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Dr. Jaime Alonso Diaz, MD

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Specializes in: Emergency Medicine

University of California, Davis, School of Medicine

15733 Whittier Boulevard
Whittier, CA 90603

(562) 947-7754

Dr. Jaime Alonso Diaz, MD is an emergency medicine doctor in Whittier, CA specializing in emergency medicine. He graduated from University of California, Davis, School of Medicine. Dr. Jaime Alonso Diaz, MD is affiliated with PIH Health.

Office Locations

PIH Health

15733 Whittier Boulevard
Whittier, CA 90603

(562) 947-7754

(562) 902-9599

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PIH Health

1850 S Azusa Avenue #88
Hacienda Heights, CA 91745

(626) 225-4900

(626) 225-4901

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4929 Van Nuys Boulevard
Sherman Oaks, CA 91403

(818) 907-4570

(818) 907-2814

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In The News

“Testing kits have been in such short supply at the PIH Health Downey Hospital that only patients whose treatment would be altered by a positive result get them, Dr. Jaime Diaz, an emergency...”—"California is still way behind in coronavirus testing despite recent advances", Los Angeles Times, April 2020

“The three Los Angeles hospitals run by PIH Health - Downey, Good Samaritan and Whittier - are running low on hand sanitizer and wipes, and nurses on COVID wards have been asked to wear a single N95...”—"Despite promises of more masks, doctors and nurses have to reuse N95s", Los Angeles Times, April 2020

“The center offers access to medical care with shorter wait times than an emergency room, Dr. Jaime Diaz, chief medical officer for PIH Health Hospital - Downey, said in an emailed release.”—"PIH Health opens new urgent care center in La Habra", The Orange County Register, November 2018

Noteworthy Medicare Patient Procedures Performed by Dr. Jaime Alonso Diaz, MD in 2023

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

Top 5%

By Volume:

central DEXA

By Affordability:

bone density test

central DEXA

dual-energy X-ray absorptiometry

In 2023, among providers in related specialties within California, Dr. Jaime Alonso Diaz, MD performed more central DEXA procedures for Medicare patients than 95% of them and he also had a list price for bone density test, central DEXA, and dual-energy X-ray absorptiometry (DEXA) 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:

X-rays

In 2023, Dr. Jaime Alonso Diaz, MD performed more X-rays procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Affordability:

spine imaging

spine X-ray

In 2012, Dr. Jaime Alonso Diaz, MD had a list price for spine imaging, and spine X-ray 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. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2012 were emergency care, X-rays, thoracic (chest) imaging and catheterization.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

catheterization	18
emergency care	825
pelvic imaging	18
thoracic (chest) imaging	234
tracheal (windpipe) procedures	14
X-rays	252

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2013 were emergency care, X-rays, thoracic (chest) imaging and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

catheterization	18
emergency care	792
musculoskeletal imaging	13
pelvic imaging	16
thoracic (chest) imaging	208
tracheal (windpipe) procedures	22
X-rays	237

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	350
Female	450

**Ethnicity**
Non-Hispanic White	355
Black	49
Hispanic	342
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	213
85 and over	167
Less than 65	215

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	55
Depression	42
Chronic Kidney Disease	51
Asthma	17
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	48
Chronic Obstructive Pulmonary Disease	34
Diabetes	55
Dementia	28
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2014 were emergency care, X-rays, thoracic (chest) imaging and catheterization.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

catheterization	12
doctor visit	48
emergency care	548
pelvic imaging	11
thoracic (chest) imaging	83
X-rays	94

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	251
Female	352

**Ethnicity**
Non-Hispanic White	266
Black	33
Hispanic	258
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	158
85 and over	133
Less than 65	149

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	53
Depression	38
Chronic Kidney Disease	53
Asthma	16
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	55
Dementia	31
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2015 were emergency care, X-rays, thoracic (chest) imaging and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

doctor visit	99
emergency care	440
thoracic (chest) imaging	41
tracheal (windpipe) procedures	14
X-rays	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	432
Female	706

**Ethnicity**
Non-Hispanic White	556
Black	48
Hispanic	428
Asian	74
Other	32
Native American	0

**Age**
From 65 to 74	366
From 75 to 84	308
85 and over	250
Less than 65	214

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	13
Ischemic Heart Disease	57
Depression	39
Chronic Kidney Disease	52
Asthma	20
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	44
Chronic Obstructive Pulmonary Disease	28
Diabetes	54
Dementia	28
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2016 were emergency care, X-rays, thoracic (chest) imaging and lab tests.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

catheterization	11
doctor visit	127
emergency care	402
lab tests	16
thoracic (chest) imaging	44
tracheal (windpipe) procedures	16
X-rays	44

