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Dr. David S. Friedenberg, DO

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Specializes in: Adult Nephrology

Philadelphia College of Osteopathic Medicine (1976 - 1980)

248 Pleasant Street Suite G300, Pillsbury Building
Concord, NH 03301

(603) 224-9995

Dr. David S. Friedenberg, DO is a nephrologist in Manchester, NH specializing in adult nephrology. He graduated from Philadelphia College of Osteopathic Medicine in 1980 and has 46 years of experience. Dr. David S. Friedenberg, DO is affiliated with Concord Hospital.

Office Locations

1750 Elm Street Suite 201c
Manchester, NH 03104

(603) 641-5800

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Concord Hospital

248 Pleasant Street Suite G300, Pillsbury Building
Concord, NH 03301

(603) 224-9995

(603) 226-0859

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Noteworthy Medicare Patient Procedures Performed by Dr. David S. Friedenberg, DO in 2023

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

Top 5%

By Volume:

dialysis

By Affordability:

hemodialysis

In 2023, among providers in related specialties within New Hampshire, Dr. David S. Friedenberg, DO performed more dialysis procedures for Medicare patients than 95% of them and he also had a list price for hemodialysis that was lower than the list prices billed to Medicare by 95% of them. 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.

Top 10%

By Volume:

hemofiltration

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, among providers in related specialties within New Hampshire, Dr. David S. Friedenberg, DO performed more hemofiltration procedures for Medicare patients than 90% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% of them. 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.

Top 25%

By Volume:

urinalysis

In 2012, Dr. David S. Friedenberg, DO performed more urinalysis procedures for Medicare patients than 75% of providers in related specialties within New Hampshire.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2012 were dialysis, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

catheterization	16
dialysis	431
doctor visit	477
hospital care	359
inpatient care	359
lab tests	63

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2013 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	384
doctor visit	513
hemofiltration	68
hospital care	425
inpatient care	425
lab tests	71

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	312
Female	256

**Ethnicity**
Non-Hispanic White	529
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	171
85 and over	78
Less than 65	128

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2013

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	56
Depression	38
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	53
Chronic Obstructive Pulmonary Disease	34
Diabetes	62
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2014 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

catheterization	13
dialysis	314
doctor visit	507
hemofiltration	34
hospital care	450
inpatient care	450
lab tests	55

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	311
Female	265

**Ethnicity**
Non-Hispanic White	539
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	185
85 and over	73
Less than 65	123

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2014

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	57
Depression	38
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	51
Chronic Obstructive Pulmonary Disease	29
Diabetes	58
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2015 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

catheterization	12
dialysis	317
doctor visit	518
hemofiltration	48
hospital care	374
inpatient care	374
lab tests	59

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	666
Female	554

**Ethnicity**
Non-Hispanic White	1122
Black	36
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	358
85 and over	144
Less than 65	280

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2015

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	54
Depression	35
Chronic Kidney Disease	75
Asthma	21
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	50
Chronic Obstructive Pulmonary Disease	28
Diabetes	60
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2016 were dialysis, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	358
doctor visit	487
hemofiltration	59
hospital care	344
inpatient care	344
lab tests	72

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	327
Female	254

**Ethnicity**
Non-Hispanic White	534
Black	15
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	195
85 and over	65
Less than 65	122

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2016

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	57
Depression	33
Chronic Kidney Disease	75
Asthma	31
Osteoperosis	7
Atrial Fibrilation	27
Heart Failure	52
Chronic Obstructive Pulmonary Disease	27
Diabetes	61
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2017 were dialysis, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	387
doctor visit	413
hemofiltration	49
hospital care	364
inpatient care	364
lab tests	74

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	282
Female	270

**Ethnicity**
Non-Hispanic White	510
Black	14
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	192
85 and over	63
Less than 65	113

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2017

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	59
Depression	35
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	53
Chronic Obstructive Pulmonary Disease	27
Diabetes	62
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2018 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	332
doctor visit	433
hemofiltration	55
hospital care	299
inpatient care	299
lab tests	54

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	281
Female	233

**Ethnicity**
Non-Hispanic White	469
Black	13
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	174
85 and over	56
Less than 65	106

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2018

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	60
Depression	34
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	53
Chronic Obstructive Pulmonary Disease	29
Diabetes	63
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2019 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	405
doctor visit	392
hemofiltration	65
hospital care	322
inpatient care	322
lab tests	56

