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Dr. Thomas Lawton Mertz, DO, PharmD

(Dr. Thomas L. Mertz, DO)

(No ratings)

Specializes in: Allergy & Immunology, Internal Medicine (Adult Medicine) and General Pediatrics

Lake Erie College of Osteopathic Medicine (2004)

2585 Freeport Road Suite 1
Pittsburgh, PA 15238

(412) 828-3800

Dr. Thomas Lawton Mertz, DO, PharmD is an allergist and immunologist in Pittsburgh, PA specializing in allergy & immunology, internal medicine (adult medicine) and general pediatrics. He graduated from Lake Erie College of Osteopathic Medicine in 2004 and has 21 years of experience. Dr. Thomas Lawton Mertz, DO, PharmD is affiliated with ALLERGY AND ASTHMA ASSOCIATES OF PITTSBURGH.

Office Locations

2585 Freeport Road Suite 1
Pittsburgh, PA 15238

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In The News (see more mentions in the news)

“Dr. Thomas Mertz, allergist with Allergy and Asthma Associates of Pittsburgh in Harmar, encourages people to try different medications.”—"Yes, allergy season is particularly bad. Here's why it's about to get worse - and what you can do to cope", Pittsburgh Tribune-Review, May 2024

“The increasing overlap between the seasons could be exacerbating symptoms, said Dr. Thomas Mertz, allergist at Allergy and Asthma Associates of Pittsburgh in Harmar.”—"Spring sniffles: Tree pollen season is a little early this year, allergists say", Pittsburgh Tribune-Review, March 2024

“Dr. Thomas Mertz of Allergy and Asthma Associates of Pittsburgh in Harmar also finds that Singulair works well for some people.”—"Doctors advise caution, watchfulness for Singulair side effects", Pittsburgh Tribune-Review, January 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Lawton Mertz, DO, PharmD in 2023

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

Top 10%

By Volume:

injections

In 2023, Dr. Thomas Lawton Mertz, DO, PharmD performed more injections procedures for Medicare patients than 90% of providers in related specialties within Pennsylvania.

Top 25%

By Volume:

percutaneous procedures

By Affordability:

skin testing

In 2013, among providers in related specialties within Pennsylvania, Dr. Thomas Lawton Mertz, DO, PharmD performed more percutaneous procedures procedures for Medicare patients than 75% of them and he also had a list price for skin testing that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2013 were immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

doctor visit	77
immunotherapy	291
injections	291

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	27
Female	77

**Age**
From 65 to 74	45
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2013

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2013 were hypertension, high cholesterol, asthma and depression.

Hypertension	62
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	18
Depression	20
Chronic Kidney Disease	13
Asthma	32
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	14
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2014 were immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

doctor visit	112
immunotherapy	370
injections	370

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	42
Female	93

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	44
85 and over	14
Less than 65	11

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2014

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2014 were hypertension, high cholesterol, asthma and depression.

Hypertension	69
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	11
Asthma	38
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2015 were immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

doctor visit	97
immunotherapy	497
injections	497

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	88
Female	198

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	72
85 and over	36
Less than 65	28

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2015

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2015 were hypertension, high cholesterol, asthma and ischemic heart disease.

Hypertension	52
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	10
Asthma	43
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2016 were skin testing, allergy testing, immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	692
doctor visit	108
immunotherapy	534
injections	534
minimally invasive procedures	483
preventive care	15
skin testing	692
vaccines	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	40
Female	115

**Ethnicity**
Non-Hispanic White	138
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	40
85 and over	12
Less than 65	17

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2016

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2016 were hypertension, high cholesterol, asthma and ischemic heart disease.

Hypertension	61
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	22
Depression	19
Chronic Kidney Disease	14
Asthma	43
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	0
Chronic Obstructive Pulmonary Disease	12
Diabetes	19
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2017 were skin testing, allergy testing, immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	694
doctor visit	110
immunotherapy	473
injections	473
minimally invasive procedures	464
skin testing	694

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	42
Female	97

**Age**
From 65 to 74	81
From 75 to 84	32
85 and over	13
Less than 65	13

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2017

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2017 were hypertension, high cholesterol, asthma and depression.

Hypertension	60
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	16
Asthma	36
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	19
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2018 were skin testing, allergy testing, immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	652
doctor visit	102
immunotherapy	569
injections	569
minimally invasive procedures	451
skin testing	652

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	54
Female	84

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2018

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2018 were hypertension, high cholesterol, asthma and ischemic heart disease.

Hypertension	55
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	25
Depression	24
Chronic Kidney Disease	15
Asthma	40
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2019 were skin testing, allergy testing, immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	653
doctor visit	114
immunotherapy	641
injections	641
minimally invasive procedures	429
preventive care	14
skin testing	653
vaccines	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	62
Female	105

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2019

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2019 were high cholesterol, hypertension, asthma and depression.