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	225
Female	326

**Ethnicity**
Non-Hispanic White	288
Black	16
Hispanic	204
Asian	30
Other	13
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	143
85 and over	115
Less than 65	116

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	53
Depression	37
Chronic Kidney Disease	54
Asthma	32
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	44
Chronic Obstructive Pulmonary Disease	30
Diabetes	51
Dementia	27
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2017 were emergency care, lab tests, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

breathing treatment	12
doctor visit	347
emergency care	302
lab tests	93
thoracic (chest) imaging	34
X-rays	34

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	239
Female	386

**Ethnicity**
Non-Hispanic White	344
Black	25
Hispanic	203
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	174
85 and over	111
Less than 65	106

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	48
Depression	34
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	45
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2018 were lab tests, emergency care and breathing treatment.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

breathing treatment	22
doctor visit	853
emergency care	33
lab tests	222

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	306
Female	523

**Ethnicity**
Non-Hispanic White	556
Black	13
Hispanic	140
Asian	91
Other	29
Native American	0

**Age**
From 65 to 74	390
From 75 to 84	233
85 and over	129
Less than 65	77

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2018

Hypertension	66
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2019 were lab tests, breathing treatment, X-rays and spinal procedures.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

breathing treatment	22
diabetes management	13
doctor visit	668
lab tests	181
spinal procedures	13
X-rays	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	248
Female	467

**Ethnicity**
Non-Hispanic White	392
Black	12
Hispanic	196
Asian	95
Other	20
Native American	0

**Age**
From 65 to 74	341
From 75 to 84	184
85 and over	111
Less than 65	79

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2019

Hypertension	66
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	36
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2020 were X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

doctor visit	101
musculoskeletal imaging	17
X-rays	17

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	77
Female	126

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	77
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	59
85 and over	28
Less than 65	21

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2020

Hypertension	69
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2021 were X-rays, musculoskeletal imaging and lab tests.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

doctor visit	96
lab tests	28
musculoskeletal imaging	74
X-rays	74

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	77
Female	202

**Ethnicity**
Non-Hispanic White	103
Black	0
Hispanic	103
Asian	57
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	79
85 and over	39
Less than 65	23

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2021

Hypertension	72
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	22
Atrial Fibrilation	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	40
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA during 2022 were X-rays, musculoskeletal imaging, lab tests and spinal procedures.

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

doctor visit	130
lab tests	36
musculoskeletal imaging	69
spinal procedures	11
X-rays	80

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	115
Female	191

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	107
Asian	62
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	109
85 and over	47
Less than 65	25

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	24
Depression	14
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	25
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	42
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jaime Alonso Diaz, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jaime Alonso Diaz, MD treated as an emergency medicine doctor in Whittier, CA were emergency care, thoracic (chest) imaging, lab tests and X-rays.

catheterization	14
diabetes management	13
doctor visit	274
emergency care	477
lab tests	96
musculoskeletal imaging	43
pelvic imaging	15
spinal procedures	12
thoracic (chest) imaging	107
tracheal (windpipe) procedures	16
X-rays	88

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jaime Alonso Diaz, MD.

**Gender**
Male	210
Female	339

**Ethnicity**
Black / African American	17
Asian / Pacific Islander	46
Non-Hispanic White	278
Native American / Alaskan Native	0
Hispanic	187
Other	8

**Age**
75 to 84	150
85 and over	102
Less than 65	93
65 to 74	203

Average of Total of Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Jaime Alonso Diaz, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	65
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	38
Asthma	13
Osteoporosis	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Atrial Fibrillation	12
Cancer	10
Dementia	17

Education & Training

Dr. Jaime Alonso Diaz, MD graduated from University of California, Davis, School of Medicine. He completed residency at Los Angeles County+USC Medical Center. He has a state license in California.

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

Residency: Los Angeles County+USC Medical Center

Licensed In: California

Affiliations & Hospitals

Dr. Jaime Alonso Diaz, MD is associated with these hospitals and organizations:

PIH Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$104 GENERAL VASCULAR INTERVENTION $104
SANOFI PASTEUR INC.	$25 NO PRODUCT DISCUSSED $25
Abbott Laboratories	$18 Proclaim Family of SCS IPGs $18
CSL Behring	$11 Kcentra $11

**Types of Payments**
Food and Beverage	$133
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$25

Biography

Dr. Jaime Diaz's area of specialization is emergency medicine. After completing medical school at the University of California, Davis, School of Medicine, Dr. Diaz performed his residency at Los Angeles County+USC Medical Center. He is affiliated with PIH Health.

Select Year:

Dr. Jaime Alonso Diaz, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Jaime Alonso Diaz, MD in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

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. Jaime Alonso Diaz, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jaime Alonso Diaz, 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. Jaime Alonso Diaz, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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