
Overview
William Barker is a Nurse Practitioner in Longview, Texas. Mr. Barker has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Heart Failure with Preserved Ejection Fraction (HFpEF). His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Atrial Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), and Paroxysmal Supraventricular Tachycardia (PSVT).
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE PDP
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
707 E. Marshall Ave., Longview, TX 75601
815 South Washington Avenue, Suite 304, Marshall, TX 75670
Trinity Mother Frances Medical Arts Plaza - Tyler
Emily Cannon is a Nurse Practitioner in Tyler, Texas. Ms. Cannon is rated as an Advanced provider by MediFind in the treatment of Heart Failure with Preserved Ejection Fraction (HFpEF). Her top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Paroxysmal Supraventricular Tachycardia (PSVT), Atrioventricular Nodal Reentrant Tachycardia (AVNRT), and Atrial Tachycardia.
Trinity Clinic
David Mccaskill is a Nurse Practitioner in Jacksonville, Texas. Mr. Mccaskill is rated as an Advanced provider by MediFind in the treatment of Heart Failure with Preserved Ejection Fraction (HFpEF). His top area of expertise is Heart Failure with Preserved Ejection Fraction (HFpEF).
Trinity Mother Frances Medical Arts Plaza - Tyler
Toby Silvertooth is a Nurse Practitioner in Tyler, Texas. Mr. Silvertooth has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Heart Failure with Preserved Ejection Fraction (HFpEF). His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Atrial Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), and Atrioventricular Nodal Reentrant Tachycardia (AVNRT).
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Experienced
- Atrial TachycardiaMr. Barker isExperienced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Inappropriate Sinus Tachycardia (IST)Mr. Barker isExperienced. Learn about Inappropriate Sinus Tachycardia (IST).
- Paroxysmal Supraventricular Tachycardia (PSVT)


