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Dr. John Allen Walker Jr., MD

Accepting New Patients

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Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

University of Texas Health Science Center at San Antonio, School of Medicine (2007)

Professional interests include: cancer, vulvar cancer, aneurysm, and more.

903 W. Martin Street
San Antonio, TX 78207

(210) 358-3400

Dr. John Allen Walker Jr., MD is a radiologist in San Antonio, TX specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from University of Texas Health Science Center at San Antonio, School of Medicine in 2007 and has 18 years of experience. Dr. John Allen Walker Jr., MD is affiliated with University Health and UT Health San Antonio.

Office Locations

Address:

4502 Medical Drive
San Antonio, TX 78229

Address:

7946 N. Loop 1604 West 1st Floor
San Antonio, TX 78249

Address:

8300 Floyd Curl Drive 3rd Floor - Suite 3d
San Antonio, TX 78229

Address:

903 W. Martin Street
San Antonio, TX 78207

In The News

“At 2:15 a.m. on Wednesday, March 27, local DJ, longtime musician and father of three John Walker had just left his job at Rockit Lab Studios and was traveling on Lemmon Avenue, near the...”—"Dallas DJ John Walker is in A Coma: Here's How You Can Help", Dallas Observer, April 2013

“27 of 47 28 of 47 UTSA player, #23, John Walker III knocks down a pass during second half action, as the UC Davis Aggies 38-17 victory over the University of Texas at San Antonio Roadrunners,...”—"UTSA seeks to put open week to good use", My San Antonio, October 2011

“39 of 47 40 of 47 UTSA player, #23, John Walker III knocks down a pass during second half action, as the UC Davis Aggies 38-17 victory over the University of Texas at San Antonio Roadrunners,...”—"UTSA narrowly avoids worst loss of first season", My San Antonio, October 2011

abdominal imaging	12
ultrasound (sonogram)	12

**Gender**
Male	61
Female	50

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	63
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	56

Hypertension	75
High Cholesterol	52
Stroke	13
Ischemic Heart Disease	47
Depression	32
Chronic Kidney Disease	75
Asthma	21
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	56
Dementia	13
Cancer	17

abdominal imaging	25
aspiration	43
catheterization	26
diagnostic procedures	9
minimally invasive procedures	8
minor procedures	9
pleural drainage	18
thoracic (chest) imaging	11
ultrasound (sonogram)	38

**Gender**
Male	143
Female	124

**Ethnicity**
Non-Hispanic White	99
Black	0
Hispanic	137
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	37
85 and over	11
Less than 65	125

Hypertension	75
High Cholesterol	57
Stroke	9
Ischemic Heart Disease	46
Depression	40
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	58
Dementia	18
Cancer	17

abdominal imaging	23
anastomosis	10
aspiration	12
catheterization	25
gastrointestinal procedures	10
minimally invasive procedures	8
ultrasound (sonogram)	23

**Gender**
Male	128
Female	133

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	134
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	44
85 and over	15
Less than 65	102

Hypertension	75
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	48
Depression	37
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	33
Chronic Obstructive Pulmonary Disease	15
Diabetes	57
Dementia	14
Cancer	14

abdominal imaging	12
aspiration	14
diagnostic procedures	10
doctor visit	11
minimally invasive procedures	9
minor procedures	10
ultrasound (sonogram)	12

**Gender**
Male	127
Female	77

**Ethnicity**
Non-Hispanic White	88
Black	0
Hispanic	97
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	0
85 and over	0
Less than 65	76

Hypertension	75
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	58
Dementia	15
Cancer	12

abdominal imaging	38
aspiration	22
catheterization	9
ultrasound (sonogram)	38

**Gender**
Male	114
Female	109

**Ethnicity**
Non-Hispanic White	103
Black	0
Hispanic	98
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	37
85 and over	16
Less than 65	80

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	69
Asthma	9
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	58
Dementia	20
Cancer	20

abdominal imaging	105
anastomosis	25
aspiration	49
catheterization	64
CT scan	26
diagnostic procedures	32
doctor visit	58
gastrointestinal procedures	25
minimally invasive procedures	57
minor procedures	32
thoracic (chest) imaging	10
ultrasound (sonogram)	89

Average Medicare Procedure Volume From 2016 - 2021

Volume of procedures performed by Dr. John Allen Walker Jr., MD for Medicare patients.

The highest averages for the top procedures that Dr. John Allen Walker Jr., MD treated as a radiologist in San Antonio, TX were ultrasound (sonogram), abdominal imaging, catheterization and aspiration.

abdominal imaging	36
anastomosis	17
aspiration	28
catheterization	31
CT scan	26
diagnostic procedures	18
doctor visit	35
gastrointestinal procedures	17
minimally invasive procedures	22
minor procedures	18
pleural drainage	18
thoracic (chest) imaging	11
ultrasound (sonogram)	36

Average Medicare Patient Data From 2016 - 2021

Information about Medicare patients treated by Dr. John Allen Walker Jr., MD.

**Gender**
Female	49
Male	57

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	39
Native American / Alaskan Native	0
Hispanic	52
Other	0

**Age**
85 and over	4
75 to 84	11
Less than 65	43
65 to 74	40

Average of Total of Conditions of Medicare patients treated by Dr. John Allen Walker Jr., MD From 2016 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. John Allen Walker Jr., MD treated were hypertension, chronic kidney disease, diabetes and high cholesterol.

