Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > NY Providers

Dr. Lawrence A. Walser, MD

(No ratings)

Specializes in: Adult Pulmonology and Adult Critical Care

SUNY Downstate Medical Center College of Medicine (1979)

185 Old Country Road Suite 3
Riverhead, NY 11901

(631) 727-2523

Dr. Lawrence A. Walser, MD is a pulmonologist in Riverhead, NY specializing in adult pulmonology and adult critical care. He graduated from SUNY Downstate Medical Center College of Medicine in 1979 and has 47 years of experience. Dr. Lawrence A. Walser, MD is affiliated with CENTRAL SUFFOLK HOSPITAL.

Office Locations

185 Old Country Road Suite 3
Riverhead, NY 11901

(631) 727-2523

(631) 727-7353

open_in_new

In The News (see more mentions in the news)

“It was in mid-March last year, just a few days after Suffolk County's first confirmed COVID-19 case, when Dr. Lawrence Walser sat at a small desk where he would write notes for himself, physician...”—"One year later, reflecting on the 'tsunami of sickness' that hit PBMC in two waves", The Suffolk Times, March 2021

“When Dr. Lawrence Walser had time for a brief break from his duties managing an intensive care unit filled with COVID-19 patients at Peconic Bay Medical Center, he would send a quick video to his...”—"2020 Person of the Year: Dr. Lawrence Walser", The Suffolk Times, January 2021

“As a way to honor the extraordinary work done to combat COVID-19 over the past year at our local hospitals, Stony Brook Eastern Long Island Hospital and Peconic Bay Medical Center, we present two...”—"2020 Person of the Year: Shari Hymes", The Suffolk Times, January 2021

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2012 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

airway management	16
aspiration	21
doctor visit	1121
hospital care	536
inpatient care	536
pleural drainage	21
preventive care	64
pulmonary testing	419
sleep study	16
vaccines	64

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2013 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

doctor visit	1058
hospital care	479
inpatient care	479
preventive care	63
pulmonary testing	420
vaccines	63

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	403
Female	452

**Ethnicity**
Non-Hispanic White	782
Black	37
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	293
85 and over	163
Less than 65	93

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	62
Depression	23
Chronic Kidney Disease	33
Asthma	24
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	42
Chronic Obstructive Pulmonary Disease	48
Diabetes	44
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2014 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

aspiration	13
doctor visit	987
hospital care	377
inpatient care	377
pleural drainage	13
preventive care	47
pulmonary testing	345
vaccines	47

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	358
Female	383

**Ethnicity**
Non-Hispanic White	679
Black	34
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	252
From 75 to 84	255
85 and over	159
Less than 65	75

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	61
Depression	23
Chronic Kidney Disease	33
Asthma	22
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	42
Chronic Obstructive Pulmonary Disease	43
Diabetes	40
Dementia	16
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2015 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

aspiration	15
doctor visit	961
hospital care	433
inpatient care	433
pleural drainage	15
preventive care	86
pulmonary testing	315
vaccines	86

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	754
Female	812

**Ethnicity**
Non-Hispanic White	1444
Black	54
Hispanic	0
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	566
From 75 to 84	538
85 and over	314
Less than 65	148

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	60
Depression	24
Chronic Kidney Disease	37
Asthma	32
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	46
Diabetes	37
Dementia	18
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2016 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

doctor visit	983
hospital care	365
inpatient care	365
preventive care	74
pulmonary testing	312
vaccines	74

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	374
Female	400

**Ethnicity**
Non-Hispanic White	707
Black	33
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	273
From 75 to 84	298
85 and over	141
Less than 65	62

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	59
Depression	26
Chronic Kidney Disease	40
Asthma	51
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	41
Chronic Obstructive Pulmonary Disease	49
Diabetes	40
Dementia	19
Cancer	21

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2017 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

doctor visit	865
hospital care	337
inpatient care	337
preventive care	28
pulmonary testing	281
vaccines	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	353
Female	369

**Ethnicity**
Non-Hispanic White	658
Black	35
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	251
From 75 to 84	250
85 and over	149
Less than 65	72

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	57
Depression	29
Chronic Kidney Disease	42
Asthma	19
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	41
Chronic Obstructive Pulmonary Disease	50
Diabetes	38
Dementia	21
Cancer	20

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2018 were hospital care, inpatient care, pulmonary testing and preventive care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

doctor visit	618
hospital care	418
inpatient care	418
preventive care	15
pulmonary testing	184
vaccines	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	291
Female	367

**Ethnicity**
Non-Hispanic White	589
Black	39
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	250
85 and over	136
Less than 65	60

