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Dr. Brian L. Shaffer, MD

(11 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

133 Franklin Corner Road 2nd Floor
Lawrenceville, NJ 08648

(609) 436-5900

Dr. Brian L. Shaffer, MD is an internist in Lawrence Township, NJ specializing in internal medicine (adult medicine). Dr. Brian L. Shaffer, MD is affiliated with RWJBarnabas Health and Robert Wood Johnson University Hospital Hamilton.

Office Locations

133 Franklin Corner Road
Lawrence Township, NJ 08648

open_in_new

133 Franklin Corner Road 2nd Floor
Lawrenceville, NJ 08648

(609) 436-5900

(609) 452-0222

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2012 were nursing home care, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

abdominal imaging	44
cardiac procedures	30
diabetes management	14
diagnostic procedures	21
doctor visit	714
ear procedures	21
hospital care	144
inpatient care	144
lab tests	14
nursing home care	225
pelvic imaging	24
preventive care	89
ultrasound (sonogram)	135
vaccines	75
vascular procedures	85

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2013 were nursing home care, preventive care, inpatient care and hospital care.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

blood draw	15
cardiac procedures	23
diabetes management	33
diagnostic procedures	26
doctor visit	747
ear procedures	41
hospital care	151
inpatient care	151
lab tests	79
nursing home care	220
preventive care	167
ultrasound (sonogram)	78
vaccines	88
vascular procedures	55

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	110
Female	109

**Ethnicity**
Non-Hispanic White	186
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	65
85 and over	38
Less than 65	30

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2013

Hypertension	75
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	41
Depression	19
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2014 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

cardiac procedures	32
diagnostic procedures	27
doctor visit	725
ear procedures	27
hospital care	96
inpatient care	96
nursing home care	85
preventive care	93
ultrasound (sonogram)	76
vaccines	93
vascular procedures	44

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	102
Female	107

**Ethnicity**
Non-Hispanic White	176
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	62
85 and over	38
Less than 65	27

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2014

Hypertension	71
High Cholesterol	52
Stroke	10
Ischemic Heart Disease	35
Depression	18
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2015 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

breathing treatment	15
cardiac procedures	20
diagnostic procedures	11
doctor visit	953
ear procedures	25
hospital care	114
inpatient care	114
lab tests	14
preventive care	72
ultrasound (sonogram)	57
vaccines	72
vascular procedures	37

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	300
Female	376

**Ethnicity**
Non-Hispanic White	570
Black	50
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	204
85 and over	98
Less than 65	116

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2015

Hypertension	65
High Cholesterol	51
Stroke	7
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	17
Asthma	14
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2016 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

doctor visit	686
hospital care	50
inpatient care	50
preventive care	56
vaccines	56

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	126
Female	148

**Ethnicity**
Non-Hispanic White	229
Black	21
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	67
85 and over	39
Less than 65	66

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2016

Hypertension	67
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	22
Asthma	17
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2017 were vascular procedures, preventive care, vaccines and ultrasound (sonogram).

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

cardiac procedures	12
doctor visit	843
preventive care	50
ultrasound (sonogram)	12
vaccines	50
vascular procedures	51

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	125
Female	135

**Ethnicity**
Non-Hispanic White	208
Black	23
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	51
85 and over	20
Less than 65	93

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2017

Hypertension	64
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2018 were vascular procedures, preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

cardiac procedures	12
diagnostic procedures	16
doctor visit	1123
ear procedures	16
preventive care	18
ultrasound (sonogram)	12
vaccines	18
vascular procedures	84

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	139
Female	171

**Ethnicity**
Non-Hispanic White	260
Black	24
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	65
85 and over	28
Less than 65	99

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2018

Hypertension	62
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	10
Atrial Fibrilation	5
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	32
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2019 were vascular procedures, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

doctor visit	1226
preventive care	18
vaccines	18
vascular procedures	68

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	146
Female	211

**Ethnicity**
Non-Hispanic White	287
Black	40
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	71
85 and over	38
Less than 65	107

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2019

Hypertension	65
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	32
Depression	32
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2020 were vascular procedures, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

doctor visit	1224
preventive care	30
vaccines	30
vascular procedures	70

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	161
Female	179

**Ethnicity**
Non-Hispanic White	269
Black	40
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	65
85 and over	26
Less than 65	97

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2020

Hypertension	64
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	27
Depression	34
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2021 were vascular procedures, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

doctor visit	1099
preventive care	21
vaccines	21
vascular procedures	27

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	142
Female	189

**Ethnicity**
Non-Hispanic White	261
Black	40
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	67
85 and over	26
Less than 65	102