Hypertension	37
High Cholesterol	29
Stroke	4
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	36
Asthma	5
Osteoporosis	3
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Atrial Fibrillation	6
Cancer	8
Dementia	8

Education & Training

Dr. John Allen Walker Jr., MD graduated from University of Texas Health Science Center at San Antonio, School of Medicine in 2007. He completed residency at University of Texas Affiliated Hospitals. He is certified by the American Board of Radiology/Vascular & Interventional Radiology American Board of Radiology and has a state license in Texas.

Medical School: University of Texas Health Science Center at San Antonio, School of Medicine (2007)

Residency: University of Texas Affiliated Hospitals (2015)

Board Certification: American Board of Radiology/Vascular & Interventional Radiology American Board of Radiology

Licensed In: Texas

Affiliations & Hospitals

Dr. John Allen Walker Jr., MD is associated with these hospitals and organizations:

University Health

UT Health San Antonio

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. John Allen Walker Jr., MD appears to accept the following insurance providers: Superior Health Plan, BlueCross BlueShield of Texas, Humana PPO, Coventry HMO, WellCare Medicare Advantage, Private Healthcare Systems (PHCS), Prime Health, Medicare Advantage, MultiPlan, Coventry PPO, Coventry Workers' Compensation, Three Rivers, Humana HMO, Aetna, United Healthcare, Medicaid, Humana, Molina Healthcare, HealthSmart, Aetna EPO, First Health, Aetna PPO, WellPoint, Aetna HMO, Oscar - Commercial Exchange, Interlink - Transplant, Point Comfort Underwriters (PCU) - Refugee Medical Assistance, Provider Network of America (PNOA) - Commercial, Insurance Accepted, OptumHealth - Transplant ONLY, Scott & White Health Plan - HMO, Gonzaba Medical Group - Transplant ONLY, Universal Benefits Consortium - Brokerage Firm (School Districts), University of Incarnate Word (Gilsbar) - Direct Employer, Scott & White Health Plan - PPO, Tokio Marine - Transplant, 90 Degree Benefits - Commercial, 6 Degrees - Transplant, LifeTrac - Transplant, Point Comfort Underwriters (PCU) - Unaccompanied Children, Ancira Enterprises - Direct Employer, Velocity National Provider Network - Wrap Network, Independent Medical Systems (IMS) - PPO, Entrust - TPA, EBSO - TPA and Velocity National Provider Network - Commercial PPO.

Insurance Accepted by Provider includes:

According to our sources, Dr. John Allen Walker Jr., MD accepts the following insurance providers:

Superior Health Plan

BlueCross BlueShield of Texas

Humana PPO

Coventry HMO

WellCare Medicare Advantage

Private Healthcare Systems (PHCS)

Prime Health

Medicare Advantage

MultiPlan

Coventry PPO

Coventry Workers' Compensation

Three Rivers

Humana HMO

Aetna

United Healthcare

Medicaid

Humana

Molina Healthcare

HealthSmart

Aetna EPO

First Health

Aetna PPO

WellPoint

Aetna HMO

Oscar - Commercial Exchange

Interlink - Transplant

Point Comfort Underwriters (PCU) - Refugee Medical Assistance

Provider Network of America (PNOA) - Commercial

Insurance Accepted

OptumHealth - Transplant ONLY

Scott & White Health Plan - HMO

Gonzaba Medical Group - Transplant ONLY

Universal Benefits Consortium - Brokerage Firm (School Districts)

University of Incarnate Word (Gilsbar) - Direct Employer

Scott & White Health Plan - PPO

Tokio Marine - Transplant

90 Degree Benefits - Commercial

6 Degrees - Transplant

LifeTrac - Transplant

Point Comfort Underwriters (PCU) - Unaccompanied Children

Ancira Enterprises - Direct Employer

Velocity National Provider Network - Wrap Network

Independent Medical Systems (IMS) - PPO

Entrust - TPA

EBSO - TPA

Velocity National Provider Network - Commercial PPO

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General Payments

These charts describe general payments received by Dr. John Allen Walker Jr., MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
ARGON MEDICAL DEVICES, INC.	$3,500 TLAB $3,500
Shionogi Inc	$3,244 Mulpleta $3,244
Biocompatibles, Inc.	$919 THERASPHERE - BIO $919
Boston Scientific Corporation	$564 TheraSphere Y90 Glass Microspheres 10 GBq $160	SPYGLASS $130	THERASPHERE $116	GENERAL - EMBOLICS $83	GENERAL ANGIOPLASTY $21	Other $54
Cook Medical LLC	$400 Rosch-Uchida $230	Cook Medical Embolization $153	Zilver PTX $17
Other	$1,007 CT THROMBECTOMY SYSTEM KIT $147	Certus 140 $111	KYPHON EXPRESS II KYPHOPAK TRAY $104	EKOSONIC $100	OSTEOCOOL RF ABLATION SYSTEM $64	Other $481

**Types of Payments**
Honoraria	$3,500
Consulting Fee	$3,225
Food and Beverage	$2,079
Travel and Lodging	$829

Research Payments

Dr. John Allen Walker Jr., MD has received 1 research payments totaling $1,363.

Biography

Dr. John Walker practices interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. His areas of expertise include pituitary disorders, atherosclerosis, and venous insufficiency. He is affiliated with the University Health and UT Health San Antonio. After completing medical school at the University of Texas Health Science Center at San Antonio, School of Medicine, Dr. Walker performed his residency at a hospital affiliated with the University of Texas. Dr. Walker appears to be an in-network provider for Aetna EPO, Blue California, HealthSmart, and more. He welcomes new patients at his office inSan Antonio, TX as reported by UT Health San Antonio.