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Dr. Leonard Bielory, MD

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Specializes in: Allergy & Immunology

UMDNJ-New Jersey Medical School

400 Mountain Avenue
Springfield, NJ 07081

(973) 912-9817

Dr. Leonard Bielory, MD is an allergist and immunologist in Springfield, NJ specializing in allergy & immunology. He graduated from UMDNJ-New Jersey Medical School. Dr. Leonard Bielory, MD is affiliated with RWJBarnabas Health, Atlantic Health System, Robert Wood Johnson University Hospital Rahway, Overlook Medical Center and Cooperman Barnabas Medical Center.

Office Locations

Cooperman Barnabas Medical Center

400 Mountain Avenue
Springfield, NJ 07081

(973) 912-9817

(973) 327-7642

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In The News (see more mentions in the news)

“Dr. Leonard Bielory, an allergist and professor of medicine at the Hackensack Meridian School of Medicine in New Jersey, said he and his colleagues looked at the sensitization of the US population...”—"It's not just you. Here's why pollen allergies are worse than ever", CNN, April 2024

“"In the northeast the pollen storm is already beginning," Leonard Bielory, an allergist, immunologist and professor of medicine at Hackensack meridian School of Medicine, told Newsweek.”—"Hay fever alert as allergist warns of "pollen storm"", Newsweek, April 2024

“The approximately 40,000 currently living trees planted by Boston's city arborist, for example, represent "a drop in the bucket" of the allergens Bostonians inhale, said allergist Leonard Bielory.”—"The theory of 'botanical sexism,' or planting 'male' instead of 'female' trees, debunked", Boston Globe, June 2022

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

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

Top 5%

By Affordability:

hospital care

inpatient care

inpatient hospital care

percutaneous allergy test

In 2023, Dr. Leonard Bielory, MD had a list price for hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and percutaneous allergy test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within New Jersey. 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 Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2012 were allergy testing, skin testing, minimally invasive procedures and immunotherapy.

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

allergy testing	593
doctor visit	249
immunotherapy	154
injections	154
minimally invasive procedures	505
preventive care	13
skin testing	505
vaccines	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2013 were allergy testing, skin testing, minimally invasive procedures and immunotherapy.

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

allergy testing	1274
doctor visit	186
immunotherapy	206
injections	206
minimally invasive procedures	1058
preventive care	11
skin testing	1222
vaccines	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	28
Female	48

**Ethnicity**
Non-Hispanic White	63
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	26
85 and over	0
Less than 65	0

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

Hypertension	63
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	17
Asthma	16
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	37
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2014 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

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

allergy testing	1504
doctor visit	172
hospital care	29
immunotherapy	434
injections	434
inpatient care	29
minimally invasive procedures	1105
preventive care	13
skin testing	1504
vaccines	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	41
Female	73

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	27
85 and over	18
Less than 65	20

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

Hypertension	64
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	46
Depression	32
Chronic Kidney Disease	24
Asthma	21
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	17
Diabetes	35
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2015 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

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

allergy testing	665
doctor visit	107
hospital care	19
immunotherapy	268
injections	268
inpatient care	19
minimally invasive procedures	459
preventive care	13
pulmonary testing	19
skin testing	665
vaccines	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	66
Female	132

**Ethnicity**
Non-Hispanic White	174
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	48
85 and over	0
Less than 65	0

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

Hypertension	67
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	44
Depression	26
Chronic Kidney Disease	26
Asthma	24
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2016 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

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

allergy testing	1409
doctor visit	124
hospital care	66
immunotherapy	256
injections	256
inpatient care	66
minimally invasive procedures	718
pulmonary testing	16
skin testing	1409

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	45
Female	92

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	39
85 and over	25
Less than 65	15

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

Hypertension	71
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	41
Depression	32
Chronic Kidney Disease	36
Asthma	27
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	39
Dementia	24
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2017 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

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

allergy testing	2342
doctor visit	190
hospital care	232
immunotherapy	264
injections	264
inpatient care	232
minimally invasive procedures	741
pulmonary testing	14
skin testing	2342

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	67
Female	128

**Ethnicity**
Non-Hispanic White	146
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	54
85 and over	37
Less than 65	27

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

Hypertension	75
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	55
Asthma	17
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	45
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2018 were skin testing, allergy testing, minimally invasive procedures and hospital care.

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

allergy testing	3049
doctor visit	166
hospital care	322
immunotherapy	288
injections	288
inpatient care	322
minimally invasive procedures	1276
skin testing	3049

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	71
Female	134

**Ethnicity**
Non-Hispanic White	150
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	58
85 and over	40
Less than 65	29

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

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	51
Depression	36
Chronic Kidney Disease	52
Asthma	22
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	29
Diabetes	46
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2019 were skin testing, allergy testing, minimally invasive procedures and hospital care.

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

allergy testing	2748
doctor visit	132
hospital care	408
immunotherapy	359
injections	359
inpatient care	408
minimally invasive procedures	870
skin testing	2748

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	81
Female	150

**Ethnicity**
Non-Hispanic White	168
Black	40
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	66
85 and over	48
Less than 65	29

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

Hypertension	75
High Cholesterol	72
Stroke	15
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	57
Asthma	20
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	27
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2020 were skin testing, allergy testing, hospital care and inpatient care.

