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Dr. Thomas J. Diamant, MD

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(Dr. Thomas Joseph Diamant, MD)

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Specializes in: Adult Pulmonology

McGill University Faculty of Medicine

136 Broadway
Costa Mesa, CA 92627

(949) 642-6200

Dr. Thomas J. Diamant, MD is a pulmonologist in Costa Mesa, CA specializing in adult pulmonology. He graduated from McGill University Faculty of Medicine. Dr. Thomas J. Diamant, MD is affiliated with Hoag and Newport Pulmonary Associates.

Office Locations

Newport Pulmonary Associates

136 Broadway
Costa Mesa, CA 92627

(949) 642-6200

(949) 873-5625

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Thomas J. Diamant, MD in 2023

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

Top 5%

By Affordability:

exhaled nitric oxide test

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Thomas J. Diamant, MD had a list price for exhaled nitric oxide (eNO) test, hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

pulmonary testing

In 2012, Dr. Thomas J. Diamant, MD performed more pulmonary testing procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2012 were hospital care, inpatient care, pulmonary testing and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	111
breathing treatment	129
doctor visit	1272
hospital care	322
inpatient care	322
lab tests	110
preventive care	35
pulmonary testing	280
vaccines	35

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2013 were hospital care, inpatient care, pulmonary testing and lab tests.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	109
breathing treatment	89
bronchoscopy	19
doctor visit	1262
hospital care	433
inpatient care	433
lab tests	110
preventive care	60
pulmonary testing	280
vaccines	60

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	195
Female	180

**Ethnicity**
Non-Hispanic White	347
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	169
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2013

Hypertension	72
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	49
Depression	16
Chronic Kidney Disease	31
Asthma	46
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	31
Chronic Obstructive Pulmonary Disease	46
Diabetes	27
Dementia	10
Cancer	32

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2014 were hospital care, inpatient care, pulmonary testing and lab tests.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	64
breathing treatment	13
doctor visit	1225
hospital care	413
inpatient care	413
lab tests	69
preventive care	44
pulmonary testing	227
vaccines	44

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	195
Female	192

**Ethnicity**
Non-Hispanic White	365
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	159
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2014

Hypertension	72
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	48
Depression	16
Chronic Kidney Disease	28
Asthma	47
Osteoperosis	13
Atrial Fibrilation	26
Heart Failure	32
Chronic Obstructive Pulmonary Disease	49
Diabetes	29
Dementia	12
Cancer	29

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2015 were hospital care, inpatient care, pulmonary testing and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	89
breathing treatment	140
doctor visit	1313
hospital care	358
inpatient care	358
lab tests	86
preventive care	25
pulmonary testing	314
vaccines	25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	402
Female	450

**Ethnicity**
Non-Hispanic White	800
Black	0
Hispanic	0
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	344
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2015

Hypertension	67
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	44
Depression	16
Chronic Kidney Disease	28
Asthma	61
Osteoperosis	15
Atrial Fibrilation	26
Heart Failure	31
Chronic Obstructive Pulmonary Disease	51
Diabetes	26
Dementia	10
Cancer	29

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2016 were pulmonary testing, hospital care, inpatient care and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	87
breathing treatment	138
doctor visit	1265
hospital care	227
inpatient care	227
lab tests	86
preventive care	39
pulmonary testing	309
vaccines	39

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	209
Female	189

**Ethnicity**
Non-Hispanic White	365
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	162
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2016

Hypertension	68
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	47
Depression	16
Chronic Kidney Disease	30
Asthma	72
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	31
Chronic Obstructive Pulmonary Disease	50
Diabetes	28
Dementia	12
Cancer	27

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2017 were pulmonary testing, hospital care, inpatient care and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	51
breathing treatment	131
doctor visit	1169
hospital care	247
inpatient care	247
lab tests	51
preventive care	39
pulmonary testing	297
vaccines	39

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	174
Female	208

**Ethnicity**
Non-Hispanic White	357
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	167
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2017

Hypertension	67
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	51
Depression	19
Chronic Kidney Disease	32
Asthma	47
Osteoperosis	15
Atrial Fibrilation	27
Heart Failure	34
Chronic Obstructive Pulmonary Disease	49
Diabetes	27
Dementia	11
Cancer	26

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2018 were pulmonary testing, hospital care, inpatient care and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	72
breathing treatment	135
doctor visit	1066
hospital care	203
inpatient care	203
lab tests	72
preventive care	110
pulmonary testing	389
vaccines	110

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	169
Female	218

**Ethnicity**
Non-Hispanic White	352
Black	0
Hispanic	0
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	159
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2018

Hypertension	68
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	50
Depression	20
Chronic Kidney Disease	30
Asthma	46
Osteoperosis	19
Atrial Fibrilation	23
Heart Failure	29
Chronic Obstructive Pulmonary Disease	46
Diabetes	25
Dementia	8
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2019 were pulmonary testing, breathing treatment, hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	58
breathing treatment	127
bronchoscopy	14
doctor visit	1089
hospital care	95
inpatient care	95
lab tests	58
preventive care	58
pulmonary testing	447
vaccines	58

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	170
Female	200

**Ethnicity**
Non-Hispanic White	338
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	177
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2019