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	279
Female	211

**Ethnicity**
Non-Hispanic White	438
Black	0
Hispanic	23
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	153
85 and over	65
Less than 65	114

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2019

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	59
Depression	36
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	53
Chronic Obstructive Pulmonary Disease	25
Diabetes	58
Dementia	21
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2020 were dialysis, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	324
doctor visit	280
hemofiltration	36
hospital care	252
inpatient care	252
lab tests	40

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	214
Female	212

**Ethnicity**
Non-Hispanic White	382
Black	12
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	140
85 and over	44
Less than 65	89

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2020

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	61
Depression	37
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	52
Chronic Obstructive Pulmonary Disease	24
Diabetes	57
Dementia	20
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2021 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	333
doctor visit	315
hemofiltration	57
hospital care	237
inpatient care	237
lab tests	51

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	228
Female	211

**Ethnicity**
Non-Hispanic White	398
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	147
85 and over	59
Less than 65	72

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	58
Depression	31
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	54
Chronic Obstructive Pulmonary Disease	23
Diabetes	59
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2022 were dialysis, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	239
doctor visit	348
hemofiltration	53
hospital care	204
inpatient care	204
lab tests	69

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	243
Female	208

**Ethnicity**
Non-Hispanic White	411
Black	0
Hispanic	17
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	164
85 and over	56
Less than 65	66

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	9
Atrial Fibrilation	37
Heart Failure	48
Chronic Obstructive Pulmonary Disease	26
Diabetes	53
Dementia	14
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH during 2023 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

dialysis	299
doctor visit	353
hemofiltration	110
hospital care	162
inpatient care	162
lab tests	51

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	224
Female	202

**Ethnicity**
Non-Hispanic White	384
Black	12
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	164
85 and over	52
Less than 65	70

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2023

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	45
Depression	34
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	48
Chronic Obstructive Pulmonary Disease	24
Diabetes	52
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. David S. Friedenberg, DO for Medicare patients.

The highest averages for the top procedures that Dr. David S. Friedenberg, DO treated as a nephrologist in Manchester, NH were dialysis, hospital care, inpatient care and lab tests.

catheterization	13
dialysis	343
doctor visit	419
hemofiltration	57
hospital care	316
inpatient care	316
lab tests	59

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. David S. Friedenberg, DO.

**Gender**
Male	280
Female	239

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	0
Non-Hispanic White	476
Hispanic	18
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	170
85 and over	62
Less than 65	106
65 to 74	180

Average of Total of Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. David S. Friedenberg, DO treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	68
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	50
Depression	32
Chronic Kidney Disease	68
Asthma	12
Osteoporosis	7
Heart Failure	47
Chronic Obstructive Pulmonary Disease	24
Diabetes	53
Atrial Fibrillation	25
Cancer	11
Dementia	16

Education & Training

Dr. David S. Friedenberg, DO graduated from Philadelphia College of Osteopathic Medicine in 1980. He completed residency at SUNY Downstate Medical Center and Affiliated Hospitals. He is certified by the Internal Medicine - American Board of Internal Medicine and has a state license in New Hampshire.

Medical School: Philadelphia College of Osteopathic Medicine (1980)

Residency: SUNY Downstate Medical Center and Affiliated Hospitals (1984)

Board Certification: Internal Medicine - American Board of Internal Medicine

Licensed In: New Hampshire

Affiliations & Hospitals

Dr. David S. Friedenberg, DO is associated with these hospitals and organizations:

Concord Hospital

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. David S. Friedenberg, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Mallinckrodt LLC	$105 ACTHAR $105
Amgen Inc.	$58 Parsabiv $40	Sensipar $17

**Types of Payments**
Food and Beverage	$163

Biography

Dr. David Friedenberg is an adult nephrology specialist in Manchester, NH and Concord, NH. He attended Philadelphia College of Osteopathic Medicine for medical school and subsequently trained at a hospital affiliated with SUNY Downstate Medical Center for residency. Dr. Friedenberg is professionally affiliated with Concord Hospital.

Select Year:

Dr. David S. Friedenberg, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. David S. Friedenberg, DO in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

By Volume:

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. David S. Friedenberg, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. David S. Friedenberg, DO From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Manchester, NH