Dr. John W. Cassidy
Dr. John W. Cassidy
Last updated: Sep 19, 2022

Dr. John W. Cassidy

  • Gender: Male
  • Experience: 41 years
  • Graduated from: University Of Cincinnati College Of Medicine
  • Graduation year: 1980
  • Sole propriator: No
  • NPI: 1114097748

Dr. John W. Cassidy M.D.

Psychiatrist

He is located at 1 Riverway Suite 600 in Houston, TX 77056. Can help patients with the following: Chest Pain, Complex Regional Pain Syndrome, Guillain-Barre Syndrome (GBS), Mad Cow Disease, Myasthenia Gravis (MG), Prescription Refill. His National Provider Identifier (NPI) number is 1114097748. Appointment can be made via the phone number (713) 355-6111. He is affiliated with 2 practices.

Conditions treated

Dr. John W. Cassidy, being an psychiatrist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John W. Cassidy.

  • Abdominal Pain
  • Acute Pain
  • Alzheimer's Disease
  • Amnesia
  • Amyotrophic Lateral Sclerosis (ALS)
  • Anemia
  • Anorexia Nervosa
  • Antisocial Personality Disorder (ASPD)
  • Anxiety
  • Aphasia
  • Arthritis
  • Asperger Syndrome (AS)
  • Asthma
  • Atherosclerosis
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Autism
  • Avoidant Personality Disorder
  • Binge Eating Disorder
  • Bipolar Disorder
  • Bladder Control
  • Body Dysmorphic Disorder (BDD)
  • Borderline Personality Disorder (BPD)
  • Brain Aneurysm
  • Brain Damage
  • Brain Hemorrhage
  • Bulimia Nervosa
  • Cerebral Palsy (CP)
  • Cervical Radiculopathy
  • Charcot-Marie-Tooth Disease (CMT)
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Claudication
  • Cluster Headaches
  • Common Cold
  • Complex Regional Pain Syndrome
  • Concussion
  • Constipation
  • Creutzfeldt-Jakob Disease (CJD)
  • Cystitis
  • Degenerative Disc Disease (DDD)
  • Dementia
  • Depression
  • Diarrhea
  • Dissociative Fugue
  • Dissociative Identity Disorder
  • Double Vision
  • Drug Abuse
  • Dyslexia
  • Dystonia
  • Early Onset Alzheimers
  • Eating Disorder
  • Edema
  • Encephalitis
  • Encephalopathy
  • Epilepsy
  • Face Blindness
  • Fainting
  • Febrile Seizure
  • Fever
  • Fragile X Syndrome (FXS)
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Grief
  • Guillain-Barre Syndrome (GBS)
  • Head Injury
  • Headache
  • Heart Disease
  • Herniated Disc
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Huntington's Disease (HD)
  • Hyperlipidemia
  • Hypersomnia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Insomnia
  • Isolation
  • Learning Disability
  • Low Back Pain
  • Lumbar Spinal Stenosis
  • Mad Cow Disease
  • Meningitis
  • Mental Illness
  • Meralgia Paresthetica
  • Migraine
  • Mood Disorders
  • Motion Sickness
  • Multiple Sclerosis (MS)
  • Munchausen Syndrome
  • Myasthenia Gravis (MG)
  • Myofascial Pain Syndrome (MPS)
  • Narcissistic Personality Disorder (NPD)
  • Nausea and Vomiting
  • Nerve Damage
  • Neuropathic Pain
  • Obesity
  • Obsessive Compulsive Disorder (OCD)
  • Online Therapy
  • Optic Neuritis
  • Osteoporosis
  • PANDAS
  • Panic Disorder
  • Paralysis
  • Parkinson's Disease
  • Peptic Ulcer
  • Peripheral Nerve Injuries
  • Peripheral Nerve Tumors
  • Peripheral Neuropathy
  • Persistent Depressive Disorder
  • Pervasive Developmental Disorders (PDD)
  • Phobias
  • Pinched Nerve
  • Polio
  • Postpartum Depression (PPD)
  • Posttraumatic Stress Disorder (PTSD)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Prescription Refill
  • Progressive Neurological Disorders
  • Pseudotumor Cerebri
  • Psychotic Disorder
  • Rape and Sexual Assault
  • Relationship Issues
  • Schizoaffective Disorder
  • Schizophrenia
  • Sciatica
  • Seasonal Affective Disorder (SAD)
  • Seizures
  • Sleepwalking
  • Speech Disorders
  • Stiff Person Syndrome (SPS)
  • Stress
  • Stroke
  • Tardive Dyskinesia
  • Tension Headache
  • Tics
  • Tinnitus
  • Tourette Syndrome
  • Transient Ischemic Attack (TIA)
  • Trauma
  • Traumatic Brain Injury
  • Tremor
  • Trigeminal Neuralgia (TN)
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Vertigo
  • Vestibular Testing
  • Wernicke-Korsakoff Syndrome
  • Wilson-Turner Syndrome