Hypertension	72
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	64
Depression	22
Chronic Kidney Disease	32
Asthma	48
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	26
Chronic Obstructive Pulmonary Disease	49
Diabetes	28
Dementia	9
Cancer	22

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2020 were pulmonary testing, hospital care, inpatient care and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	29
breathing treatment	82
doctor visit	717
hospital care	85
inpatient care	85
lab tests	29
preventive care	11
pulmonary testing	282
vaccines	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	148
Female	130

**Ethnicity**
Non-Hispanic White	255
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	125
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2020

Hypertension	70
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	67
Depression	21
Chronic Kidney Disease	35
Asthma	47
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	29
Chronic Obstructive Pulmonary Disease	50
Diabetes	29
Dementia	11
Cancer	26

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2021 were pulmonary testing, hospital care, inpatient care and breathing treatment.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	33
breathing treatment	103
doctor visit	754
hospital care	113
inpatient care	113
lab tests	32
preventive care	12
pulmonary testing	295
vaccines	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	155
Female	136

**Ethnicity**
Non-Hispanic White	267
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	140
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2021

Hypertension	72
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	67
Depression	20
Chronic Kidney Disease	36
Asthma	46
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	27
Chronic Obstructive Pulmonary Disease	48
Diabetes	27
Dementia	11
Cancer	25

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA during 2022 were pulmonary testing, breathing treatment, hospital care and inpatient care.

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

blood draw	23
breathing treatment	113
bronchoscopy	11
doctor visit	808
hospital care	58
inpatient care	58
lab tests	21
pulmonary testing	356

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Male	170
Female	161

**Ethnicity**
Non-Hispanic White	301
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	166
85 and over	54
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	22
Asthma	56
Osteoperosis	16
Atrial Fibrilation	31
Heart Failure	20
Chronic Obstructive Pulmonary Disease	48
Diabetes	22
Dementia	4
Cancer	26

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Thomas J. Diamant, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas J. Diamant, MD treated as a pulmonologist in Costa Mesa, CA were pulmonary testing, hospital care, inpatient care and blood draw.

blood draw	66
bronchoscopy	14
doctor visit	1085
hospital care	232
inpatient care	232
lab tests	65
preventive care	43
pulmonary testing	316
vaccines	43

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Thomas J. Diamant, MD.

**Gender**
Female	187
Male	180

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	5
Non-Hispanic White	340
Native American / Alaskan Native	0
Hispanic	1
Other	1

**Age**
85 and over	4
75 to 84	160
Less than 65	0
65 to 74	134

Average of Total of Conditions of Medicare patients treated by Dr. Thomas J. Diamant, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Thomas J. Diamant, MD treated were hypertension, high cholesterol, ischemic heart disease and asthma.

Hypertension	63
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	48
Depression	17
Chronic Kidney Disease	27
Asthma	46
Osteoporosis	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	44
Diabetes	24
Atrial Fibrillation	22
Dementia	8
Cancer	24

Education & Training

Dr. Thomas J. Diamant, MD graduated from McGill University Faculty of Medicine. He completed residency at St. Mary Medical Center, Long Beach. He is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in California.

Medical School: McGill University Faculty of Medicine

Residency: St. Mary Medical Center, Long Beach

Board Certification: American Board of Internal Medicine - Internal Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Thomas J. Diamant, MD is associated with these hospitals and organizations:

Hoag

Newport Pulmonary Associates

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. Thomas J. Diamant, MD appears to accept the following insurance providers: Cigna, Aetna, Anthem, Blue Shield, United Healthcare and Scan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Thomas J. Diamant, MD accepts the following insurance providers:

Cigna

Aetna

Anthem

Blue Shield

United Healthcare

Scan

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$3,384 OFEV $1,521	SPIRIVA RESPIMAT $515	Spiriva $205	STIOLTO $190	COMBIVENT RESPIMAT $138	Other $815
AstraZeneca Pharmaceuticals LP	$2,671 FASENRA $852	SYMBICORT $680	BEVESPI AEROSPHERE $306	BREZTRI $278	DALIRESP $140	Other $414
GlaxoSmithKline, LLC.	$2,002 TRELEGY ELLIPTA $839	NUCALA $587	ANORO $203	INCRUSE $198	BREO $138	Other $36
Sunovion Pharmaceuticals Inc.	$803 Brovana $658	LATUDA $112	Lonhala Magnair $33
Mylan Specialty L.P.	$730 Yupelri $503	Perforomist $196	EpiPen $31
Other	$6,626 Prolastin-C Liquid $571	DUPIXENT $560	CUVITRU $464	Esbriet $420	ELIQUIS $271	Other $4,341

**Types of Payments**
Food and Beverage	$15,827
Education	$288
Consulting Fee	$102

Research Payments

Dr. Thomas J. Diamant, MD has received 2 research payments totaling $40,629.

Biography

Dr. Thomas Diamant is a Costa Mesa, CA physician who specializes in adult pulmonology. He seems to honor Blue Shield, Anthem, Blue California, and more. Before performing his residency at St. Mary Medical Center, Long Beach, Dr. Diamant attended McGill University Faculty of Medicine for medical school. Dr. Diamant's professional affiliations include Greater Newport Physicians and Hoag. Dr. Diamant has an open panel in Costa Mesa, CA according to Hoag.