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Home > CA Providers > Intensivists & Critical Care Specialists

Dr. Toby Michael Maher, MD, PhD

(Dr. Toby Maher, MD)

(50 Ratings)

Specializes in: Adult Pulmonology and Critical Care (Intensive Care Medicine)

Professional interests include: lung issues, intensive care

1510 San Pablo Street Hc1 Suite 514 Hc1 - Suite 514
Los Angeles, CA 90033

(323) 442-8415

Dr. Toby Michael Maher, MD, PhD is a pulmonologist in Los Angeles, CA specializing in adult pulmonology and critical care (intensive care medicine). Dr. Toby Michael Maher, MD, PhD is affiliated with Keck Medical Center of USC and USC CARE MEDICAL GROUP INC.

Office Locations

Keck Medical Center of USC

1441 Eastlake Avenue
Los Angeles, CA 90033

1-800-872-2273

open_in_new

Keck Medical Center of USC

1510 San Pablo Street Hc1 Suite 514 Hc1 - Suite 514
Los Angeles, CA 90033

(323) 442-8415

open_in_new

Some issues Dr. Toby Michael Maher, MD, PhD can help you with:

Lung Issues

Every cell in the body requires oxygen to function and produces carbon dioxide as a waste product. In order to keep the body's tissues constantly supplied with fresh oxygen and to keep waste from building up, the lungs pump air in and out, even while sleeping or unaware. Unfortunately, diseases and disorders affecting the lungs are some of the most common medical problems afflicting people around the world. Some of the most common lung problems include asthma, COPD, pneumonia, and lung cancer.

Asthma is a chronic disease where swollen, inflamed airways make it hard to breathe. It is often brought on by specific triggers. While asthma is a common condition, affecting millions of people, it can also be serious and even fatal in severe cases. Treatment involves avoiding triggers and using inhaled corticosteroid medications.

COPD, or Chronic Obstructive Pulmonary Disease, is the name given to two illnesses that both cause difficulty breathing: emphysema and chronic bronchitis. In emphysema, the air sacs of the lungs become damaged, while with bronchitis they become clogged with mucus. COPD is the fourth leading cause of death in the United States. It is almost always caused by breathing irritants into the lungs, such as smoking or heavy pollution.

Pneumonia is a lung infection that can be caused by bacteria, a virus, or fungi. Most healthy people recover from pneumonia in a week or two, but for some people pneumonia can be fatal. There are treatments available for pneumonia, but the best treatment is to prevent getting sick in the first place. People who are at risk should make sure they get a flu shot every year. There is also a vaccine available for the type of bacteria that causes pneumonia.

Lung cancer occurs when abnormal cells inside the lung grow into a tumor, destroying healthy tissue. Because it is so difficult to detect lung cancer in early stages when it has few symptoms, it is the deadliest form of cancer, responsible for the most cancer deaths both in the U.S. and worldwide. Most lung cancer is caused by exposure to tobacco smoke, but between 10-15% of cases are not linked to smoking.

Some problems with the lungs are minor and are not cause for concern. However if symptoms have lasted for a month or more, even if they are minor, it is worth checking with a healthcare professional. A cough, shortness of breath, or excess mucus production that lingers for weeks are all worth getting looked at.

In The News (see more mentions in the news)

“Results were similar for the 43.5% of patients on the antifibrotic drug nintedanib (Ofev) and those not on it, reported Toby M. Maher, MD, of the University of Southern California in Los Angeles,...”—"Progressive Pulmonary Fibrosis Slows With Novel Agent", MedPage Today, May 2025

“In terms of early-phase clinical trial results, these are among the two most exciting sets of results we've seen," said Toby Maher, MD, PhD, of the Keck School of Medicine at the University of...”—"Novel Drugs for IPF Improve Lung Function in Mid-Stage Trials", MedPage Today, May 2024

“With 101 patients randomized between the two drugs and treated for 20 weeks, both groups saw increases in forced vital capacity (FVC) of about 100 mL from baseline, reported Toby Maher, MB, MSc,...”—"Safer Alternative to Cyclophosphamide at Hand for ILD?", MedPage Today, November 2022

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Toby Michael Maher, MD, PhD for Medicare patients.

doctor visit	35

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Michael Maher, MD, PhD.

**Gender**
Male	20
Female	20

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Toby Michael Maher, MD, PhD in 2020

The most common conditions of Medicare patients that Dr. Toby Michael Maher, MD, PhD treated during 2020 were hypertension, high cholesterol, ischemic heart disease and chronic obstructive pulmonary disease.

Hypertension	73
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	58
Depression	0
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	40
Chronic Obstructive Pulmonary Disease	48
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Toby Michael Maher, MD, PhD for Medicare patients.

doctor visit	280

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Michael Maher, MD, PhD.

**Gender**
Male	64
Female	82

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	52
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	41
85 and over	15
Less than 65	33

Conditions of Medicare patients treated by Dr. Toby Michael Maher, MD, PhD in 2021

The most common conditions of Medicare patients that Dr. Toby Michael Maher, MD, PhD treated during 2021 were hypertension, ischemic heart disease, high cholesterol and chronic obstructive pulmonary disease.

