# Brightview Psychiatry Solutions (ptsdnc.com) > Physician-written VA nexus letters for veterans. Dr. Jessica Allen writes psychiatric and secondary-condition nexus letters used to win service connection and rating increases nationwide. ## Core - [Home](/): Overview of Brightview's nexus-letter services. - [About Dr. Jessica Allen](/about-us): Physician background and clinic mission. - [How It Works](/how-it-works): Consultation → records review → letter delivery. - [What Is a Nexus Letter](/what-is-a-nexus-letter): Definition, purpose, and evidence standard. - [Learn More](/learn-more): Detailed guide to nexus letters and VA claims. - [FAQ](/faq): Common veteran questions about eligibility and process. - [Contact](/contact): Consultation booking and clinic contact. - [Crisis Resources](/crisis-resources): Immediate mental-health support links. - [Nexus Scorecard](/nexus-scorecard): Self-assessment for claim readiness. ## Mental Health Nexus Letters - [Mental Nexus Letters](/mental-nexus-letters): All psychiatric conditions we cover. - [PTSD & MST](/ptsd-and-mst): PTSD and military sexual trauma letters. - [PTSD Rating Increase](/ptsd-increase-nexus): Support for existing PTSD rating increases. - [MST Nexus Letters](/mst-nexus-letters): Military sexual trauma-specific letters. - [Depression Nexus Letters](/depression-nexus-letters): Major depressive disorder. - [Anxiety Nexus Letters](/anxiety-nexus-letters): GAD and anxiety disorders. - [PTSD from Car Accidents](/ptsd-due-to-car-accidents): Non-combat trauma. - [PTSD & Coast Guard](/ptsd-and-the-coast-guard): Coast Guard-specific claims. - [Hurricane & Disaster PTSD](/hurricane-and-disasters): Disaster response trauma. ## Physical & Secondary Conditions - [Physical Nexus Letters](/physical-nexus-letters): Overview of physical claims we support. - [Secondary Conditions](/secondary-conditions): How secondary service connection works. - [Sleep Apnea Nexus Letter](/sleep-apnea-nexus-letter): OSA primary and secondary claims. - [Sleep Apnea Secondary to PTSD](/sleep-apnea-and-ptsd): OSA linked to PTSD. - [Sleep Apnea & Obesity](/sleep-apnea-and-obesity): Intermediate step theory. - [Sleep Apnea & Sinusitis](/sleep-apnea-and-sinusitis): Sinusitis-driven OSA claims. - [Sleep Apnea & Rhinitis](/sleep-apnea-and-rhinitis): Rhinitis-driven OSA claims. - [Sleep Apnea & GERD](/sleep-apnea-secondary-to-gerd): OSA secondary to GERD. - [Sleep Apnea & COPD](/sleep-apnea-and-copd): OSA secondary to COPD. - [Sleep Apnea Denied](/sleep-apnea-denied): What to do after an OSA denial. - [Headache / Migraine Nexus](/headache-nexus): Prostrating headaches and migraines. - [TMJ Nexus Letters](/tmj-nexus-letters): TMJ, often secondary to PTSD. - [GERD Nexus Letters](/gerd-nexus-letters): GERD claims. - [IBS Nexus Letters](/ibs-nexus-letters): IBS claims. - [Hypertension Nexus Letter](/hypertension-nexus-letter): HTN primary and secondary. - [Diabetes Nexus Letter](/diabetes-nexus-letter): Type 2 diabetes claims. - [Erectile Dysfunction](/erectile-dysfunction): ED nexus letters. - [Fibromyalgia Nexus Letter](/fibromyalgia-nexus-letter): Fibromyalgia and PTSD. - [Chronic Fatigue Syndrome](/chronic-fatigue-syndrome-nexus-letters): CFS letters. - [Traumatic Brain Injury](/traumatic-brain-injury): TBI and residuals. - [Tinnitus & Insomnia](/tinnitus-and-insomnia): Insomnia secondary to tinnitus. - [Hearing Loss & Depression](/hearing-loss-and-depression): Depression secondary to hearing loss. - [Depression & Headaches](/depression-and-headaches): Depression secondary to migraines. - [Depression & Skin Conditions](/depression-and-skin): Depression secondary to dermatologic conditions. - [Cancer & Mental Health](/cancer-and-mental-health): Mental-health claims secondary to cancer. - [Gynecological Conditions & Mental Health](/depression-anxiety-secondary-to-gynecological-conditions): Depression and anxiety secondary to endometriosis, hysterectomy residuals, and chronic pelvic pain. ## Special Services - [Rebuttal Letter](/rebuttal-letter): Rebuttals to unfavorable C&P exams. - [TDIU Nexus Letters](/tdiu-nexus-letters): Individual unemployability support. - [Nexus Letter Review](/nexus-letter-review): Second-opinion review of existing letters. - [DIC / Cause of Death Nexus Letters](/dic-cause-of-death-nexus-letters): DIC claims for surviving family. - [Denied VA Claims](/denied-va-claims): Post-denial strategy. - [View All Nexus Letters](/view-all-nexus-letters): Full index of covered conditions. ## Blog - [Blog Index](/blog): Physician-written guides on nexus letters and VA claims. - [Nexus Letters in All 50 States](/nexus-letters-all-50-states): Nationwide telehealth service. - [Understanding Nexus Letters](/blog/understanding-nexus-letters-for-veterans-a-comprehensive-guide): Comprehensive guide. - [How to Get Service-Connected for Sleep Apnea](/blog/how-to-get-service-connected-for-sleep-apnea): Sleep apnea claim strategy. - [How to Write a Strong Personal Statement](/blog/how-to-write-a-strong-personal-statement-for-your-va-claim): Personal statement guide. - [PCL-5 Guide](/blog/understanding-the-pcl-5-a-key-tool-in-your-ptsd-claim): PTSD checklist explained. ## Optional - [Book a Consultation](/book): Direct consultation booking. - [Privacy Policy](/privacy-policy): Site privacy policy.