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Home > AL Providers > Allergists & Immunologists

Dr. Karen B. Barker, MD

(318 Ratings)

Specializes in: Allergy & Immunology and General Pediatrics

100 Memorial Hospital Drive Suite 1a
Mobile, AL 36608

(251) 343-6848

Dr. Karen B. Barker, MD is an allergist and immunologist in Mobile, AL specializing in allergy & immunology and general pediatrics. Dr. Karen B. Barker, MD is affiliated with Infirmary Health, Mobile Infirmary and Pulmonary Associates Of Mobile.

Office Locations

100 Memorial Hospital Drive Suite 1a
Mobile, AL 36608

(251) 343-6848

(251) 343-5708

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2001 Spring Hill Avenue
Mobile, AL 36607

(251) 433-3344

(251) 433-4052

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5955 Airport Boulevard
Mobile, AL 36608

(251) 633-0573

(251) 633-7367

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Mobile Infirmary

8725 County Road 64
Daphne, AL 36526

(251) 625-1370

(251) 625-1380

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Noteworthy Medicare Patient Procedures Performed by Dr. Karen B. Barker, MD in 2023

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

Top 5%

By Volume:

subcutaneous allergen immunotherapy

By Affordability:

allergen immunotherapy

immunotherapy

maximum voluntary ventilation

subcutaneous allergen immunotherapy

In 2023, among providers in related specialties within Alabama, Dr. Karen B. Barker, MD performed more subcutaneous allergen immunotherapy (allergy shots) procedures for Medicare patients than 95% of them and she also had a list price for allergen immunotherapy, immunotherapy, maximum voluntary ventilation, and subcutaneous allergen immunotherapy (allergy shots) that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

percutaneous allergy test

pulmonary function test

In 2012, Dr. Karen B. Barker, MD performed more percutaneous allergy test, and pulmonary function test (PFT) procedures for Medicare patients than 75% of providers in related specialties within Alabama.

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL during 2017 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

allergy testing	563
doctor visit	11
minimally invasive procedures	563
pulmonary testing	39
skin testing	563

Conditions of Medicare patients treated by Dr. Karen B. Barker, MD in 2017

Hypertension	0
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
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. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL during 2018 were skin testing, allergy testing, minimally invasive procedures and pulmonary testing.

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

allergy testing	1561
blood draw	12
doctor visit	144
minimally invasive procedures	1274
pulmonary testing	147
skin testing	1561

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen B. Barker, MD.

**Gender**
Male	23
Female	46

**Age**
From 65 to 74	36
From 75 to 84	15
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen B. Barker, MD in 2018

Hypertension	61
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	36
Depression	25
Chronic Kidney Disease	17
Asthma	33
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL during 2019 were skin testing, allergy testing, minimally invasive procedures and pulmonary testing.

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

allergy testing	2072
doctor visit	180
minimally invasive procedures	1541
pulmonary testing	246
skin testing	2072

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen B. Barker, MD.

**Gender**
Male	31
Female	66

**Age**
From 65 to 74	59
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen B. Barker, MD in 2019

Hypertension	63
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	19
Asthma	29
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	0
Chronic Obstructive Pulmonary Disease	19
Diabetes	24
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL during 2020 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

allergy testing	1751
doctor visit	164
immunotherapy	199
injections	199
minimally invasive procedures	1286
pulmonary testing	119
skin testing	1751

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen B. Barker, MD.

**Gender**
Male	23
Female	62

**Age**
From 65 to 74	54
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Karen B. Barker, MD in 2020

Hypertension	54
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	19
Depression	26
Chronic Kidney Disease	15
Asthma	33
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL during 2021 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

allergy testing	2610
doctor visit	225
immunotherapy	288
injections	288
minimally invasive procedures	2044
pulmonary testing	210
skin testing	2610

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen B. Barker, MD.

**Gender**
Male	29
Female	91

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen B. Barker, MD in 2021

Hypertension	62
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	18
Asthma	31
Osteoperosis	17
Atrial Fibrilation	12
Heart Failure	0
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL during 2022 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

allergy testing	1450
doctor visit	209
immunotherapy	231
injections	231
minimally invasive procedures	1236
pulmonary testing	191
skin testing	1450

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen B. Barker, MD.

**Gender**
Male	37
Female	83

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen B. Barker, MD in 2022

Hypertension	68
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	15
Asthma	39
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	0
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2022

Volume of procedures performed by Dr. Karen B. Barker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen B. Barker, MD treated as an allergist and immunologist in Mobile, AL were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

allergy testing	1667
blood draw	12
doctor visit	155
immunotherapy	239
injections	239
minimally invasive procedures	1324
pulmonary testing	158
skin testing	1667

Average Medicare Patient Data From 2017 - 2022

Information about Medicare patients treated by Dr. Karen B. Barker, MD.

**Gender**
Male	23
Female	58

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	36
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	16
85 and over	0
Less than 65	2
65 to 74	49

Average of Total of Conditions of Medicare patients treated by Dr. Karen B. Barker, MD From 2017 - 2022

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

Hypertension	51
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	14
Asthma	27
Osteoporosis	9
Heart Failure	0
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Atrial Fibrillation	6
Dementia	0
Cancer	0

Education & Training

She has a state license in Virginia.

Licensed In: Virginia

Affiliations & Hospitals

Dr. Karen B. Barker, MD is associated with these hospitals and organizations:

Infirmary Health

Mobile Infirmary

Pulmonary Associates Of Mobile

Ratings & Reviews

Dr. Karen B. Barker, MD has an exceptional overall rating with an average of 4.99 out of 5 stars based on 318 ratings. We collect ratings and reviews of Dr. Karen B. Barker, MD from all over the web to help you find the right in Mobile, AL.

4.99

Overall Rating

(318 Ratings)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$2,307 FASENRA $933	SYMBICORT $460	BREZTRI $266	TEZSPIRE $207	BEVESPI AEROSPHERE $148	Other $294
GlaxoSmithKline, LLC.	$2,291 NUCALA $1,311	TRELEGY ELLIPTA $787	BREO $111	FLOVENT $15	BREO ELLIPTA $12	Other $56
Takeda Pharmaceuticals U.S.A., Inc.	$988 CUVITRU $659	TAKHZYRO $188	HYQVIA $105	$37
GENZYME CORPORATION	$950 DUPIXENT $950
Regeneron Healthcare Solutions, Inc.	$844 DUPIXENT $797	DUPIXENT DUPILUMAB INJECTION $47
Other	$6,434 XOLAIR $790	Xhance $465	Auvi-Q $443	EUCRISA $440	Haegarda $421	Other $3,876

**Types of Payments**
Food and Beverage	$13,680
Education	$116
Consulting Fee	$20

Biography

Dr. Karen Barker's areas of specialization are general pediatrics and allergy & immunology; she sees patients in Mobile, AL and Daphne, AL. Dr. Barker is rated highly by her patients. She is professionally affiliated with Infirmary Health. She attended medical school at the University of Virginia School of Medicine.