For patients & families · Virginia and Florida

Welmivia Guides

Clear, evidence-based answers about mental health, medications, and finding the right psychiatric care, from Sonia Mia Diaz, MD.

For patients and families in Virginia and Florida, whether you have Original Medicare or pay privately. Perspectives are Dr. Diaz's essays on how clinical decisions actually get made.

Sonia Mia Diaz, MD 10/22/26 Sonia Mia Diaz, MD 10/22/26

Anticholinergic Medications After 65: Memory, Falls and What to Review

Anticholinergic medications are common, often sold over the counter, and harder on the brain after 65. What to look for on a medication list and how to review it safely.

Sonia Mia Diaz, MD 10/20/26 Sonia Mia Diaz, MD 10/20/26

Paying Out of Pocket for Psychiatry: Superbills and Out-of-Network Reimbursement

Many psychiatrists are out of network, but you may still get part of the cost back. How superbills work and the questions to ask your plan before the first visit.

Sonia Mia Diaz, MD 10/15/26 Sonia Mia Diaz, MD 10/15/26

Medicare’s Yearly Depression Screening and Wellness Visit: What They Include

Original Medicare covers a free yearly depression screening and wellness visits. What each one includes, what they don’t, and what happens if a screening is positive.

Sonia Mia Diaz, MD 10/13/26 Sonia Mia Diaz, MD 10/13/26

Coming Off an Antidepressant: Withdrawal, Relapse, and Tapering Safely

Many people can stop an antidepressant successfully, but how you stop matters. How common withdrawal is, how to tell it from relapse, and what a slow taper looks like.

Sonia Mia Diaz, MD 10/8/26 Sonia Mia Diaz, MD 10/8/26

Anxiety in Older Adults: What It Looks Like and What Helps

Anxiety in later life is common, often missed, and treatable. How it tends to look after 60, what can mimic it, and which treatments work best.

Sonia Mia Diaz, MD 10/6/26 Sonia Mia Diaz, MD 10/6/26

Your Antidepressant Isn’t Working: What to Check Before Switching

When an antidepressant isn’t helping, the next step isn’t always a new prescription. What to check first, what the options are, and what genetic testing can and can’t tell you.

Sonia Mia Diaz, MD 10/1/26 Sonia Mia Diaz, MD 10/1/26

Depression in Older Adults: What Is Aging and What Is Not

In later life, depression often looks like fatigue, withdrawal, or poor sleep rather than sadness. Signs to watch for, the overlap with memory, and what helps.

Sonia Mia Diaz, MD 10/1/26 Sonia Mia Diaz, MD 10/1/26

How to Find Psychiatric Care for a Parent With Medicare

When to look for help, how to check your parent’s Medicare coverage, what to ask a practice, and what to have ready for the first visit.

Sonia Mia Diaz, MD 10/1/26 Sonia Mia Diaz, MD 10/1/26

Sleeping Pills After 60: What to Ask Before the Next Refill

After 60, common sleeping pills add little sleep and raise the risk of falls and confusion. What the research shows, better options, and what to ask.

Sonia Mia Diaz, MD 10/1/26 Sonia Mia Diaz, MD 10/1/26

Does Original Medicare Cover Psychiatric Care by Video?

Yes. Original Medicare Part B covers psychiatric evaluation, medication management, and therapy by video from home. What you pay in 2026 and how to check your coverage.