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2021

Hypertension	66
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	31
Depression	35
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2022 were vascular procedures, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

doctor visit	1016
preventive care	22
vaccines	22
vascular procedures	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	124
Female	177

**Ethnicity**
Non-Hispanic White	245
Black	30
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	65
85 and over	25
Less than 65	84

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2022

Hypertension	73
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	25
Depression	32
Chronic Kidney Disease	17
Asthma	16
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	40
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2023 were chronic care, vascular procedures, preventive care and vaccines.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

chronic care	30
doctor visit	815
preventive care	12
vaccines	12
vascular procedures	27

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	92
Female	145

**Ethnicity**
Non-Hispanic White	195
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	56
85 and over	27
Less than 65	51

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2023

Hypertension	72
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	24
Depression	30
Chronic Kidney Disease	19
Asthma	19
Osteoperosis	19
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ during 2024 were vascular procedures.

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

doctor visit	638
vascular procedures	18

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	73
Female	114

**Ethnicity**
Non-Hispanic White	152
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	47
85 and over	22
Less than 65	43

Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	21
Depression	26
Chronic Kidney Disease	20
Asthma	17
Osteoperosis	21
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Brian L. Shaffer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brian L. Shaffer, MD treated as an internist in Lawrence Township, NJ were nursing home care, inpatient care, hospital care and ultrasound (sonogram).

abdominal imaging	44
blood draw	15
cardiac procedures	21
chronic care	30
diabetes management	23
diagnostic procedures	20
doctor visit	908
ear procedures	26
hospital care	111
inpatient care	111
lab tests	35
nursing home care	176
pelvic imaging	24
preventive care	54
ultrasound (sonogram)	61
vaccines	46
vascular procedures	49

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Brian L. Shaffer, MD.

**Gender**
Male	126
Female	158

**Ethnicity**
Black / African American	26
Asian / Pacific Islander	0
Non-Hispanic White	233
Hispanic	5
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	68
85 and over	32
Less than 65	70
65 to 74	113

Average of Total of Conditions of Medicare patients treated by Dr. Brian L. Shaffer, MD From 2012 - 2024

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

Hypertension	63
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	28
Depression	25
Chronic Kidney Disease	19
Asthma	11
Osteoporosis	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Atrial Fibrillation	8
Cancer	11
Dementia	7

Education & Training

He completed residency at Raritan Bay Medical Center. He is certified by the Board Certification: Internal Medicine and has a state license in New Jersey.

Residency: Raritan Bay Medical Center

Board Certification: Board Certification: Internal Medicine

Licensed In: New Jersey

Ratings & Reviews

Dr. Brian L. Shaffer, MD has an exceptional overall rating with an average of 4.77 out of 5 stars based on 11 ratings. We collect ratings and reviews of Dr. Brian L. Shaffer, MD from all over the web to help you find the right in Lawrence Township, NJ.

4.77

Overall Rating

(11 Ratings)

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General Payments

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

**Payments by Company**
Lilly USA, LLC	$1,529 TRULICITY $509	BASAGLAR $242	JARDIANCE $240	HUMALOG $99	MOUNJARO $52	Other $387
Novo Nordisk Inc	$1,476 Tresiba $337	Victoza $294	Saxenda $267	RYBELSUS $178	Ozempic $145	Other $255
AstraZeneca Pharmaceuticals LP	$1,449 FARXIGA $885	SYMBICORT $258	SEROQUEL XR $125	CRESTOR $60	BYDUREON WEEKLY $36	Other $84
Janssen Pharmaceuticals, Inc	$1,309 XARELTO $647	INVOKANA $613	JNJ-28431754 $23	$25
GlaxoSmithKline, LLC.	$429 TANZEUM $147	BREO $90	ANORO $83	LEVITRA $34	FLOVENT $33	Other $42
Other	$3,532 ELIQUIS $282	Nuedexta $228	SOLIQUA 100/33 $180	Trintellix $173	Vascepa $167	Other $2,502

**Types of Payments**
Food and Beverage	$9,549
Consulting Fee	$150
Education	$25

Biography

Dr. Brian Shaffer is conversant in French. He is professionally affiliated with Robert Wood Johnson University Hospital Hamilton. For his residency, Dr. Shaffer trained at Raritan Bay Medical Center. Patients rated him highly, giving him an average of 5.0 stars (out of 5). He can take Blue California, Aetna, and Horizon Blue Cross Blue Shield insurance.