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Dr. Daniel Mark Gromis, MD

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Specializes in: Emergency Medicine

University of California, Irvine, School of Medicine

217 Rochester Street Unit B
Costa Mesa, CA 92627

(949) 466-2177

Dr. Daniel Mark Gromis, MD is an emergency medicine doctor in Orange, CA specializing in emergency medicine. He graduated from University of California, Irvine, School of Medicine. Dr. Daniel Mark Gromis, MD is affiliated with Children's Hospital of Orange County.

Office Locations

Children's Hospital of Orange County

1310 West Stewart Drive Suite 212
Orange, CA 92868

(714) 543-8911

(714) 543-8914

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217 Rochester Street Unit B
Costa Mesa, CA 92627

(949) 466-2177

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Noteworthy Medicare Patient Procedures Performed by Dr. Daniel Mark Gromis, MD in 2023

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

Top 10%

By Volume:

hospital care

In 2023, Dr. Daniel Mark Gromis, MD performed more hospital care procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Affordability:

cardiac imaging

echocardiogram

transthoracic echocardiography

In 2012, Dr. Daniel Mark Gromis, MD had a list price for cardiac imaging, echocardiogram (echo), and transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2012 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	159
hospital care	95
outpatient care	95

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2013 were emergency care, outpatient care, hospital care and X-rays.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	402
hip imaging	12
hospital care	124
musculoskeletal imaging	12
outpatient care	124
thoracic (chest) imaging	68
X-rays	80

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	288
Female	409

**Ethnicity**
Non-Hispanic White	419
Black	0
Hispanic	148
Asian	66
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	199
85 and over	169
Less than 65	146

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	13
Ischemic Heart Disease	53
Depression	32
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	15
Atrial Fibrilation	24
Heart Failure	37
Chronic Obstructive Pulmonary Disease	22
Diabetes	42
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2014 were emergency care, outpatient care, hospital care and X-rays.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	425
hip imaging	11
hospital care	135
musculoskeletal imaging	11
outpatient care	135
pelvic imaging	13
spinal procedures	12
thoracic (chest) imaging	94
X-rays	130

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	273
Female	412

**Ethnicity**
Non-Hispanic White	398
Black	55
Hispanic	160
Asian	61
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	171
85 and over	176
Less than 65	150

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	53
Depression	35
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	23
Diabetes	44
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2015 were emergency care, X-rays, outpatient care and hospital care.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	443
hip imaging	17
hospital care	117
musculoskeletal imaging	17
outpatient care	117
pelvic imaging	20
thoracic (chest) imaging	115
X-rays	152

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	622
Female	818

**Ethnicity**
Non-Hispanic White	876
Black	108
Hispanic	334
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	408
85 and over	350
Less than 65	308

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	14
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	52
Asthma	22
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	28
Diabetes	46
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2016 were emergency care, X-rays, thoracic (chest) imaging and outpatient care.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	329
hospital care	80
outpatient care	80
thoracic (chest) imaging	105
X-rays	105

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	235
Female	323

**Ethnicity**
Non-Hispanic White	394
Black	0
Hispanic	89
Asian	51
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	151
85 and over	170
Less than 65	80

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	53
Depression	34
Chronic Kidney Disease	50
Asthma	30
Osteoperosis	16
Atrial Fibrilation	26
Heart Failure	38
Chronic Obstructive Pulmonary Disease	29
Diabetes	38
Dementia	28
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2017 were emergency care, ultrasound (sonogram), cardiac procedures and X-rays.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

cardiac procedures	94
emergency care	703
hospital care	20
musculoskeletal imaging	16
outpatient care	20
thoracic (chest) imaging	70
ultrasound (sonogram)	94
X-rays	86

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	398
Female	534

**Ethnicity**
Non-Hispanic White	779
Black	0
Hispanic	58
Asian	41
Other	33
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	288
85 and over	268
Less than 65	98

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	13
Ischemic Heart Disease	50
Depression	36
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2018 were emergency care, ultrasound (sonogram), cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

cardiac procedures	104
emergency care	656
gastrointestinal procedures	15
hospital care	12
minimally invasive procedures	15
musculoskeletal imaging	15
outpatient care	12
ultrasound (sonogram)	104
X-rays	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	353
Female	426

