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Mental Health & Mood · Concern

Anxiety

Most anxiety responds well to therapy, medication, and time, and if you're early in that process, a psychiatrist or therapist is the right next step. PHI is for a narrower case: severe anxiety that hasn't responded to standard care, where ketamine may help alongside your existing team.

Medically Reviewed By
Nadiv Y. Samimi
Faisal Lalani
Nadiv Y. Samimi, MD & Faisal Lalani, MD MD
Last reviewed · January 15, 2026
IN SHORT

Anxiety treatment at PHI is provided by board-certified physicians Dr. Faisal Lalani and Dr. Nadiv Samimi at our Beverly Hills practice at 455 N Roxbury Drive. PHI offers physician-administered ketamine infusion therapy as an adjunct treatment for severe anxiety conditions that have not responded adequately to standard care. We work alongside your existing mental health team rather than replacing the broader care you may need.

Where this page fits in anxiety care.

Most anxiety is well-treated by standard care: therapy (particularly cognitive behavioral therapy and other evidence-based approaches), medications including SSRIs and SNRIs, lifestyle interventions, and time. For most patients with anxiety disorders, this approach produces meaningful improvement.

This page isn’t for patients newly diagnosed with anxiety or whose anxiety has not yet been thoroughly treated through standard means. If you’re early in your anxiety journey, your most useful next step is connecting with a psychiatrist or therapist who specializes in anxiety, not an interventional pain practice.

This page is for patients whose anxiety meets specific criteria:

  • An established anxiety diagnosis (generalized anxiety disorder, social anxiety disorder, panic disorder, or other specific condition)
  • Ongoing care with a mental health professional
  • Multiple attempts at standard treatment without adequate response
  • Severity that significantly affects quality of life despite ongoing care

For this specific group of patients, ketamine infusion therapy may be a meaningful adjunct treatment alongside the broader mental health care you’re already receiving.

What PHI Offers

Ketamine Infusion Therapy

Physician-administered IV ketamine in a defined treatment series, performed in a clinic setting under continuous monitoring. Coordinated with your existing mental health team.

What we don’t do

Ongoing psychiatric care

We don’t replace therapy, prescribe ongoing psychiatric medications, manage chronic anxiety care, or provide acute crisis intervention. Patients should have an established mental health team in place.

What this page is — and isn’t

PHI is not a psychiatry practice. We don’t manage ongoing anxiety care, prescribe psychiatric medications for anxiety, or provide psychotherapy. What we offer is one specific physician-administered medical intervention with accumulating evidence for severe anxiety conditions that haven’t responded to standard treatment.

How ketamine may help treatment-resistant anxiety

Ketamine works through a different mechanism than standard anxiety medications. While most anxiety medications act on serotonin or related neurotransmitter systems, ketamine acts on the NMDA receptor and glutamate signaling. This different mechanism may help patients whose anxiety has not adequately responded to standard medications.

Standard meds
Serotonin pathway
SSRIs / SNRIs
Reuptake inhibition
Ketamine
NMDA / glutamate
A different mechanism for patients whose anxiety hasn’t responded to serotonin-pathway medications.

The clinical evidence for ketamine specifically in anxiety is less robust than for depression or PTSD, but is accumulating. Studies have shown meaningful symptom reduction in patients with generalized anxiety disorder, social anxiety disorder, and certain other anxiety conditions when ketamine is used in defined treatment protocols.

We are honest with patients: ketamine is not a first-line anxiety treatment, and the evidence base is still developing. For appropriate patients whose anxiety has not responded to multiple standard treatments, ketamine may be a worthwhile addition to their care. For patients earlier in their anxiety journey, focusing on standard evidence-based treatment is typically more appropriate.

When to consider ketamine for anxiety

You may be a candidate for ketamine infusion therapy if specific clinical criteria are met. Candidacy depends on diagnosis, treatment history, medical status, and ongoing mental health care.

