol	72
Stroke	6
Ischemic Heart Disease	68
Depression	12
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	27
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY during 2022 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

ambulatory monitoring	24
blood draw	1534
cardiac procedures	24
diabetes management	172
doctor visit	1532
lab tests	2165
preventive care	987
thyroid function tests	606
vaccines	132

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	293
Female	313

**Ethnicity**
Non-Hispanic White	456
Black	57
Hispanic	24
Asian	33
Other	36
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	232
85 and over	64
Less than 65	21

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	48
Depression	14
Chronic Kidney Disease	12
Asthma	9
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	5
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Leonard Averell Treihaft, MD for Medicare patients.

The highest averages for the top procedures that Dr. Leonard Averell Treihaft, MD treated as an internist in New Hyde Park, NY were lab tests, blood draw, thyroid function tests and preventive care.

ambulatory monitoring	41
blood draw	1501
cardiac procedures	41
chronic care	63
diabetes management	397
doctor visit	1816
lab tests	2724
minor procedures	15
preventive care	1171
thyroid function tests	1407
vaccines	231
wound repair (e.g. stitches)	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Leonard Averell Treihaft, MD.

**Gender**
Male	240
Female	289

**Ethnicity**
Black / African American	45
Asian / Pacific Islander	19
Non-Hispanic White	417
Native American / Alaskan Native	0
Hispanic	23
Other	22

**Age**
75 to 84	173
85 and over	71
Less than 65	27
65 to 74	256

Average of Total of Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Leonard Averell Treihaft, MD treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	62
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	42
Depression	10
Chronic Kidney Disease	16
Asthma	6
Osteoporosis	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	6
Diabetes	28
Atrial Fibrillation	8
Dementia	7
Cancer	14

Education & Training

Dr. Leonard Averell Treihaft, MD graduated from Albert Einstein College of Medicine of Yeshiva University in 1991. He completed residency at Long Island Jewish Medical Center. He is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in New York.

Medical School: Albert Einstein College of Medicine of Yeshiva University (1991)

Residency: Long Island Jewish Medical Center (1995)

Board Certification: American Board of Internal Medicine - Internal Medicine (1994)

Licensed In: New York

Affiliations & Hospitals

Dr. Leonard Averell Treihaft, MD is associated with these hospitals and organizations:

Summit Health

NYU Langone Health

CITY MEDICAL OF UPPER EAST SIDE PLLC

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. Leonard Averell Treihaft, MD appears to accept the following insurance providers: Aetna HMO, Oxford Liberty, Aetna Medicare, Fidelis Medicaid, CIGNA PPO, Elderplan, Fidelis Care, Oxford Freedom, Aetna POS, Oxford Medicare Advantage, HIP Medicaid, United Healthcare, Empire BlueCross BlueShield PPO, Empire BlueCross BlueShield, Humana, Cigna, United Healthcare PPO, United Healthcare POS, United Healthcare HMO, PHCS PPO, United Healthcare EPO, Aetna Indemnity, Aetna PPO/EPO and The Empire Plan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Leonard Averell Treihaft, MD accepts the following insurance providers:

Aetna HMO

Oxford Liberty

Aetna Medicare

Fidelis Medicaid

CIGNA PPO

Elderplan

Fidelis Care

Oxford Freedom

Aetna POS

Oxford Medicare Advantage

HIP Medicaid

United Healthcare

Empire BlueCross BlueShield PPO

Empire BlueCross BlueShield

Humana

Cigna

United Healthcare PPO

United Healthcare POS

United Healthcare HMO

PHCS PPO

United Healthcare EPO

Aetna Indemnity

Aetna PPO/EPO

The Empire Plan

Ratings & Reviews

Dr. Leonard Averell Treihaft, MD has an exceptional overall rating with an average of 4.86 out of 5 stars based on 2282 ratings. We collect ratings and reviews of Dr. Leonard Averell Treihaft, MD from all over the web to help you find the right in New Hyde Park, NY.

4.86

Overall Rating

(2282 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2023-04-07

Dr. Triehaft is the best doctor in the world. this man saved my life by detecting cancer early so i was able to get treatment early.
Bedside manner is fantastic. wait times are minimal. he's just the BEST!!!

General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$638 XARELTO $533	INVOKANA $106
E.R. Squibb & Sons, L.L.C.	$614 ELIQUIS $614
Astellas Pharma US Inc	$565 Lexiscan $553	Myrbetriq $12
Merck Sharp & Dohme Corporation	$439 STEGLATRO $125	JANUMET XR $90	STEGLUJAN $57	DULERA $46	JANUMET $31	Other $90
Amgen Inc.	$417 Repatha $391	Corlanor $15	$11
Other	$3,084 PRALUENT $399	Vascepa $185	JARDIANCE $177	Pradaxa $174	Ozempic $174	Other $1,975

**Types of Payments**
Food and Beverage	$5,577
Education	$180

Biography

Dr. Leonard Treihaft's areas of expertise include primary care and influenza (flu). Dr. Treihaft's professional affiliations include Summit Health and NYU Langone Health. He obtained his medical school training at Albert Einstein College of Medicine of Yeshiva University and performed his residency at Long Island Jewish Medical Center and a hospital affiliated with Albert Einstein College of Medicine. His average rating from his patients is 5.0 stars (out of 5). Dr. Treihaft seems to be an in-network provider for Blue California, Empire BlueCross BlueShield, and CIGNA Plans, as well as other insurance carriers. His practice in New Hyde Park, NY is open to new patients as reported by Summit Health.

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Dr. Leonard Averell Treihaft, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Leonard Averell Treihaft, MD in 2023

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By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Leonard Averell Treihaft, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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