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

allergy testing	1361
breathing treatment	16
doctor visit	119
hospital care	485
immunotherapy	246
injections	246
inpatient care	485
skin testing	1361

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	81
Female	131

**Ethnicity**
Non-Hispanic White	145
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	52
85 and over	46
Less than 65	29

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

Hypertension	75
High Cholesterol	70
Stroke	16
Ischemic Heart Disease	58
Depression	35
Chronic Kidney Disease	58
Asthma	23
Osteoperosis	14
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2021 were skin testing, allergy testing, minimally invasive procedures and hospital care.

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

allergy testing	1532
breathing treatment	22
doctor visit	147
hospital care	224
immunotherapy	185
injections	185
inpatient care	224
minimally invasive procedures	681
skin testing	1532

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	64
Female	117

**Ethnicity**
Non-Hispanic White	135
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	51
85 and over	31
Less than 65	22

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

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	50
Depression	36
Chronic Kidney Disease	56
Asthma	22
Osteoperosis	18
Atrial Fibrilation	18
Heart Failure	36
Chronic Obstructive Pulmonary Disease	24
Diabetes	46
Dementia	24
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ during 2022 were skin testing, allergy testing, minimally invasive procedures and hospital care.

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

allergy testing	1778
breathing treatment	22
doctor visit	141
hospital care	283
immunotherapy	227
injections	227
inpatient care	283
minimally invasive procedures	573
pulmonary testing	17
skin testing	1778

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	66
Female	115

**Ethnicity**
Non-Hispanic White	132
Black	23
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	47
85 and over	29
Less than 65	17

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

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	45
Depression	32
Chronic Kidney Disease	38
Asthma	29
Osteoperosis	25
Atrial Fibrilation	30
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	43
Dementia	15
Cancer	26

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. Leonard Bielory, MD treated as an allergist and immunologist in Springfield, NJ were allergy testing, skin testing, minimally invasive procedures and immunotherapy.

allergy testing	1659
doctor visit	157
hospital care	229
immunotherapy	262
injections	262
inpatient care	229
minimally invasive procedures	798
preventive care	12
pulmonary testing	16
skin testing	1646
vaccines	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Leonard Bielory, MD.

**Gender**
Male	55
Female	101

**Ethnicity**
Black / African American	18
Asian / Pacific Islander	0
Non-Hispanic White	120
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	42
85 and over	24
Less than 65	17
65 to 74	66

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

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

Hypertension	65
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	43
Depression	29
Chronic Kidney Disease	38
Asthma	20
Osteoporosis	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	37
Atrial Fibrillation	14
Dementia	16
Cancer	14

Education & Training

Dr. Leonard Bielory, MD graduated from UMDNJ-New Jersey Medical School. He completed residency at University of Maryland Medical Center. He is certified by the Board Certification: Internal Medicine and has a state license in New Jersey.

Medical School: UMDNJ-New Jersey Medical School

Residency: University of Maryland Medical Center

Board Certification: Board Certification: Internal Medicine

Licensed In: New Jersey

Affiliations & Hospitals

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

RWJBarnabas Health

Atlantic Health System

Robert Wood Johnson University Hospital Rahway

Overlook Medical Center

Cooperman Barnabas Medical Center

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 Bielory, MD appears to accept the following insurance providers: Cigna, Aetna, MultiPlan, Anthem, Horizon PPO, Oxford Freedom, AmeriHealth, Empire BlueCross BlueShield, CIGNA PPO, United Healthcare, Horizon Blue Cross Blue Shield, Blue Choice, CIGNA HMO, Oxford Health Plans, Medicare and Oxford (Liberty).

Insurance Accepted by Provider includes:

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

Cigna

Aetna

MultiPlan

Anthem

Horizon PPO

Oxford Freedom

AmeriHealth

Empire BlueCross BlueShield

CIGNA PPO

United Healthcare

Horizon Blue Cross Blue Shield

Blue Choice

CIGNA HMO

Oxford Health Plans

Medicare

Oxford (Liberty)

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General Payments

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

**Payments by Company**
Eyevance Pharmaceuticals LLC	$91,152 Flarex $73,150	Tobradex St $15,500	Zerviate $2,502
COVIS PHARMA B.V.	$28,870 Alvesco $28,870
GlaxoSmithKline, LLC.	$25,160 FLONASE $25,000	NUCALA $140	BREO $20
Merck Sharp & Dohme Corporation	$14,739 ASMANEX Respiratory $14,709	NON-PRODUCT $29
Hikma Pharmaceuticals USA	$10,732 Ryaltris $4,537	$6,195
Other	$34,323 LASTACAFT $4,960	BEPREVE $4,000	DEXTENZA $3,900	DUPIXENT $3,220	AYVAKIT $2,050	Other $16,192

**Types of Payments**
Consulting Fee	$170,095
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$15,827
Travel and Lodging	$9,385
Honoraria	$5,634
Food and Beverage	$3,941
Other	$92

Research Payments

Dr. Leonard Bielory, MD has received 8 research payments totaling $16,677.

Biography

Dr. Leonard Bielory is a specialist in allergy & immunology in Springfield, NJ. Anthem, Blue California, and Empire BlueCross BlueShield are among the insurance carriers that Dr. Bielory honors. Before performing his residency at the University of Maryland Medical Center and National Institutes of Health (NIH), Dr. Bielory attended Rowan University School of Osteopathic Medicine, UMDNJ-Robert Wood Johnson Medical School, and UMDNJ-New Jersey Medical School. Dr. Bielory's professional affiliations include Robert Wood Johnson University Hospital Rahway and Overlook Medical Center. He has an open panel in Springfield, NJ according to Atlantic Health System.