**Ethnicity**
Non-Hispanic White	624
Black	0
Hispanic	49
Asian	40
Other	30
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	256
85 and over	198
Less than 65	87

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	50
Depression	36
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	17
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2019 were emergency care, outpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

cardiac procedures	20
emergency care	275
hospital care	115
outpatient care	115
thoracic (chest) imaging	11
ultrasound (sonogram)	31

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	231
Female	289

**Ethnicity**
Non-Hispanic White	349
Black	16
Hispanic	96
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	162
85 and over	141
Less than 65	86

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	48
Depression	39
Chronic Kidney Disease	55
Asthma	11
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	28
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2020 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	142
hospital care	69
outpatient care	69

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	164
Female	213

**Ethnicity**
Non-Hispanic White	252
Black	0
Hispanic	78
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	118
85 and over	95
Less than 65	54

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	13
Ischemic Heart Disease	55
Depression	43
Chronic Kidney Disease	61
Asthma	11
Osteoperosis	14
Atrial Fibrilation	22
Heart Failure	42
Chronic Obstructive Pulmonary Disease	17
Diabetes	41
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2021 were emergency care, outpatient care and hospital care.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	144
hospital care	105
outpatient care	105

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	168
Female	219

**Ethnicity**
Non-Hispanic White	254
Black	0
Hispanic	83
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	118
85 and over	81
Less than 65	70

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	46
Depression	40
Chronic Kidney Disease	60
Asthma	10
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	43
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	25
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA during 2022 were outpatient care, hospital care and emergency care.

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

emergency care	162
hospital care	178
outpatient care	178

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	198
Female	244

**Ethnicity**
Non-Hispanic White	285
Black	0
Hispanic	100
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	149
85 and over	101
Less than 65	75

Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	38
Depression	31
Chronic Kidney Disease	43
Asthma	14
Osteoperosis	19
Atrial Fibrilation	32
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Dementia	19
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Daniel Mark Gromis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Daniel Mark Gromis, MD treated as an emergency medicine doctor in Orange, CA were emergency care, hospital care, outpatient care and X-rays.

cardiac procedures	72
emergency care	349
gastrointestinal procedures	15
hip imaging	13
hospital care	95
minimally invasive procedures	15
musculoskeletal imaging	14
outpatient care	95
pelvic imaging	16
spinal procedures	12
thoracic (chest) imaging	77
ultrasound (sonogram)	76
X-rays	94

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Daniel Mark Gromis, MD.

**Gender**
Male	266
Female	353

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	37
Non-Hispanic White	420
Native American / Alaskan Native	0
Hispanic	108
Other	5

**Age**
75 to 84	183
85 and over	159
Less than 65	104
65 to 74	172

Average of Total of Conditions of Medicare patients treated by Dr. Daniel Mark Gromis, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	60
Stroke	12
Ischemic Heart Disease	45
Depression	32
Chronic Kidney Disease	45
Asthma	13
Osteoporosis	13
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Atrial Fibrillation	22
Dementia	22
Cancer	13

Education & Training

Dr. Daniel Mark Gromis, MD graduated from University of California, Irvine, School of Medicine. He completed residency at Advocate Christ Medical Center, Oak Lawn. He is certified by the Board Certification: Emergency Medicine and has a state license in California.

Medical School: University of California, Irvine, School of Medicine

Residency: Advocate Christ Medical Center, Oak Lawn

Board Certification: Board Certification: Emergency Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Daniel Mark Gromis, MD is associated with these hospitals and organizations:

Children's Hospital of Orange County

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$244 XARELTO $244
Pfizer Inc.	$28 ELIQUIS $28
GlaxoSmithKline, LLC.	$17 BREO $17

**Types of Payments**
Food and Beverage	$289

Biography

Dr. Daniel Gromis is a specialist in emergency medicine. He works in Costa Mesa, CA and Orange, CA. Dr. Gromis is professionally affiliated with Children's Hospital of Orange County. He graduated from the University of California, Irvine, School of Medicine and then he performed his residency at Advocate Christ Medical Center, Oak Lawn.