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Dr. Michael S. Maehara, MD

(436 Ratings)

Specializes in: Adult Rheumatology

St. George's University School of Medicine

2220 Clark Avenue
Long Beach, CA 90815

(562) 597-4181

Dr. Michael S. Maehara, MD is a rheumatologist in Downey, CA specializing in adult rheumatology. He graduated from St. George's University School of Medicine. Dr. Michael S. Maehara, MD is affiliated with PIH Health, MemorialCare and PIH HEALTH PHYSICIANS.

Office Locations

MemorialCare

11480 Brookshire Avenue #204
Downey, CA

(562) 904-4466

open_in_new

2220 Clark Avenue
Long Beach, CA 90815

(562) 597-4181

(562) 597-7083

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael S. Maehara, MD in 2023

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

Top 25%

By Affordability:

bone density test

central DEXA

dual-energy X-ray absorptiometry

In 2012, Dr. Michael S. Maehara, MD 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 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. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2012 were blood draw, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	96
blood draw	195
doctor visit	712
injections	96
musculoskeletal imaging	102
ultrasound (sonogram)	46
X-rays	56

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2013 were blood draw, aspiration, injections and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	94
blood draw	195
doctor visit	640
injections	94
musculoskeletal imaging	79
ultrasound (sonogram)	26
X-rays	53

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	67
Female	255

**Ethnicity**
Non-Hispanic White	134
Black	39
Hispanic	129
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	86
85 and over	27
Less than 65	70

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2013

Hypertension	67
High Cholesterol	50
Stroke	6
Ischemic Heart Disease	26
Depression	24
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	23
Atrial Fibrilation	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2014 were blood draw, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	58
blood draw	149
doctor visit	518
injections	58
musculoskeletal imaging	68
ultrasound (sonogram)	24
X-rays	44

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	49
Female	214

**Ethnicity**
Non-Hispanic White	107
Black	33
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	65
85 and over	19
Less than 65	61

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2014

Hypertension	63
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	23
Depression	23
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	23
Atrial Fibrilation	7
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	7
Cancer	6

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2015 were blood draw, aspiration, injections and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	69
blood draw	181
doctor visit	549
injections	69
musculoskeletal imaging	59
ultrasound (sonogram)	12
X-rays	47

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	90
Female	430

**Ethnicity**
Non-Hispanic White	208
Black	60
Hispanic	206
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	142
85 and over	38
Less than 65	92

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2015

Hypertension	60
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	20
Depression	24
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	23
Atrial Fibrilation	5
Heart Failure	18
Chronic Obstructive Pulmonary Disease	8
Diabetes	35
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2016 were blood draw, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	57
blood draw	201
doctor visit	585
injections	57
musculoskeletal imaging	50
X-rays	50

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	39
Female	232

**Ethnicity**
Non-Hispanic White	106
Black	35
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	69
85 and over	21
Less than 65	52

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2016

Hypertension	62
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	31
Asthma	16
Osteoperosis	27
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2017 were blood draw, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	75
blood draw	193
doctor visit	611
injections	75
musculoskeletal imaging	46
X-rays	46

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	41
Female	233

**Ethnicity**
Non-Hispanic White	103
Black	27
Hispanic	102
Asian	30
Other	12
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	82
85 and over	20
Less than 65	52

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2017

Hypertension	61
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	25
Atrial Fibrilation	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2018 were blood draw, X-rays, musculoskeletal imaging and aspiration.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

aspiration	21
blood draw	143
doctor visit	473
injections	21
musculoskeletal imaging	36
X-rays	36

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	53
Female	202

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	87
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	73
85 and over	22
Less than 65	51

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2018

Hypertension	62
High Cholesterol	48
Stroke	5
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	25
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	9
Cancer	5

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2019 were blood draw, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

blood draw	159
doctor visit	423
musculoskeletal imaging	49
X-rays	49

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	49
Female	185

**Ethnicity**
Non-Hispanic White	90
Black	0
Hispanic	84
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	62
85 and over	21
Less than 65	49

