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Home > CA Providers > Internists & Internal Medicine Doctors

Dr. Lawrence A Senffner, MD

(Dr. Lawrence Anthony Senffner, M.D.)

(No ratings)

Specializes in: Internal Medicine (Adult Medicine)

3798 Janes Road Suite 20
Arcata, CA 95521

(707) 822-2432

Dr. Lawrence A Senffner, MD is an internist in Arcata, CA specializing in internal medicine (adult medicine).

Office Locations

3798 Janes Road Suite 20
Arcata, CA 95521

(707) 822-2432

(707) 822-6301

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2012 were hospital care, inpatient care, preventive care and vaccines.

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

aspiration	96
cardiac procedures	38
doctor visit	1395
ear procedures	13
hospital care	146
injections	96
inpatient care	146
preventive care	108
stress testing	38
vaccines	108

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2013 were preventive care, vaccines, aspiration and injections.

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

aspiration	82
cardiac procedures	27
doctor visit	1265
ear procedures	19
hospital care	74
injections	82
inpatient care	74
preventive care	110
stress testing	27
vaccines	110

2013 Medicare Patient Data

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

**Gender**
Male	249
Female	274

**Ethnicity**
Non-Hispanic White	467
Black	0
Hispanic	15
Asian	0
Other	0
Native American	24

**Age**
From 65 to 74	175
From 75 to 84	163
85 and over	107
Less than 65	78

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

Hypertension	65
High Cholesterol	34
Stroke	7
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2014 were preventive care, vaccines, aspiration and injections.

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

aspiration	59
cardiac procedures	24
doctor visit	1085
ear procedures	20
injections	59
preventive care	99
stress testing	24
vaccines	99

2014 Medicare Patient Data

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

**Gender**
Male	334
Female	353

**Ethnicity**
Non-Hispanic White	611
Black	0
Hispanic	13
Asian	0
Other	0
Native American	42

**Age**
From 65 to 74	241
From 75 to 84	193
85 and over	140
Less than 65	113

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

Hypertension	68
High Cholesterol	34
Stroke	9
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2015 were preventive care, vaccines, aspiration and injections.

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

aspiration	68
doctor visit	1123
ear procedures	16
injections	68
preventive care	94
vaccines	94

2015 Medicare Patient Data

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

**Gender**
Male	656
Female	784

**Ethnicity**
Non-Hispanic White	1250
Black	0
Hispanic	44
Asian	0
Other	0
Native American	110

**Age**
From 65 to 74	560
From 75 to 84	390
85 and over	292
Less than 65	198

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

Hypertension	63
High Cholesterol	35
Stroke	7
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	24
Asthma	16
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2016 were preventive care, vaccines, aspiration and injections.

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

aspiration	60
doctor visit	1097
injections	60
preventive care	71
vaccines	71

2016 Medicare Patient Data

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

**Gender**
Male	320
Female	359

**Ethnicity**
Non-Hispanic White	594
Black	0
Hispanic	14
Asian	0
Other	0
Native American	55

**Age**
From 65 to 74	251
From 75 to 84	204
85 and over	120
Less than 65	104

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

Hypertension	65
High Cholesterol	38
Stroke	7
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	27
Asthma	25
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2017 were preventive care, vaccines, aspiration and injections.

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

aspiration	55
doctor visit	1094
injections	55
preventive care	81
vaccines	81

2017 Medicare Patient Data

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

**Gender**
Male	276
Female	312

**Ethnicity**
Non-Hispanic White	516
Black	0
Hispanic	20
Asian	0
Other	0
Native American	38

**Age**
From 65 to 74	222
From 75 to 84	177
85 and over	110
Less than 65	79

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

Hypertension	71
High Cholesterol	36
Stroke	8
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2018 were preventive care, vaccines, aspiration and injections.

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

aspiration	62
doctor visit	1043
ear procedures	16
injections	62
preventive care	75
vaccines	75

2018 Medicare Patient Data

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

**Gender**
Male	340
Female	330

**Ethnicity**
Non-Hispanic White	587
Black	0
Hispanic	16
Asian	0
Other	0
Native American	46

**Age**
From 65 to 74	276
From 75 to 84	191
85 and over	101
Less than 65	102

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

Hypertension	69
High Cholesterol	42
Stroke	5
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2019 were aspiration and injections.

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

aspiration	89
doctor visit	955
injections	89

2019 Medicare Patient Data

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

**Gender**
Male	303
Female	363

**Ethnicity**
Non-Hispanic White	577
Black	0
Hispanic	27
Asian	0
Other	0
Native American	43

**Age**
From 65 to 74	250
From 75 to 84	202
85 and over	111
Less than 65	103

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

Hypertension	72
High Cholesterol	44
Stroke	9
Ischemic Heart Disease	37
Depression	32
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2020 were aspiration, injections and ear procedures.

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

aspiration	70
doctor visit	791
ear procedures	14
injections	70

2020 Medicare Patient Data

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

**Gender**
Male	308
Female	391

**Ethnicity**
Non-Hispanic White	602
Black	0
Hispanic	21
Asian	0
Other	0
Native American	54

**Age**
From 65 to 74	245
From 75 to 84	231
85 and over	113
Less than 65	110

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

Hypertension	68
High Cholesterol	39
Stroke	8
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2021 were aspiration and injections.

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

aspiration	49
doctor visit	780
injections	49

2021 Medicare Patient Data

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

**Gender**
Male	307
Female	345

**Ethnicity**
Non-Hispanic White	567
Black	0
Hispanic	16
Asian	0
Other	14
Native American	44

**Age**
From 65 to 74	241
From 75 to 84	198
85 and over	130
Less than 65	83

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

Hypertension	75
High Cholesterol	45
Stroke	7
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA during 2022 were aspiration and injections.

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

aspiration	49
doctor visit	684
injections	49

2022 Medicare Patient Data

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

**Gender**
Male	348
Female	449

**Ethnicity**
Non-Hispanic White	689
Black	0
Hispanic	25
Asian	0
Other	14
Native American	53

**Age**
From 65 to 74	307
From 75 to 84	256
85 and over	135
Less than 65	99

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

Hypertension	75
High Cholesterol	57
Stroke	10
Ischemic Heart Disease	22
Depression	24
Chronic Kidney Disease	23
Asthma	15
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. Lawrence A Senffner, MD treated as an internist in Arcata, CA were hospital care, inpatient care, preventive care and vaccines.

aspiration	67
cardiac procedures	29
doctor visit	1028
ear procedures	16
hospital care	110
injections	67
inpatient care	110
preventive care	91
stress testing	29
vaccines	91

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	312
Female	360

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	587
Native American / Alaskan Native	46
Hispanic	19
Other	2

**Age**
75 to 84	200
85 and over	123
Less than 65	97
65 to 74	251

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

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

Hypertension	62
High Cholesterol	36
Stroke	7
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	25
Asthma	11
Osteoporosis	6
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	27
Atrial Fibrillation	16
Cancer	9
Dementia	12

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pfizer Inc.	$71 LYRICA $25	EUCRISA $19	CELEBREX $14	VIAGRA $13

**Types of Payments**
Food and Beverage	$71

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Dr. Lawrence A Senffner, MD

Office Locations

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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, 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 Senffner, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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