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Home > TX Providers > Pediatric Allergists & Immunologists

Dr. Mark C. Stahl, DO

(Dr. Mark Clayton Stahl, D.O.)

(No ratings)

Specializes in: Pediatric Allergy & Immunology and General Pediatrics

Michigan State University College of Osteopathic Medicine

14615 San Pedro Avenue Suite 250
San Antonio, TX 78232

(210) 490-2051

Dr. Mark C. Stahl, DO is a pediatric allergist and immunologist in San Antonio, TX specializing in pediatric allergy & immunology and general pediatrics. He graduated from Michigan State University College of Osteopathic Medicine. Dr. Mark C. Stahl, DO is affiliated with CHRISTUS Health and Apex Allergy & Asthma.

Office Locations

Apex Allergy & Asthma

14615 San Pedro Avenue Suite 250
San Antonio, TX 78232

(210) 490-2051

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark C. Stahl, DO in 2023

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

Top 5%

By Affordability:

allergy skin testing

allergy testing

percutaneous allergy test

skin testing

In 2023, Dr. Mark C. Stahl, DO had a list price for allergy skin testing, allergy testing, percutaneous allergy test, and skin testing that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Texas. 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:

percutaneous procedures

subcutaneous allergen immunotherapy

In 2013, Dr. Mark C. Stahl, DO performed more percutaneous procedures, and subcutaneous allergen immunotherapy (allergy shots) procedures for Medicare patients than 75% of providers in related specialties within Texas.

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

doctor visit	27

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

doctor visit	47

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Ethnicity**
Non-Hispanic White	13
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2016

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2016 were hypertension, asthma and high cholesterol.

Hypertension	56
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	48
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX during 2017 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

allergy testing	643
doctor visit	44
minimally invasive procedures	643
skin testing	643

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Ethnicity**
Non-Hispanic White	19
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	19
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2017

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2017 were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	53
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	38
Depression	0
Chronic Kidney Disease	0
Asthma	44
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX during 2018 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

allergy testing	773
doctor visit	43
minimally invasive procedures	773
pulmonary testing	15
skin testing	773

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Ethnicity**
Non-Hispanic White	19
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	16
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2018

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2018 were asthma, hypertension, high cholesterol and ischemic heart disease.

Hypertension	47
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	31
Depression	0
Chronic Kidney Disease	0
Asthma	50
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

doctor visit	59

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Gender**
Male	13
Female	30

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

**Age**
From 65 to 74	25
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2019

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2019 were asthma, hypertension, high cholesterol and chronic kidney disease.

Hypertension	53
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	35
Depression	0
Chronic Kidney Disease	35
Asthma	70
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX during 2020 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

allergy testing	970
doctor visit	87
immunotherapy	139
injections	139
minimally invasive procedures	970
skin testing	970

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Gender**
Male	20
Female	46

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

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	14

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2020

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2020 were high cholesterol, hypertension, asthma and diabetes.

Hypertension	59
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	33
Asthma	45
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX during 2021 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

allergy testing	966
doctor visit	106
immunotherapy	635
injections	635
minimally invasive procedures	966
skin testing	966

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Gender**
Male	50
Female	65

**Ethnicity**
Non-Hispanic White	88
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2021

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2021 were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	54
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	19
Asthma	31
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX during 2022 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

allergy testing	1920
doctor visit	164
immunotherapy	1134
injections	1134
minimally invasive procedures	1920
skin testing	1920

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Gender**
Male	48
Female	63

**Ethnicity**
Non-Hispanic White	93
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2022

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2022 were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	61
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	11
Asthma	38
Osteoperosis	18
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX during 2023 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

allergy testing	1220
doctor visit	143
immunotherapy	947
injections	947
minimally invasive procedures	1220
skin testing	1220

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Gender**
Male	46
Female	63

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO in 2023

The most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated during 2023 were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	66
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	13
Asthma	43
Osteoperosis	24
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2015 - 2023

Volume of procedures performed by Dr. Mark C. Stahl, DO for Medicare patients.

The highest averages for the top procedures that Dr. Mark C. Stahl, DO treated as a pediatric allergist and immunologist in San Antonio, TX were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

allergy testing	1082
doctor visit	80
immunotherapy	713
injections	713
minimally invasive procedures	1082
pulmonary testing	15
skin testing	1082

Average Medicare Patient Data From 2015 - 2023

Information about Medicare patients treated by Dr. Mark C. Stahl, DO.

**Gender**
Male	19
Female	29

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	42
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	3
85 and over	0
Less than 65	1
65 to 74	33

Average of Total of Conditions of Medicare patients treated by Dr. Mark C. Stahl, DO From 2015 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Mark C. Stahl, DO treated were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	49
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	23
Depression	8
Chronic Kidney Disease	12
Asthma	41
Osteoporosis	4
Heart Failure	0
Chronic Obstructive Pulmonary Disease	2
Diabetes	10
Atrial Fibrillation	0
Cancer	5
Dementia	0

Education & Training

Dr. Mark C. Stahl, DO graduated from Michigan State University College of Osteopathic Medicine. He completed residency at Keesler Air Force Base Medical Center. He is certified by the Certification: American Board of Allergy and Immunology and has a state license in Ohio.

Medical School: Michigan State University College of Osteopathic Medicine

Residency: Keesler Air Force Base Medical Center

Board Certification: Certification: American Board of Allergy and Immunology

Licensed In: Ohio

Affiliations & Hospitals

Dr. Mark C. Stahl, DO is associated with these hospitals and organizations:

CHRISTUS Health

Apex Allergy & Asthma

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Mark C. Stahl, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$34,002 SPIRIVA RESPIMAT $8,300	Pradaxa $73	$25,629
GlaxoSmithKline, LLC.	$4,475 NUCALA $2,235	TRELEGY ELLIPTA $1,034	BREO $480	AREXVY $219	ANORO $125	Other $382
Optinose US, Inc.	$4,369 Xhance $4,369
Regeneron Pharmaceuticals, Inc.	$3,798 DUPIXENT $3,798
AstraZeneca Pharmaceuticals LP	$3,692 FASENRA $1,436	SYMBICORT $791	TEZSPIRE $653	BEVESPI AEROSPHERE $143	AIRSUPRA $135	Other $535
Other	$23,286 DUPIXENT $4,560	XOLAIR $2,563	Aerospan $1,834	SDG-IDD-Allergy $1,172	Hizentra $1,004	Other $12,153

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$31,450
Food and Beverage	$30,508
Consulting Fee	$8,219
Travel and Lodging	$2,213
Honoraria	$1,000
Other	$232

Biography

Dr. Mark Stahl practices general pediatrics and allergy & immunology. Patients gave him an average rating of 5.0 stars (out of 5). Areas of particular interest for Dr. Stahl include asthma and allergies. He is professionally affiliated with CHRISTUS Health. Before performing his residency at Wright-Patterson Medical Center and Keesler Air Force Base Medical Center, Dr. Stahl attended Michigan State University College of Osteopathic Medicine for medical school.