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2019

Hypertension	65
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	25
Atrial Fibrilation	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	38
Dementia	9
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2020 were blood draw, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

blood draw	91
doctor visit	380
musculoskeletal imaging	24
X-rays	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	50
Female	161

**Ethnicity**
Non-Hispanic White	64
Black	26
Hispanic	86
Asian	24
Other	11
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	56
85 and over	16
Less than 65	40

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2020

Hypertension	63
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	27
Depression	27
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	22
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	38
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2021 were blood draw, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

blood draw	65
doctor visit	401
musculoskeletal imaging	46
X-rays	46

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	38
Female	192

**Ethnicity**
Non-Hispanic White	71
Black	0
Hispanic	94
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	61
85 and over	13
Less than 65	45

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2021

Hypertension	63
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	42
Asthma	5
Osteoperosis	24
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	43
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA during 2022 were blood draw, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

blood draw	65
doctor visit	313
musculoskeletal imaging	46
X-rays	46

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	51
Female	142

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	81
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	61
85 and over	13
Less than 65	32

Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD in 2022

Hypertension	72
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	16
Depression	20
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	38
Atrial Fibrilation	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael S. Maehara, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael S. Maehara, MD treated as a rheumatologist in Downey, CA were blood draw, aspiration, injections and musculoskeletal imaging.

aspiration	67
blood draw	148
doctor visit	509
injections	67
musculoskeletal imaging	55
ultrasound (sonogram)	27
X-rays	45

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael S. Maehara, MD.

**Gender**
Male	47
Female	204

**Ethnicity**
Black / African American	20
Asian / Pacific Islander	15
Non-Hispanic White	95
Native American / Alaskan Native	0
Hispanic	97
Other	2

**Age**
75 to 84	68
85 and over	19
Less than 65	49
65 to 74	114

Average of Total of Conditions of Medicare patients treated by Dr. Michael S. Maehara, MD From 2012 - 2022

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

Hypertension	58
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	28
Asthma	7
Osteoporosis	23
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	33
Atrial Fibrillation	5
Dementia	7
Cancer	5

Education & Training

Dr. Michael S. Maehara, MD graduated from St. George's University School of Medicine. He completed residency at VA Long Beach Healthcare System. He is certified by the Board Certification: Internal Medicine and has a state license in California.

Medical School: St. George's University School of Medicine

Residency: VA Long Beach Healthcare System

Board Certification: Board Certification: Internal Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Michael S. Maehara, MD is associated with these hospitals and organizations:

PIH Health

MemorialCare

PIH HEALTH PHYSICIANS

Ratings & Reviews

Dr. Michael S. Maehara, MD has an exceptional overall rating with an average of 4.72 out of 5 stars based on 436 ratings. We collect ratings and reviews of Dr. Michael S. Maehara, MD from all over the web to help you find the right in Downey, CA.

4.72

Overall Rating

(436 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Pfizer Inc.	$2,514 XELJANZ $44	INFLECTRA $38	VYNDAQEL $19	LYRICA $13	$2,400
Celgene Corporation	$2,253 Otezla $1,704	$549
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$222 LifeVest $222
SANOFI-AVENTIS U.S. LLC	$220 TOUJEO $220
SANOFI PASTEUR INC.	$151 FLUZONE QUADRIVALENT $76	NO PRODUCT DISCUSSED $44	FLUZONE HIGH DOSE $18	ADACEL $14
Other	$1,211 RAYOS $119	INVOKANA $102	Smoflipid $100	Pradaxa $97	Humira $92	Other $701

**Types of Payments**
Education	$2,497
Food and Beverage	$2,479
Consulting Fee	$1,000
Travel and Lodging	$594

Biography

Dr. Michael Maehara is a medical specialist in adult rheumatology. He has received a 4.5 out of 5 star rating by his patients. His professional affiliations include MemorialCare and PIH Health. After completing medical school at St. George's University School of Medicine, Dr. Maehara performed his residency at VA Long Beach Healthcare System.