Several types of healthcare professionals can diagnose depression and anxiety, from your primary care doctor to psychiatrists, psychologists, and psychiatric nurse practitioners. You don’t need to see a specialist first. In fact, primary care is where the majority of these diagnoses happen, often during a routine visit.
Primary Care Doctors
Your family doctor, internist, or general practitioner is fully qualified to diagnose depression and anxiety. For many people, this is the first and only provider involved. During appointments, primary care doctors use standardized questionnaires alongside their clinical judgment. They can also rule out physical conditions that mimic mental health symptoms, like thyroid disorders or vitamin deficiencies, by ordering blood work and other tests.
The screening tools used most often are the PHQ-9 for depression and the GAD-7 for anxiety. Both are short questionnaires you fill out about your symptoms over the past two weeks. On the PHQ-9, scores of 5 to 9 indicate mild depression, 10 to 14 moderate, 15 to 19 moderately severe, and 20 or above severe. The GAD-7 follows a similar pattern: 5 to 9 is mild anxiety, 10 to 14 moderate, and 15 or higher severe. These scores don’t automatically equal a diagnosis, but research shows that each one-point increase on the PHQ-9 raises the odds of receiving a depression diagnosis by about 19%.
The U.S. Preventive Services Task Force now recommends that all adults 19 and older be screened for anxiety disorders, including pregnant and postpartum individuals. This means your doctor may ask about anxiety symptoms even if you came in for something unrelated.
Psychiatrists
Psychiatrists are medical doctors who completed additional training specifically in mental health. They can diagnose depression and anxiety, prescribe medication, provide therapy, and order lab work or imaging when needed. Because they hold medical degrees, they’re also equipped to evaluate how mental health conditions interact with other physical health problems.
A psychiatrist is particularly useful when symptoms are severe, when a first treatment hasn’t worked, or when there’s uncertainty about whether the diagnosis is depression, bipolar disorder, or another condition that can look similar. Their medical training lets them review labs, coordinate with other specialists, and adjust complex medication regimens.
Psychologists
Psychologists hold doctoral degrees in psychology and are trained to diagnose mental health conditions through clinical interviews, behavioral assessments, and standardized testing. They provide various forms of therapy, including cognitive behavioral therapy, psychoanalytic therapy, and dialectical behavior therapy.
The key difference from psychiatrists: psychologists generally cannot prescribe medication. (A handful of states have granted limited prescribing rights, but this remains the exception.) When medication is needed, psychologists typically refer to or collaborate with a psychiatrist or primary care doctor. If your main goal is talk therapy with someone who has deep expertise in psychological assessment, a psychologist is an excellent fit.
Psychiatric Nurse Practitioners
Psychiatric Mental Health Nurse Practitioners (PMHNPs) are advanced practice nurses trained to diagnose mental health conditions, prescribe medications, and provide psychotherapy. Their training covers pharmacology, physical assessment, diagnosis, and evidence-based therapeutic interventions. In a recent national survey, 66% of psychiatric nurse practitioners reported providing diagnosis and management services to most of their patients, and 76% prescribed medications to most patients. Nearly half combined prescribing with psychotherapy.
How independently a PMHNP can practice depends on where you live. In 26 states and Washington, D.C., they have full practice authority, meaning they can assess, diagnose, order tests, and manage treatment on their own. Thirteen states require a collaborative agreement with another provider, and eleven states require ongoing supervision throughout the nurse practitioner’s career. About 70% of psychiatric nurse practitioners work in outpatient settings, including community health centers, making them an accessible option in areas with psychiatrist shortages.
Therapists and Counselors
Licensed Clinical Social Workers (LCSWs) and Licensed Mental Health Counselors (LMHCs) can also diagnose depression and anxiety within their scope of practice as defined by state law. They are recognized by insurance systems, including Medicare, and must submit a valid diagnosis code when billing for services. In practical terms, this means the diagnosis a therapist gives you carries the same weight on your insurance claim as one from a physician.
These providers focus on therapy rather than medication. If you start with a counselor or social worker and they determine medication could help, they’ll refer you to someone with prescribing authority. Many people find this collaborative approach works well, getting regular therapy from a counselor while a separate provider manages medication if needed.
Pediatricians and Child Specialists
For children and teenagers, pediatricians are often the first to screen for depression and anxiety. National guidelines recommend annual depression screening for adolescents aged 12 and older. For children 11 and younger, there isn’t enough evidence to recommend universal screening, so pediatricians use their clinical judgment based on individual circumstances.
The PHQ-9 and a modified adolescent version (PHQ-A) are the most commonly used screening tools in pediatric settings. These rely on either the patient’s own responses or caregiver reporting, depending on age. An initial screen that raises concerns is typically followed by additional questioning or a formal diagnostic interview. Pediatricians may handle the diagnosis and initial treatment themselves or refer to a child psychiatrist or psychologist for more complex cases.
How the Diagnosis Actually Works
Regardless of who diagnoses you, the process follows the same clinical framework. A diagnosis of major depressive disorder requires at least five symptoms present during the same two-week period, and one of those symptoms must be either persistent depressed mood or loss of interest in activities you used to enjoy. Other symptoms include changes in sleep, appetite, energy, concentration, and feelings of worthlessness or guilt.
Generalized anxiety disorder involves excessive, hard-to-control worry occurring more days than not for at least six months, along with physical symptoms like restlessness, fatigue, muscle tension, or sleep problems. For both conditions, the symptoms need to cause noticeable difficulty in your daily life, whether at work, in relationships, or in basic functioning.
No blood test or brain scan can confirm depression or anxiety. The diagnosis is based entirely on your reported symptoms, your history, and your provider’s clinical assessment. This is why being honest and specific about what you’re experiencing matters more than which type of provider you see.
Telehealth Diagnosis
If you’re wondering whether a video or phone appointment counts, the short answer is yes. A systematic review of 35 studies comparing telehealth psychiatric assessments to in-person evaluations found good agreement and reliability across conditions including depression and anxiety disorders. Telehealth diagnoses using standardized tools matched face-to-face results consistently enough that researchers consider it a viable alternative, especially when in-person visits aren’t practical. Most of the providers listed above now offer telehealth appointments, giving you more flexibility in who you see and when.