Are you Gian A. Leonzon, MSN, RN-BC, PMHNP-BC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 161-10 Jamaica Ave., 2Nd Floor, Jamaica, NY 11432
About Gian Leonzon
Listed in the NPI registry as a nurse practitioner — psychiatric/mental health, Gian A. Leonzon, MSN, RN-BC, PMHNP-BC practices in Jamaica, NY. Gian is also listed as specializing in registered nurse. According to Medicare claims data, Gian cared for 63 Medicare patients across 433 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. NPI 1306392246 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (718) 704-5488
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
161-10 JAMAICA AVE., 2ND FLOOR
Jamaica, NY 11432
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Psychiatric/Mental Health 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
Cognitive issues
Mood disorders
- Emotional Numbness
- Menopause Mood Swings and Anxiety
- Bipolar disorder
- Depression
- Mood swings
- Postpartum depression
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Sleep
Addiction
Addiction & substance use
Anxiety & panic
Attention & learning
Behavioral health
Behavioral issues
Child & adolescent
Cognitive disorders
Crisis & safety
Eating disorders
Medication side effects
Obsessions & compulsions
Personality disorders
Psychotic disorders
Stress & lifestyle
Trauma & stress
Procedures & services
Addiction treatment
Consultations
Crisis care
Evaluations & paperwork
- Child Psychiatric Evaluation
- Disability Mental Health Evaluation
- Gender-Affirming Mental Health Letter
- Psychiatric Clearance for Surgery
- School Accommodation Evaluation
- Treatment-Resistant Depression Evaluation
- Cognitive Assessment
Evaluations & testing
- ADHD Testing and Diagnosis
- Adolescent Psychiatric Evaluation
- Emotional Support Animal (ESA) Evaluation
- FMLA and Mental Health Leave Paperwork
- Postpartum Mental Health Screening
- Second Opinion on Mental Health Diagnosis
- DNA drug response testing
- Psychiatric evaluation
Interventional treatments
Medication management
- Antidepressant Prescription
- Antipsychotic Medication Management
- Anxiety Medication Management
- Benzodiazepine Tapering
- Lithium Monitoring and Blood Level Checks
- Long-Acting Antipsychotic Shot
- Non-Stimulant ADHD Medication Management
- Prescription Refill Visit
- Smoking Cessation Medication Visit
- Stimulant Medication Monitoring
- Switching Antidepressants
- Tardive Dyskinesia Treatment
- Weight Management for Psychiatric Med Side Effects
- Lab Work for Psychiatric Medications
- Medication management
- Mood Stabilizer Management
- Sleep Medication Management
- Tapering Off Psychiatric Medication
Therapy
- Somatic Calming and Relaxation Training
- Acceptance and commitment therapy (ACT)
- Anger Management Counseling
- Bereavement counseling
- Insomnia Treatment (CBT-I)
- Suicide safety planning
Therapy & counseling
- Couples and Family Mental Health Counseling
- Dialectical Behavior Therapy (DBT) Skills
- Cognitive Behavioral Therapy (CBT)
- Exposure and Response Prevention
- Mindfulness-based stress reduction
- Prolonged exposure therapy
- Supportive psychotherapy
Telehealth
Procedures Most Often Billed to Medicare
433 services · 63 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
433 | More than most peers in Psychiatric Nurse Practitioner |
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.
Other nurse practitioners in Jamaica 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Gian A. Leonzon, MSN, RN-BC's specialty?
Gian A. Leonzon, MSN, RN-BC is a nurse practitioner in Jamaica, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where can I find Gian A. Leonzon, MSN, RN-BC?
Gian A. Leonzon, MSN, RN-BC is listed at 161-10 Jamaica Ave., 2Nd Floor, Jamaica, NY 11432. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gian A. Leonzon, MSN, RN-BC?
The number on file is (718) 704-5488. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gian A. Leonzon, MSN, RN-BC's NPI number?
Gian A. Leonzon, MSN, RN-BC's National Provider Identifier is 1306392246. 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 Gian A. Leonzon, MSN, RN-BC's education?
Gian A. Leonzon, MSN, RN-BC attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Gian A. Leonzon, MSN, RN-BC been practicing?
Gian A. Leonzon, MSN, RN-BC has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What is Gian A. Leonzon, MSN, RN-BC known for?
According to Medicare billing data, Gian A. Leonzon, MSN, RN-BC the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gian A. Leonzon, MSN, RN-BC confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gian A. Leonzon, MSN, RN-BC. If this is you, claiming it is free.
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