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	60
Depression	38
Chronic Kidney Disease	47
Asthma	17
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	48
Chronic Obstructive Pulmonary Disease	52
Diabetes	40
Dementia	25
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2019 were hospital care, inpatient care, pleural drainage and aspiration.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

aspiration	13
hospital care	472
inpatient care	472
pleural drainage	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	146
Female	156

**Ethnicity**
Non-Hispanic White	267
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	111
85 and over	71
Less than 65	38

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	73
Depression	52
Chronic Kidney Disease	69
Asthma	14
Osteoperosis	12
Atrial Fibrilation	39
Heart Failure	65
Chronic Obstructive Pulmonary Disease	54
Diabetes	51
Dementia	43
Cancer	25

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

hospital care	496
inpatient care	496

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	187
Female	153

**Ethnicity**
Non-Hispanic White	296
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	121
85 and over	63
Less than 65	49

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	69
Depression	48
Chronic Kidney Disease	71
Asthma	14
Osteoperosis	14
Atrial Fibrilation	31
Heart Failure	59
Chronic Obstructive Pulmonary Disease	47
Diabetes	46
Dementia	43
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

hospital care	322
inpatient care	322

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	122
Female	131

**Ethnicity**
Non-Hispanic White	222
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	90
85 and over	49
Less than 65	36

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	15
Ischemic Heart Disease	72
Depression	43
Chronic Kidney Disease	70
Asthma	12
Osteoperosis	16
Atrial Fibrilation	29
Heart Failure	61
Chronic Obstructive Pulmonary Disease	45
Diabetes	45
Dementia	39
Cancer	26

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

hospital care	236
inpatient care	236

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	102
Female	95

**Ethnicity**
Non-Hispanic White	179
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	68
85 and over	56
Less than 65	15

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	29
Ischemic Heart Disease	64
Depression	35
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	17
Atrial Fibrilation	55
Heart Failure	59
Chronic Obstructive Pulmonary Disease	52
Diabetes	50
Dementia	27
Cancer	31

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lawrence A. Walser, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lawrence A. Walser, MD treated as a pulmonologist in Riverhead, NY were hospital care, inpatient care, pulmonary testing and preventive care.

airway management	16
aspiration	15
doctor visit	941
hospital care	406
inpatient care	406
pleural drainage	15
preventive care	53
pulmonary testing	325
sleep study	16
vaccines	53

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lawrence A. Walser, MD.

**Gender**
Male	280
Female	301

**Ethnicity**
Black / African American	26
Asian / Pacific Islander	0
Non-Hispanic White	529
Native American / Alaskan Native	0
Hispanic	5
Other	4

**Age**
75 to 84	206
85 and over	118
Less than 65	58
65 to 74	198

Average of Total of Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	57
Depression	31
Chronic Kidney Disease	44
Asthma	19
Osteoporosis	10
Heart Failure	45
Chronic Obstructive Pulmonary Disease	44
Diabetes	39
Atrial Fibrillation	29
Dementia	24
Cancer	19

Education & Training

Dr. Lawrence A. Walser, MD graduated from SUNY Downstate Medical Center College of Medicine in 1979. He has a state license in New York.

Medical School: SUNY Downstate Medical Center College of Medicine (1979)

Licensed In: New York

Affiliations & Hospitals

Dr. Lawrence A. Walser, MD is associated with these hospitals and organizations:

CENTRAL SUFFOLK HOSPITAL

Ratings & Reviews

Dr. Lawrence A. Walser, MD does not have any reviews yet, be the first to leave a review of Dr. Lawrence A. Walser, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$184 SYMBICORT $97	CRESTOR $49	BREZTRI AEROSPHERE $15	BEVESPI AEROSPHERE $13	$10
Medtronic Vascular, Inc.	$161 CoreValve Evolut $161
Philips Electronics North America Corporation	$124 DreamStat Cpap Auto $103	Wellcentive Undiv $21
Merck Sharp & Dohme Corporation	$118 DULERA $53	JANUMET XR $52	ZERBAXA $13
Boehringer Ingelheim Pharmaceuticals, Inc.	$99 OFEV $99
Other	$325 BioTherapeutics - GLASSIA $48	BREO $46	Prolastin-C $37	The MetaNeb System $33	Brovana $33	Other $129

**Types of Payments**
Food and Beverage	$842
Education	$170

Biography

Dr. Lawrence Walser is a medical specialist in adult critical care and adult pulmonology. He studied medicine at SUNY Downstate Medical Center College of Medicine.

Select Year:

Dr. Lawrence A. Walser, MD

Office Locations

In The News (see more mentions in the news)

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. Lawrence A. Walser, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lawrence A. Walser, 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. Lawrence A. Walser, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Riverhead, NY