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Home > NY Providers > Internists & Internal Medicine Doctors

Dr. Gregory Ajemian, MD

(Dr. Gregory Ajemian, M.D.)

(3 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

1046 Esther Street
Franklin Square, NY 11010

(516) 775-9292

Dr. Gregory Ajemian, MD is an internist in Franklin Square, NY specializing in internal medicine (adult medicine). Dr. Gregory Ajemian, MD is affiliated with NYU Langone Health.

Office Locations

1046 Esther Street
Franklin Square, NY 11010

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212 Nassau Boulevard
Garden City, NY 11530

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Ajemian, 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. Gregory Ajemian, MD performed more flu shot procedures for Medicare patients than 90% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2012 were hospital care, inpatient care, diagnostic procedures and preventive care.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

diagnostic procedures	386
doctor visit	865
hospital care	560
inpatient care	560
preventive care	105
vaccines	105

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2013 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

doctor visit	1061
hospital care	404
inpatient care	404
preventive care	166
vaccines	166

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	150
Female	194

**Ethnicity**
Non-Hispanic White	314
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	102
85 and over	71
Less than 65	38

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2013

Hypertension	57
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	56
Depression	18
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	51
Dementia	23
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2014 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

abdominal imaging	48
doctor visit	871
hospital care	360
inpatient care	360
preventive care	94
ultrasound (sonogram)	48
urologic procedures	19
vaccines	94

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	144
Female	115

**Ethnicity**
Non-Hispanic White	217
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	87
85 and over	51
Less than 65	34

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2014

Hypertension	58
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	63
Depression	22
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	20
Atrial Fibrilation	13
Heart Failure	31
Chronic Obstructive Pulmonary Disease	11
Diabetes	61
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

abdominal imaging	43
doctor visit	912
hospital care	555
inpatient care	509
outpatient care	46
preventive care	100
ultrasound (sonogram)	43
urologic procedures	21
vaccines	100

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	352
Female	414

**Ethnicity**
Non-Hispanic White	676
Black	34
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	240
85 and over	154
Less than 65	84

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2015

Hypertension	62
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	62
Depression	27
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	54
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2016 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

doctor visit	719
hospital care	498
inpatient care	462
outpatient care	36
preventive care	180
vaccines	166

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	173
Female	118

**Ethnicity**
Non-Hispanic White	251
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	83
85 and over	59
Less than 65	33

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2016

Hypertension	57
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	26
Asthma	16
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	15
Diabetes	60
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2017 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

doctor visit	715
hospital care	220
inpatient care	220
mental health therapy	29
preventive care	179
vaccines	179
weight management	29

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	161
Female	97

**Ethnicity**
Non-Hispanic White	214
Black	15
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	79
85 and over	44
Less than 65	30

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2017

Hypertension	63
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	52
Depression	38
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	57
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2018 were hospital care, inpatient care, preventive care and weight management.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

doctor visit	790
hospital care	94
inpatient care	94
mental health therapy	72
preventive care	76
vaccines	63
weight management	72

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	166
Female	94

**Ethnicity**
Non-Hispanic White	213
Black	19
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	85
85 and over	34
Less than 65	32

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2018

Hypertension	59
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	46
Depression	37
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	43
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2019 were chronic care, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

chronic care	141
doctor visit	717
hospital care	98
inpatient care	98
mental health therapy	42
preventive care	119
vaccines	119
weight management	42

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	154
Female	95

**Ethnicity**
Non-Hispanic White	206
Black	16
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	79
85 and over	35
Less than 65	31

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2019

Hypertension	57
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	43
Depression	41
Chronic Kidney Disease	39
Asthma	6
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2020 were chronic care, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

blood draw	19
chronic care	170
doctor visit	662
hospital care	99
inpatient care	99
lab tests	22
mental health therapy	20
preventive care	158
vaccines	158
weight management	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	154
Female	91

**Ethnicity**
Non-Hispanic White	208
Black	14
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	72
85 and over	42
Less than 65	22

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2020

Hypertension	55
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	38
Depression	44
Chronic Kidney Disease	40
Asthma	5
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2021 were preventive care, vaccines, chronic care and hospital care.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

blood draw	21
chronic care	129
doctor visit	642
hospital care	89
inpatient care	89
mental health therapy	39
preventive care	136
vaccines	136
weight management	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	156
Female	102

**Ethnicity**
Non-Hispanic White	219
Black	12
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	77
85 and over	46
Less than 65	21

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2021

Hypertension	56
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	41
Depression	40
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	27
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2022 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

blood draw	20
chronic care	22
doctor visit	856
hospital care	50
inpatient care	50
mental health therapy	35
preventive care	143
vaccines	132
weight management	35

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	168
Female	98

**Ethnicity**
Non-Hispanic White	225
Black	13
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	84
85 and over	40
Less than 65	24

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2022

Hypertension	63
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	10
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY during 2023 were preventive care, vaccines, weight management and mental health therapy.