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John W. Cassidy as in-network for the following 2026 plans.

Health plans

Blue Cross and Blue Shield of Texas

Network data as of Jun 7, 2026, as reported by the insurer.

Show all 25 plans from Blue Cross and Blue Shield of Texas
Blue Cross and Blue Shield of Texas plans
Plan Plan type Network tier New patients
Blue Advantage Bronze HMO℠ 204 (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Not accepting new patients
Blue Advantage Bronze HMO℠ 301 (14 plan variants) HMO · Bronze Blue Advantage HMO Not accepting new patients
Blue Advantage Bronze HMO℠ Standard (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Not accepting new patients
Blue Advantage Gold HMO℠ 206 (27 plan variants) HMO · Gold Blue Advantage HMO Not accepting new patients
Blue Advantage Gold HMO℠ 603 (14 plan variants) HMO · Gold Blue Advantage HMO Not accepting new patients
Blue Advantage Gold HMO℠ Standard (27 plan variants) HMO · Gold Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Bronze℠ 303 (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Bronze℠ 305 (27 plan variants) POS · Bronze Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Bronze℠ Standard (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Gold℠ 203 (27 plan variants) POS · Gold Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Gold℠ 803 (27 plan variants) POS · Gold Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Gold℠ Standard (27 plan variants) POS · Gold Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Silver℠ 202 (27 plan variants) POS · Silver Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Silver℠ 605 (27 plan variants) POS · Silver Blue Advantage HMO Not accepting new patients
Blue Advantage Plus Silver℠ Standard (27 plan variants) POS · Silver Blue Advantage HMO Not accepting new patients
Blue Advantage Security HMO℠ 200 (27 plan variants) HMO · Catastrophic Blue Advantage HMO Not accepting new patients
Blue Advantage Silver HMO℠ 205 (27 plan variants) HMO · Silver Blue Advantage HMO Not accepting new patients
Blue Advantage Silver HMO℠ 801 (14 plan variants) HMO · Silver Blue Advantage HMO Not accepting new patients
Blue Advantage Silver HMO℠ Standard (27 plan variants) HMO · Silver Blue Advantage HMO Not accepting new patients
MyBlue Health Bronze℠ 402 (13 plan variants) HMO · Expanded Bronze Myblue Health Not accepting new patients
MyBlue Health Bronze℠ Standard (11 plan variants) HMO · Expanded Bronze Myblue Health Not accepting new patients
MyBlue Health Gold℠ 403 (13 plan variants) HMO · Gold Myblue Health Not accepting new patients
MyBlue Health Gold℠ Standard (11 plan variants) HMO · Gold Myblue Health Not accepting new patients
MyBlue Health Silver℠ 405 (13 plan variants) HMO · Silver Myblue Health Not accepting new patients
MyBlue Health Silver℠ Standard (11 plan variants) HMO · Silver Myblue Health Not accepting new patients

