Dr. Cornelius Hugo Nau
Dr. Cornelius H. Nau
Last updated: May 27, 2026

Dr. Cornelius H. Nau

  • Gender: Male
  • Experience: 43 years
  • Sole propriator: Yes
  • NPI: 1457442196

Dr. Cornelius H. Nau JR. M.D.

Psychiatrist

He is located at 2020 Babcock Road Suite 19 in San Antonio, TX 78229. Can help patients with the following: Amnesia, Anorexia Nervosa, Binge Eating Disorder, Schizoaffective Disorder, Tardive Dyskinesia, Tics. His National Provider Identifier (NPI) number is 1457442196. Appointment can be made via the phone number (210) 761-9001. He is affiliated with 1 practices.

Conditions treated

Dr. Cornelius Hugo Nau, 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. Cornelius H. Nau.

  • Amnesia
  • Anorexia Nervosa
  • Antisocial Personality Disorder (ASPD)
  • Anxiety
  • Aphasia
  • Asperger Syndrome (AS)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Autism
  • Avoidant Personality Disorder
  • Binge Eating Disorder
  • Bipolar Disorder
  • Body Dysmorphic Disorder (BDD)
  • Borderline Personality Disorder (BPD)
  • Bulimia Nervosa
  • Dementia
  • Depression
  • Dissociative Fugue
  • Dissociative Identity Disorder
  • Drug Abuse
  • Eating Disorder
  • Fragile X Syndrome (FXS)
  • Grief
  • Hypersomnia
  • Insomnia
  • Isolation
  • Learning Disability
  • Mental Illness
  • Mood Disorders
  • Munchausen Syndrome
  • Narcissistic Personality Disorder (NPD)
  • Obsessive Compulsive Disorder (OCD)
  • Online Therapy
  • Panic Disorder
  • Persistent Depressive Disorder
  • Pervasive Developmental Disorders (PDD)
  • Phobias
  • Postpartum Depression (PPD)
  • Posttraumatic Stress Disorder (PTSD)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Psychotic Disorder
  • Rape and Sexual Assault
  • Relationship Issues
  • Schizoaffective Disorder
  • Schizophrenia
  • Seasonal Affective Disorder (SAD)
  • Sleepwalking
  • Speech Disorders
  • Stress
  • Tardive Dyskinesia
  • Tics
  • Trauma
  • Wilson-Turner Syndrome

Procedures Performed by Dr. Cornelius H. Nau

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Cornelius H. Nau 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 Accepting new patients
Blue Advantage Bronze HMO℠ 301 (14 plan variants) HMO · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ Standard (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 206 (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 603 (14 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ Standard (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 303 (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 305 (27 plan variants) POS · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ Standard (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 203 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 803 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ Standard (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 202 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 605 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ Standard (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Security HMO℠ 200 (27 plan variants) HMO · Catastrophic Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 205 (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 801 (14 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ Standard (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
MyBlue Health Bronze℠ 402 (13 plan variants) HMO · Expanded Bronze Myblue Health Accepting new patients at some locations
MyBlue Health Bronze℠ Standard (11 plan variants) HMO · Expanded Bronze Myblue Health Accepting new patients at some locations
MyBlue Health Gold℠ 403 (13 plan variants) HMO · Gold Myblue Health Accepting new patients at some locations
MyBlue Health Gold℠ Standard (11 plan variants) HMO · Gold Myblue Health Accepting new patients at some locations
MyBlue Health Silver℠ 405 (13 plan variants) HMO · Silver Myblue Health Accepting new patients at some locations
MyBlue Health Silver℠ Standard (11 plan variants) HMO · Silver Myblue Health Accepting new patients at some locations

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

Oscar Insurance Company

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

Show all 11 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Gold Classic Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Classic Standard Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Simple Diabetes Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Simple Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Silver Classic Standard Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Chronic Care CKM Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Diabetes Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple PCP Saver Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Women's Health with Menopause Benefits Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients

UnitedHealthcare

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

Show all 20 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Essential ($0 Virtual Urgent Care) HMO · Bronze Non Preferred Accepting new patients
UHC Bronze Standard HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Bronze Standard+ (Dental + Vision) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) HMO · Gold Non Preferred Accepting new patients
UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) HMO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) HMO · Gold Non Preferred Accepting new patients
UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) HMO · Gold Non Preferred Accepting new patients
UHC Gold Standard HMO · Gold Non Preferred Accepting new patients
UHC Kelsey-Seybold Bronze Copay Focus $0 Indiv Med Ded HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Kelsey-Seybold Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Kelsey-Seybold Gold Copay Focus $0 Indiv Med Ded ($8 Tier 2 Rx) HMO · Gold Non Preferred Accepting new patients
UHC Kelsey-Seybold Gold Copay Focus+ $0 Indiv Med Ded ($8 Tier 2 Rx, Dental + Vision) HMO · Gold Non Preferred Accepting new patients
UHC Kelsey-Seybold Silver Copay Focus $0 Indiv Med Ded HMO · Silver Non Preferred Accepting new patients
UHC Kelsey-Seybold Silver Copay Focus+ $0 Indiv Med Ded (Dental + Vision) HMO · Silver Non Preferred Accepting new patients
UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) HMO · Silver Non Preferred Accepting new patients
UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) HMO · Silver Non Preferred Accepting new patients
UHC Silver Standard HMO · Silver Non Preferred Accepting new patients
UHC Silver Value ($0 Virtual Urgent Care) HMO · Silver Non Preferred Accepting new patients
UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) HMO · Silver Non Preferred Accepting new patients

UnitedHealthcare

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

Show all 11 plans from UnitedHealthcare
UnitedHealthcare plans
Plan Plan type Network tier New patients
UHC Sanitas Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Sanitas Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Sanitas Bronze Standard HMO · Expanded Bronze Non Preferred Accepting new patients
UHC Sanitas Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) HMO · Gold Non Preferred Accepting new patients
UHC Sanitas Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) HMO · Gold Non Preferred Accepting new patients
UHC Sanitas Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) HMO · Gold Non Preferred Accepting new patients
UHC Sanitas Gold Standard HMO · Gold Non Preferred Accepting new patients
UHC Sanitas Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) HMO · Silver Non Preferred Accepting new patients
UHC Sanitas Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) HMO · Silver Non Preferred Accepting new patients
UHC Sanitas Silver Standard HMO · Silver Non Preferred Accepting new patients
UHC Sanitas Silver Value ($0 Virtual Urgent Care) HMO · Silver Non Preferred 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. Cornelius H. Nau 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. Cornelius H. Nau is enrolled to bill Medicare as a Practitioner - Psychiatry .

Medicare practice location(s) (city/state/zip only, as reported to Medicare):

  • SAN ANTONIO, TX, 78209-2632

Bills through: Insight Mental Wellness Pa

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.

Payments received

Drug payment

Forest Pharmaceuticals $1433
Janssen $247
Actavis Pharma $226

Other

Food and Beverage $1359
Promotional Speaking or Service $1200

Affiliated practices

Daneen a Milam PHD
147 West Sunset Road
San Antonio, 78209 TX
(210) 828-3624

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Questions & Answers

Does Dr. Cornelius Hugo Nau have affiliation with practices?

Dr. Cornelius Hugo Nau is affiliated with Daneen a Milam PHD.

Does Dr. Cornelius Hugo Nau accept patients with Blue Cross and Blue Shield of Texas?

Yes, Dr. Cornelius Hugo Nau is listed in-network for Blue Cross and Blue Shield of Texas through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

What conditions does Dr. Cornelius Hugo Nau treat?

Dr. Cornelius Hugo Nau provides treatment for Amnesia, Anorexia Nervosa, Binge Eating Disorder, Schizoaffective Disorder, Tardive Dyskinesia, Tics. For the full list see this list.

Where can you meet with Dr. Cornelius Hugo Nau?

Dr. Cornelius Hugo Nau's office is located at 2020 Babcock Road Suite 19 in San Antonio, TX 78229.