Hypertension	56
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	23
Depression	26
Chronic Kidney Disease	17
Asthma	38
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2020 were skin testing, allergy testing, immunotherapy and injections.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	749
doctor visit	119
immunotherapy	745
injections	745
minimally invasive procedures	489
skin testing	749

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	67
Female	125

**Ethnicity**
Non-Hispanic White	166
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	32
85 and over	12
Less than 65	15

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2020

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2020 were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	50
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	17
Asthma	31
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	0
Chronic Obstructive Pulmonary Disease	6
Diabetes	17
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2021 were immunotherapy, injections, skin testing and allergy testing.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	706
doctor visit	153
immunotherapy	855
injections	855
minimally invasive procedures	482
preventive care	14
skin testing	706
vaccines	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	74
Female	129

**Ethnicity**
Non-Hispanic White	183
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2021

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2021 were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	50
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	14
Asthma	32
Osteoperosis	13
Atrial Fibrilation	7
Heart Failure	6
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2022 were immunotherapy, injections, skin testing and allergy testing.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	664
doctor visit	144
immunotherapy	873
injections	873
minimally invasive procedures	462
preventive care	18
skin testing	664
vaccines	18

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	69
Female	118

**Ethnicity**
Non-Hispanic White	169
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	44
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2022

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2022 were high cholesterol, hypertension, asthma and osteoperosis.

Hypertension	60
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	17
Depression	17
Chronic Kidney Disease	11
Asthma	40
Osteoperosis	19
Atrial Fibrilation	8
Heart Failure	6
Chronic Obstructive Pulmonary Disease	13
Diabetes	16
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA during 2023 were immunotherapy, injections, skin testing and minimally invasive procedures.

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

allergy testing	376
doctor visit	145
immunotherapy	604
injections	604
minimally invasive procedures	376
skin testing	376

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	60
Female	120

**Ethnicity**
Non-Hispanic White	164
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2023

The most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated during 2023 were high cholesterol, hypertension, asthma and osteoperosis.

Hypertension	63
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	17
Depression	13
Chronic Kidney Disease	8
Asthma	44
Osteoperosis	20
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	17
Diabetes	17
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Thomas Lawton Mertz, DO, PharmD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas Lawton Mertz, DO, PharmD treated as an allergist and immunologist in Pittsburgh, PA were skin testing, allergy testing, immunotherapy and injections.

allergy testing	648
doctor visit	116
immunotherapy	586
injections	586
minimally invasive procedures	454
preventive care	15
skin testing	648
vaccines	15

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD.

**Gender**
Male	56
Female	114

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	132
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	42
85 and over	7
Less than 65	7
65 to 74	104

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Thomas Lawton Mertz, DO, PharmD treated were hypertension, high cholesterol, asthma and ischemic heart disease.

Hypertension	58
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	13
Asthma	37
Osteoporosis	13
Heart Failure	5
Chronic Obstructive Pulmonary Disease	10
Diabetes	17
Atrial Fibrillation	7
Dementia	0
Cancer	11

Education & Training

Dr. Thomas Lawton Mertz, DO, PharmD graduated from Lake Erie College of Osteopathic Medicine in 2004. He is certified by the Board Certification: American Osteopathic Association - Internal Medicine, Pediatrics, and Pediatric and Adult Allergy and Immunology-Pediatrics and has a state license in Connecticut.

Medical School: Lake Erie College of Osteopathic Medicine (2004)

Board Certification: Board Certification: American Osteopathic Association - Internal Medicine, Pediatrics, and Pediatric and Adult Allergy and Immunology-Pediatrics

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Thomas Lawton Mertz, DO, PharmD is associated with these hospitals and organizations:

ALLERGY AND ASTHMA ASSOCIATES OF PITTSBURGH

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Thomas Lawton Mertz, DO, PharmD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Genentech USA, Inc.	$227 XOLAIR $109	$118
CSL Behring	$160 Berinert $98	Hizentra $61
Dyax Corp	$110 Kalbitor $110
Mylan Specialty L.P.	$109 Dymista $109
Shire US Holdings	$108 FIRAZYR $108
Other	$285 DUPIXENT $177	ADVAIR $28	PROAIR $25	ARNUITY $15	SYMBICORT $14	Other $26

**Types of Payments**
Food and Beverage	$985
Education	$15

Biography

Dr. Thomas Mertz's areas of specialization are general pediatrics and allergy & immunology. He graduated from Lake Erie College of Osteopathic Medicine.

Select Year:

Dr. Thomas Lawton Mertz, DO, PharmD

Office Locations

In The News (see more mentions in the news)

Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Lawton Mertz, DO, PharmD in 2023

By Volume:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Lawton Mertz, DO, PharmD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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