Cigna Healthcare

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 22 plans from Cigna Healthcare
Cigna Healthcare plans
Plan Plan type Network tier New patients
Connect Bronze 5750 Indiv Med Deductible HMO · Expanded Bronze Preferred Accepting new patients
Connect Bronze 8500 Indiv Med Deductible HMO · Expanded Bronze Preferred Accepting new patients
Connect Bronze CMS Standard HMO · Expanded Bronze Preferred Accepting new patients
Connect Bronze DFW 6000 Indiv Med Deductible HMO · Expanded Bronze Preferred Accepting new patients
Connect Bronze DFW 8500 Indiv Med Deductible HMO · Expanded Bronze Preferred Accepting new patients
Connect Bronze DFW CMS Standard HMO · Expanded Bronze Preferred Accepting new patients
Connect Gold 1400 Indiv Med Deductible HMO · Gold Preferred Accepting new patients
Connect Gold 3000 Indiv Med Deductible HMO · Gold Preferred Accepting new patients
Connect Gold CMS Standard HMO · Gold Preferred Accepting new patients
Connect Gold DFW 1400 Indiv Med Deductible HMO · Gold Preferred Accepting new patients
Connect Gold DFW 2800 Indiv Med Deductible HMO · Gold Preferred Accepting new patients
Connect Gold DFW CMS Standard HMO · Gold Preferred Accepting new patients
Connect myDiabetesCare Bronze HMO · Expanded Bronze Preferred Accepting new patients
Connect myDiabetesCare Bronze DFW HMO · Expanded Bronze Preferred Accepting new patients
Connect myDiabetesCare Gold HMO · Gold Preferred Accepting new patients
Connect myDiabetesCare Gold DFW HMO · Gold Preferred Accepting new patients
Connect Silver 3000 Indiv Med Deductible HMO · Silver Preferred Accepting new patients
Connect Silver 4000 Indiv Med Deductible HMO · Silver Preferred Accepting new patients
Connect Silver CMS Standard HMO · Silver Preferred Accepting new patients
Connect Silver DFW 3000 Indiv Med Deductible HMO · Silver Preferred Accepting new patients
Connect Silver DFW 4000 Indiv Med Deductible HMO · Silver Preferred Accepting new patients
Connect Silver DFW CMS Standard HMO · Silver Preferred Accepting new patients

Community Health Choice

Network data as of Jan 28, 2026, as reported by the insurer.

Show all 18 plans from Community Health Choice
Community Health Choice plans
Plan Plan type Network tier New patients
Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Non Preferred Accepting new patients
Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Preferred Accepting new patients
Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Non Preferred Accepting new patients
Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Preferred Accepting new patients
Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Non Preferred Accepting new patients
Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Preferred Accepting new patients
Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Non Preferred Accepting new patients
Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Gold Preferred Accepting new patients
Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Non Preferred Accepting new patients
Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Preferred Accepting new patients
Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Non Preferred Accepting new patients
Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Silver Preferred Accepting new patients
Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Non Preferred Accepting new patients
Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) HMO · Expanded Bronze Preferred Accepting new patients
Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Gold Non Preferred Accepting new patients
Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Gold Preferred Accepting new patients
Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Silver Non Preferred Accepting new patients
Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) HMO · Silver Preferred Accepting new patients

Imperial Insurance Companies, Inc.

Network data as of Sep 16, 2025, as reported by the insurer.

Show all 7 plans from Imperial Insurance Companies, Inc.
Imperial Insurance Companies, Inc. plans
Plan Plan type Network tier New patients
Imperial Preferred Bronze HMO · Bronze Preferred Accepting new patients
Imperial Preferred Gold HMO · Gold Preferred Accepting new patients
Imperial Preferred Gold Zero HMO · Gold Preferred Accepting new patients
Imperial Preferred Silver HMO · Silver Preferred Accepting new patients
Imperial Standard Bronze HMO · Expanded Bronze Standard Accepting new patients
Imperial Standard Gold HMO · Gold Standard Accepting new patients
Imperial Standard Silver HMO · Silver Standard Accepting new patients

WellPoint

Network data as of Sep 10, 2026, as reported by the insurer.

