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Dr. Roger Ernest Der, MD

(Dr. Roger E. Der, M.D.)

(No ratings)

Specializes in: Anatomic Pathology

300 W. Huntington Drive
Arcadia, CA 91007

1-888-388-2838

Dr. Roger Ernest Der, MD is an anatomic pathologist in Northridge, CA specializing in anatomic pathology. Dr. Roger Ernest Der, MD is affiliated with Dignity Health, Keck Medical Center of USC and Northridge Hospital Medical Center.

Office Locations

Northridge Hospital Medical Center

18300 Roscoe Boulevard Pathology Department
Northridge, CA 91328

(818) 885-5398

(818) 718-1916

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Keck Medical Center of USC

300 W. Huntington Drive
Arcadia, CA 91007

1-888-388-2838

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2012 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	19
cytology	17
lab tests	233

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	47
cytology	84
lab tests	291

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	260
Female	348

**Ethnicity**
Non-Hispanic White	369
Black	24
Hispanic	125
Asian	79
Other	11
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	197
85 and over	125
Less than 65	62

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	51
Depression	27
Chronic Kidney Disease	39
Asthma	12
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	28
Diabetes	46
Dementia	19
Cancer	21

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	39
cytology	141
lab tests	272

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	360
Female	437

**Ethnicity**
Non-Hispanic White	477
Black	26
Hispanic	152
Asian	124
Other	0
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	278
85 and over	173
Less than 65	78

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	55
Depression	29
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	17
Atrial Fibrilation	22
Heart Failure	32
Chronic Obstructive Pulmonary Disease	26
Diabetes	46
Dementia	20
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2015 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	38
cytology	150
lab tests	174

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	774
Female	928

**Ethnicity**
Non-Hispanic White	1014
Black	48
Hispanic	306
Asian	300
Other	0
Native American	0

**Age**
From 65 to 74	564
From 75 to 84	584
85 and over	416
Less than 65	138

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	52
Depression	27
Chronic Kidney Disease	48
Asthma	18
Osteoperosis	18
Atrial Fibrilation	22
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	22
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	54
cytology	150
lab tests	284

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	381
Female	510

**Ethnicity**
Non-Hispanic White	482
Black	25
Hispanic	173
Asian	189
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	293
85 and over	202
Less than 65	89

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	51
Depression	27
Chronic Kidney Disease	46
Asthma	29
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	34
Chronic Obstructive Pulmonary Disease	28
Diabetes	47
Dementia	21
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	31
cytology	102
lab tests	201

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	317
Female	403

**Ethnicity**
Non-Hispanic White	370
Black	22
Hispanic	136
Asian	170
Other	22
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	257
85 and over	153
Less than 65	75

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2017

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	51
Depression	31
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	17
Atrial Fibrilation	18
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	48
Dementia	24
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	25
cytology	138
lab tests	211

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	368
Female	455

**Ethnicity**
Non-Hispanic White	443
Black	29
Hispanic	147
Asian	186
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	301
85 and over	147
Less than 65	74

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	48
Depression	33
Chronic Kidney Disease	54
Asthma	9
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	50
Dementia	25
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	23
cytology	170
lab tests	234

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	349
Female	431

**Ethnicity**
Non-Hispanic White	377
Black	33
Hispanic	149
Asian	196
Other	0
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	270
85 and over	158
Less than 65	73

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	54
Depression	30
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	19
Atrial Fibrilation	22
Heart Failure	40
Chronic Obstructive Pulmonary Disease	25
Diabetes	47
Dementia	28
Cancer	21

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2020 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	30
cytology	98
lab tests	165

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	251
Female	318

**Ethnicity**
Non-Hispanic White	259
Black	21
Hispanic	121
Asian	146
Other	0
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	189
85 and over	112
Less than 65	51

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	55
Depression	27
Chronic Kidney Disease	56
Asthma	9
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	38
Chronic Obstructive Pulmonary Disease	23
Diabetes	55
Dementia	25
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2021 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	16
cytology	102
lab tests	183

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	305
Female	350

**Ethnicity**
Non-Hispanic White	298
Black	19
Hispanic	116
Asian	201
Other	21
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	240
85 and over	127
Less than 65	57

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	54
Depression	25
Chronic Kidney Disease	55
Asthma	7
Osteoperosis	17
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	19
Diabetes	50
Dementia	23
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	20
cytology	78
lab tests	217