Hypertension	71
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	64
Depression	26
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	25
Atrial Fibrilation	12
Heart Failure	32
Chronic Obstructive Pulmonary Disease	45
Diabetes	34
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Toby Michael Maher, MD, PhD for Medicare patients.

doctor visit	414

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Michael Maher, MD, PhD.

**Gender**
Male	80
Female	111

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	68
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	52
85 and over	25
Less than 65	34

Conditions of Medicare patients treated by Dr. Toby Michael Maher, MD, PhD in 2022

The most common conditions of Medicare patients that Dr. Toby Michael Maher, MD, PhD treated during 2022 were hypertension, high cholesterol, chronic obstructive pulmonary disease and ischemic heart disease.

Hypertension	75
High Cholesterol	74
Stroke	10
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	25
Atrial Fibrilation	21
Heart Failure	30
Chronic Obstructive Pulmonary Disease	57
Diabetes	43
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Toby Michael Maher, MD, PhD for Medicare patients.

doctor visit	612

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Michael Maher, MD, PhD.

**Gender**
Male	111
Female	167

**Ethnicity**
Non-Hispanic White	113
Black	18
Hispanic	99
Asian	35
Other	13
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	89
85 and over	29
Less than 65	47

Conditions of Medicare patients treated by Dr. Toby Michael Maher, MD, PhD in 2023

The most common conditions of Medicare patients that Dr. Toby Michael Maher, MD, PhD treated during 2023 were high cholesterol, hypertension, chronic obstructive pulmonary disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	51
Depression	25
Chronic Kidney Disease	30
Asthma	25
Osteoperosis	29
Atrial Fibrilation	20
Heart Failure	31
Chronic Obstructive Pulmonary Disease	56
Diabetes	43
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2020 - 2023

Volume of procedures performed by Dr. Toby Michael Maher, MD, PhD for Medicare patients.

doctor visit	335

Average Medicare Patient Data From 2020 - 2023

Information about Medicare patients treated by Dr. Toby Michael Maher, MD, PhD.

**Gender**
Male	68
Female	95

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	21
Non-Hispanic White	60
Hispanic	59
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	45
85 and over	17
Less than 65	28
65 to 74	66

Average of Total of Conditions of Medicare patients treated by Dr. Toby Michael Maher, MD, PhD From 2020 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Toby Michael Maher, MD, PhD treated were hypertension, high cholesterol, ischemic heart disease and chronic obstructive pulmonary disease.

Hypertension	73
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	56
Depression	18
Chronic Kidney Disease	35
Asthma	13
Osteoporosis	19
Heart Failure	33
Chronic Obstructive Pulmonary Disease	51
Diabetes	38
Atrial Fibrillation	13
Dementia	4
Cancer	13

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Toby Michael Maher, MD, PhD is associated with these hospitals and organizations:

Keck Medical Center of USC

USC CARE MEDICAL GROUP INC

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. Toby Michael Maher, MD, PhD appears to accept the following insurance providers: Humana ChoiceCare Network, Great-West Healthcare, Blue Shield of California, MultiPlan, TriWest, United Healthcare, Interplan, Aetna, Medicare, Coventry, Cigna, GEHA, Anthem, First Health, Private Healthcare Systems (PHCS), Beech Street, PacifiCare, Health Net, 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. Toby Michael Maher, MD, PhD accepts the following insurance providers:

Humana ChoiceCare Network

Great-West Healthcare

Blue Shield of California

MultiPlan

TriWest

United Healthcare

Interplan

Aetna

Medicare

Coventry

Cigna

GEHA

Anthem

First Health

Private Healthcare Systems (PHCS)

Beech Street

PacifiCare

Health Net

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

Dr. Toby Michael Maher, MD, PhD has an exceptional overall rating with an average of 4.96 out of 5 stars based on 50 ratings. We collect ratings and reviews of Dr. Toby Michael Maher, MD, PhD from all over the web to help you find the right in Los Angeles, CA.

4.96

Overall Rating

(50 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Boehringer Ingelheim International GmbH	$93,802 OFEV $80,474	$13,328
Daiichi Sankyo Inc.	$40,861 Enhertu $40,861
GlaxoSmithKline, LLC.	$28,252 BENLYSTA $2,925	NUCALA $31	$25,296
Boehringer Ingelheim Pharmaceuticals, Inc.	$16,517 OFEV $7,849	$8,668
AstraZeneca Pharmaceuticals LP	$14,000 $14,000
Other	$73,083 TYVASO $166	$72,918

**Types of Payments**
Consulting Fee	$200,936
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$39,220
Travel and Lodging	$23,591
Food and Beverage	$2,155
Royalty or License	$613

Research Payments

Dr. Toby Michael Maher, MD, PhD has received 48 research payments totaling $11,545,692.

Biography

Dr. Toby Maher's areas of specialization are critical care (intensive care medicine) and adult pulmonology. Areas of particular interest for Dr. Maher include intensive care and lung issues. His average rating from his patients is 5.0 stars (out of 5). Anthem, PacifiCare, and Blue California are among the insurance carriers that Dr. Maher honors. He is professionally affiliated with Keck Medical Center of USC.