Show all 21 plans from WellPoint
WellPoint plans
Plan Plan type Network tier New patients
Wellpoint Essential Bronze 4000 HSA (+ Incentives) HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze 6000 Adult Dental/Vision ($0 Virtual PCP+$0 Select Drugs) HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze POS 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Bronze POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Expanded Bronze Participating Accepting new patients
Wellpoint Essential Catastrophic (+ Incentives) HMO · Catastrophic Participating Accepting new patients
Wellpoint Essential Gold 1500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Wellpoint Essential Gold 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Wellpoint Essential Gold 800 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Gold Participating Accepting new patients
Wellpoint Essential Gold POS 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Wellpoint Essential Gold POS 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Wellpoint Essential Gold POS 700 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Gold Participating Accepting new patients
Wellpoint Essential Silver 1850 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Wellpoint Essential Silver 3500 ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Wellpoint Essential Silver 3500 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Wellpoint Essential Silver 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) HMO · Silver Participating Accepting new patients
Wellpoint Essential Silver POS 2500 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients
Wellpoint Essential Silver POS 4000 ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients
Wellpoint Essential Silver POS 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) POS · Silver Participating Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John W. Cassidy is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. John W. Cassidy is enrolled to bill Medicare as a Practitioner - Psychiatry (also registered under: Practitioner - Internal Medicine) .

Bills through: Nexus Physicians Services Pllc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Studies

UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE

Graduated in 1980

Additional Specialities

  • Internist
  • Neurologist

Affiliated practices

Nexus Physicians Services
9297 Wahrenberger Road
Conroe, 77304 TX
(936) 788-7770
Nexus Physician Services PLLC
1 Riverway
Houston, 77056 TX
(713) 355-6111

Looking for more Psychiatrists?

There are 6 other psychiatrists in this region.

Dr. Sharon Lynette Iglehart
  • Gender: Female
  • Address: 5640 Briar Drive Houston, 77056, TX
Dr. George D. Santos
  • Gender: Male
  • Address: Suite 1470 5151 San Felipe Street Houston, 77056, TX
Dr. Vernon R. Walling
  • Gender: Male
  • Address: Suite 1470 5151 San Felipe Street Houston, 77056, TX
Dr. Luisa M. Acevedo Lohner
  • Gender: Female
  • Address: 7001 Corporate Drive Suite 120 Houston, 77036, TX
Dr. Robert Elliott White
  • Gender: Male
  • Address: Suite 180 2121 Sage Road Houston, 77056, TX
Dr. Heather Louise Sauer
  • Gender: Female
  • Address: Suite 1470 5151 San Felipe Street Houston, 77056, TX

Questions & Answers

Where can you meet with Dr. John W. Cassidy?

Dr. John W. Cassidy's office is located at 1 Riverway Suite 600 in Houston, TX 77056.

Does Dr. John W. Cassidy accept insurance?

Dr. John W. Cassidy is listed in-network for 93 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Community Health Choice, Imperial Insurance Companies, Inc., WellPoint. See the Marketplace plans section for details.

Does Dr. John W. Cassidy have affiliation with practices?

Dr. John W. Cassidy is affiliated with Nexus Physicians Services. For the full list of practices see this list.

What conditions does Dr. John W. Cassidy treat?

Dr. John W. Cassidy provides treatment for Chest Pain, Complex Regional Pain Syndrome, Guillain-Barre Syndrome (GBS), Mad Cow Disease, Myasthenia Gravis (MG), Prescription Refill. For the full list see this list.