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	288
Female	335

**Ethnicity**
Non-Hispanic White	264
Black	17
Hispanic	129
Asian	195
Other	18
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	225
85 and over	114
Less than 65	65

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	47
Depression	26
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	21
Atrial Fibrilation	30
Heart Failure	35
Chronic Obstructive Pulmonary Disease	23
Diabetes	57
Dementia	18
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA during 2023 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

consultation	21
cytology	132
lab tests	340

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Male	362
Female	420

**Ethnicity**
Non-Hispanic White	316
Black	0
Hispanic	140
Asian	278
Other	33
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	287
85 and over	107
Less than 65	77

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	20
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	25
Diabetes	55
Dementia	16
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Roger Ernest Der, MD for Medicare patients.

The highest averages for the top procedures that Dr. Roger Ernest Der, MD treated as an anatomic pathologist in Northridge, CA were lab tests, cytology and consultation.

consultation	30
cytology	113
lab tests	233

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Roger Ernest Der, MD.

**Gender**
Female	411
Male	334

**Ethnicity**
Black / African American	22
Asian / Pacific Islander	172
Non-Hispanic White	389
Native American / Alaskan Native	0
Hispanic	141
Other	8

**Age**
75 to 84	260
85 and over	152
Less than 65	69
65 to 74	263

Average of Total of Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	44
Asthma	11
Osteoporosis	15
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	45
Atrial Fibrillation	20
Dementia	20
Cancer	18

Education & Training

He is certified by the Pathology-Anatomic and has a state license in California.

Board Certification: Pathology-Anatomic

Licensed In: California

Affiliations & Hospitals

Dr. Roger Ernest Der, MD is associated with these hospitals and organizations:

Dignity Health

Keck Medical Center of USC

Northridge Hospital 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. Roger Ernest Der, MD appears to accept the following insurance providers: Humana ChoiceCare Network, Great-West Healthcare, Blue Shield of California, MultiPlan, TriWest, Aetna, Interplan, United Healthcare, Medicare, Cigna, Coventry, GEHA, Anthem, First Health, Private Healthcare Systems (PHCS), Beech Street, Health Net, PacifiCare, Brand New Day, Marian Health Services, Watchtower, Health Net Covered California, Kern Health Systems, Laundry and Dry Cleaning Workers Health & Welfare, USC Network, Take Care (GUAM), Union Roofers Health & Welfare Fund, Blue Shield Covered California, Presbyterian Intercommunity Hospital, NEXT and Health Plans of Nevada.

Insurance Accepted by Provider includes:

According to our sources, Dr. Roger Ernest Der, MD accepts the following insurance providers:

Humana ChoiceCare Network

Great-West Healthcare

Blue Shield of California

MultiPlan

TriWest

Aetna

Interplan

United Healthcare

Medicare

Cigna

Coventry

GEHA

Anthem

First Health

Private Healthcare Systems (PHCS)

Beech Street

Health Net

PacifiCare

Brand New Day

Marian Health Services

Watchtower

Health Net Covered California

Kern Health Systems

Laundry and Dry Cleaning Workers Health & Welfare

USC Network

Take Care (GUAM)

Union Roofers Health & Welfare Fund

Blue Shield Covered California

Presbyterian Intercommunity Hospital

Health Plans of Nevada

Ratings & Reviews

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General Payments

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

**Payments by Company**
Abbott Laboratories	$28 Alinity $28
Genentech USA, Inc.	$16 Perjeta $16
Merck Sharp & Dohme LLC	$15 RECARBRIO $15
Beckman Coulter, Inc.	$12 ACCESS 2 $12
GE Healthcare	$7 Omniscan $7

**Types of Payments**
Food and Beverage	$78

Biography

Dr. Roger Der is a medical specialist in anatomic pathology. He appears to be in-network for Anthem, PacifiCare, Blue California, and more. Dr. Der is a graduate of the University of Southern California (USC), Keck School of Medicine. He is affiliated with Keck Medical Center of USC and Northridge Hospital Medical Center. Dignity Health reports that Dr. Der is closed to new patients at this time.

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Dr. Roger Ernest Der, 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. Roger Ernest Der, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Roger Ernest Der, MD 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. Roger Ernest Der, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

Other Providers in Northridge, CA