Indications

You may be a good candidate

  • You have an established anxiety diagnosis being managed by a mental health professional
  • You’ve completed adequate trials of evidence-based therapy (typically including CBT or other appropriate therapy modality)
  • You’ve tried multiple standard medications (SSRIs, SNRIs, others as appropriate) without adequate response
  • Your anxiety significantly affects your daily life despite ongoing treatment
  • You’re medically stable and have no contraindications to ketamine
  • You have ongoing mental health care to support you alongside infusions
Contraindications

This may not be the right fit

  • You’re newly diagnosed and haven’t yet had adequate trials of standard treatment
  • You have specific medical contraindications (uncontrolled hypertension, certain cardiac conditions, history of psychotic disorders, certain other conditions)
  • You’re not currently engaged in mental health care
  • You’re seeking ketamine recreationally or as a substitute for evidence-based care

The candidacy assessment happens during an in-person consultation with Dr. Lalani or Dr. Samimi. We coordinate directly with your psychiatrist or therapist as part of that evaluation. A candidacy decision is collaborative, not unilateral.

How PHI approaches ketamine for anxiety

The first step is comprehensive evaluation.

  1. Detailed history

    We review your anxiety diagnosis, treatment history, and current providers. We need a clear picture of where you’ve been before discussing where you go next.

  2. Confirmation of ongoing care

    We confirm that you have ongoing psychiatric care and have completed adequate trials of standard treatment. Ketamine is an adjunct, not a replacement.

  3. Medication trial review

    We review your prior medication trials and treatment response in detail. What worked partially. What didn’t work. What you’re currently taking.

  4. Candidacy assessment

    We assess whether ketamine is appropriate given your specific situation. The answer isn’t always yes, and we tell you honestly either way.

  5. Honest expectations conversation

    We discuss what ketamine can and cannot do for anxiety specifically. We don’t oversell the evidence. We don’t promise outcomes we can’t deliver.

For appropriate candidates, treatment involves physician-administered IV infusions in a clinic setting. Each infusion typically takes 40 to 60 minutes. You’re awake throughout, in a private setting, with continuous monitoring of vital signs.

We deliver a defined treatment series rather than open-ended dosing. The number of infusions and their spacing vary patient to patient. Some patients receive maintenance infusions periodically afterward.

Throughout your treatment series, we coordinate with your mental health team. We communicate with your psychiatrist or therapist as appropriate and integrate ketamine with your broader anxiety care.

For more detail on the procedure itself, see our Ketamine Infusion Therapy treatment page.

Why PHI for treatment-resistant anxiety

PHI’s approach to ketamine for anxiety reflects our broader commitment to physician-administered care, clinical coordination, and the safety infrastructure of a real medical practice.

i.

Two Board-Certified Physicians

Dr. Faisal Lalani and Dr. Nadiv Samimi both trained in interventional pain management at Cedars-Sinai. They have experience with ketamine administration for both pain and mood indications.

ii.

Physician-Monitored Clinical Setting

Ketamine infusions are administered in a controlled clinical setting under continuous physician monitoring, with vital signs monitored throughout.

iii.

Honest Framing

We don’t oversell ketamine for anxiety. The evidence is less robust than for depression. We discuss this openly and recommend ketamine only for patients who genuinely fit the appropriate profile.

iv.

Coordination with Mental Health Teams

We work alongside your existing care rather than replacing it. Ketamine is one tool within broader anxiety treatment, not a standalone solution.

v.

Concierge Medical Model

Single-physician continuity from initial evaluation through your treatment series. Same physicians, same standard of care, every visit.

vi.

Concierge, coordinated care

Single-physician continuity from consultation through treatment and return to activity. Patients receive clear guidance and transparent pricing at consultation.

Frequently asked questions

Stronger for depression, less mature for anxiety. Ketamine has multiple high-quality randomized trials specifically for treatment-resistant depression. Evidence for anxiety conditions is accumulating but not yet at the same level. For patients whose anxiety has resisted standard treatment, the available evidence is encouraging; for patients earlier in their treatment journey, standard approaches are typically more appropriate.

Treatments we offer for anxiety

PHI offers physician-administered ketamine infusion therapy for severe, treatment-resistant anxiety conditions, alongside complementary wellness protocols where appropriate. We work alongside your mental health team rather than replacing the broader care you need.

Schedule your anxiety consultation

A 60-minute consultation will evaluate whether ketamine infusion therapy is appropriate for your specific anxiety situation, walk through the protocol, and coordinate with your mental health team. Call (310) 856-9488 or book online now.

Begin a consultation

Schedule with PHI.

A 60-minute consultation includes history, imaging review, and an honest discussion of whether interventional or regenerative care is the right next step for you.