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

blood draw	52
chronic care	45
doctor visit	1010
mental health therapy	53
preventive care	110
vaccines	110
weight management	53

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Male	165
Female	112

**Ethnicity**
Non-Hispanic White	229
Black	17
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	87
85 and over	40
Less than 65	21

Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD in 2023

Hypertension	70
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	35
Depression	29
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Gregory Ajemian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Ajemian, MD treated as an internist in Franklin Square, NY were diagnostic procedures, hospital care, inpatient care and preventive care.

abdominal imaging	45
blood draw	28
chronic care	101
diagnostic procedures	386
doctor visit	818
hospital care	275
inpatient care	267
lab tests	22
mental health therapy	41
outpatient care	41
preventive care	130
ultrasound (sonogram)	45
urologic procedures	20
vaccines	127
weight management	41

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Gregory Ajemian, MD.

**Gender**
Female	127
Male	161

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	0
Non-Hispanic White	247
Native American / Alaskan Native	0
Hispanic	7
Other	2

**Age**
75 to 84	89
85 and over	51
Less than 65	30
65 to 74	117

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Ajemian, MD From 2012 - 2023

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

Hypertension	54
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	44
Depression	29
Chronic Kidney Disease	27
Asthma	7
Osteoporosis	10
Heart Failure	24
Chronic Obstructive Pulmonary Disease	16
Diabetes	44
Atrial Fibrillation	10
Dementia	13
Cancer	13

Education & Training

He completed residency at Jamaica Hospital Medical Center. He is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in New York.

Residency: Jamaica Hospital Medical Center (1987)

Board Certification: American Board of Internal Medicine - Internal Medicine (1992)

Licensed In: New York

Affiliations & Hospitals

Dr. Gregory Ajemian, MD is associated with these hospitals and organizations:

NYU Langone Health

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. Gregory Ajemian, MD appears to accept the following insurance providers: Aetna HMO, Oxford Liberty, MagnaCare PPO, Aetna Medicare, CIGNA PPO, Oxford Freedom, Aetna POS, HIP POS, Workers' Compensation, GHI CBP, HIP Access II, Empire BlueCross BlueShield PPO, Empire BlueCross BlueShield, Railroad Medicare, Cigna, United Healthcare PPO, United Healthcare POS, United Healthcare HMO, PHCS PPO, Local 1199 PPO, GHI HMO, Aetna Indemnity, Aetna PPO/EPO, The Empire Plan and Oxford Mosaic.

Insurance Accepted by Provider includes:

According to our sources, Dr. Gregory Ajemian, MD accepts the following insurance providers:

Aetna HMO

Oxford Liberty

MagnaCare PPO

Aetna Medicare

CIGNA PPO

Oxford Freedom

Aetna POS

HIP POS

Workers' Compensation

GHI CBP

HIP Access II

Empire BlueCross BlueShield PPO

Empire BlueCross BlueShield

Railroad Medicare

Cigna

United Healthcare PPO

United Healthcare POS

United Healthcare HMO

PHCS PPO

Local 1199 PPO

GHI HMO

Aetna Indemnity

Aetna PPO/EPO

The Empire Plan

Oxford Mosaic

Ratings & Reviews

Dr. Gregory Ajemian, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Gregory Ajemian, MD from all over the web to help you find the right in Franklin Square, NY.

Overall Rating

(3 Ratings)

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$846 TRELEGY ELLIPTA $212	TANZEUM $147	AREXVY $110	INCRUSE $109	BREO $61	Other $208
AbbVie, Inc.	$456 Synthroid $456
Boehringer Ingelheim Pharmaceuticals, Inc.	$431 JARDIANCE $140	GLYXAMBI $68	OFEV $42	SPIRIVA RESPIMAT $27	TRADJENTA $11	Other $143
AstraZeneca Pharmaceuticals LP	$377 FARXIGA $318	AIRSUPRA $34	BYDUREON $25
Janssen Pharmaceuticals, Inc	$310 XARELTO $220	INVOKANA $90
Other	$2,582 BYDUREON $157	Kerendia $152	Yupelri $143	Veozah $139	RYBELSUS $129	Other $1,862

**Types of Payments**
Food and Beverage	$4,814
Education	$186

Biography

Dr. Gregory Ajemian can take Blue California, Empire BlueCross BlueShield, CIGNA Plans, and more. For his residency, Dr. Ajemian trained at Jamaica Hospital Medical Center. He is affiliated with NYU Langone Health.