Provider Profile
Diane G. Mercier, PhD
Unclaimed ProfileAbout Dr. Mercier
Listed in the NPI registry as a psychologist — clinical, Diane G. Mercier, PhD practices in Reno, NV. Medicare claims data shows Diane provided 220 services to 52 patients. The services billed most often include psychotherapy, 45 minutes and psychiatric diagnostic evaluation.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (775) 827-7501
- Email not available
Practice Locations
177 CADILLAC PL
Reno, NV 89509
Concerns and Conditions Addressed
Within Clinical Psychology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Abuse & trauma
Addiction
- Alcohol use disorder
- Drug addiction
- Gambling Addiction
- Porn addiction
- Video Game Addiction
Anxiety
- Agoraphobia
- Childhood Anxiety and Depression
Behavioral
- Hoarding
- Skin picking and hair pulling
Child & adolescent
Cognitive
- Mild cognitive impairment
Dissociative
Eating & Body Image
- Body image issues
- Eating disorders
Health & Pain
Identity
- Gender dysphoria
Interpersonal
Life transitions
- Divorce adjustment
- Identity crisis
Mood & Emotion
- Anger issues
- Bipolar disorder
- Illness anxiety disorder
- Panic disorder
- Postpartum depression
- Social anxiety disorder
- Specific phobias
Neurodevelopmental
- Autism
- Learning disorders
Personal Growth
Personality
- Borderline personality disorder
- Perfectionism
Self-harm & crisis
- Self-harm
Sensory & neurological
- Concussion emotional symptoms
- Hatred of Specific Sounds
Severe mental illness
- Schizophrenia
Sleep
- Chronic Nightmares
- Insomnia
Stress & Lifestyle
Stress & lifestyle
Work & identity
- Imposter syndrome
Procedures & services
Most searched procedures
Assessments
- Autism screening
- Dementia Screening
- Gender Affirming Care Assessment
- Memory testing
Behavioral Interventions
- Acceptance and commitment therapy (ACT)
- Anger management
- Dialectical behavior therapy (DBT)
- Exposure and response prevention (ERP)
- Habit reversal training
- Prolonged exposure therapy
Brain-based therapies
Child & adolescent
- Parent-child interaction therapy
- Play therapy
Crisis & safety
- Suicide safety planning
Group Programs
Individual therapy
- Behavioral activation
- Compassion-Focused Therapy
- Solution-focused brief therapy
Interpersonal
Mind-Body
Parenting & Support
Psychodynamic & Integrative
- Internal family systems (IFS)
- Interpersonal psychotherapy
- Psychodynamic psychotherapy
- Schema Therapy
Relationship & family
Skill building
- Executive functioning coaching
Sleep & Health
- Insomnia Treatment (CBT-I)
- Pain Reprocessing Therapy
Specialized therapy
- Ketamine-assisted counseling
Stress & Lifestyle
- Stress Management Counseling
Testing & evaluation
- ADHD Evaluation
- Bariatric Surgery Evaluation
- Emotional Support Animal Evaluation
- Forensic psychological evaluation
- Neuropsychological Testing
- Psychoeducational Testing
Therapy formats
- Group psychotherapy
- Online counseling
- Walk and Talk Therapy
Trauma therapy
- Cognitive processing therapy
Procedures Most Often Billed to Medicare
220 services · 52 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
199 | As often as other peers in Psychologist — Clinical |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
21 | As often as other peers in Psychologist — Clinical |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychologists in Reno 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 45 minutes 8
Providers in NV who bill this service to Medicare most often.
Common questions
What is Diane G. Mercier's specialty?
Diane G. Mercier is a psychologist in Reno, NV. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where can I find Diane G. Mercier?
Diane G. Mercier is listed at 177 Cadillac Pl, Reno, NV 89509. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Diane G. Mercier?
The number on file is (775) 827-7501. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Diane G. Mercier?
Diane G. Mercier's National Provider Identifier is 1730236431. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Diane G. Mercier's education?
Diane G. Mercier attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Diane G. Mercier have?
Diane G. Mercier has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What is Diane G. Mercier known for?
According to Medicare billing data, Diane G. Mercier provides treatments such as psychotherapy, 45 minutes and psychiatric diagnostic evaluation. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Diane G. Mercier's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Diane G. Mercier. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.