Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Jamaica, NY
Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Jamaica, New York, and NPI 1306392246, issued on Aug 31, 2016. Check the license (New York 402198, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gian Antonio Leonzon
- Credential
- MSN, RN-BC, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 402198 NY
689712 NY
Self-reported in NPPES; status is on the state search - Practice location
- 161-10 Jamaica Ave., 2ND Floor, Jamaica, NY 11432
- Phone
- (718) 704-5488
- Enumerated
- Aug 31, 2016
- Record last updated
- Jul 21, 2022
- Fax
- (718) 704-5485
- Medicare enrollment
- Enrolled (PECOS I20170915002456); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Verify Gian Antonio Leonzon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 402198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.4 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
4,893 Medicare Part D claims for 205 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Zolpidem Tartrate490 claims
- Clonazepam351 claims
- Trazodone Hcl340 claims
- Sertraline Hcl330 claims
- Mirtazapine322 claims
- Hydroxyzine Hcl311 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Brooklyn Center For Psychotherapy, Inc.Brooklyn, NY
- New York Psychotherapy And Counseling CenterBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gian Antonio Leonzon among 4,129 psychiatric/mental health nurse practitioner records in New York
Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 38% of them.
- NPI issued2016 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2017 · median 2021 among the 1,914 with a school on file
- Record last updated2022 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in New York
There are 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Jamaica → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Andrea Berninger, R.N., NPPJamaica, NY 114321831261296
- Angelita Cordova-Hayes, NURSE PRACTITIONERJamaica, NY 114321760055602
- Kamla Gurcharan, NPJamaica, NY 114321386095248
- Sasha Lawson, NPJamaica, NY 114321881066942
- Kathryn LindJamaica, NY 114321568190734
- Philomena Makinde, DNPJamaica, NY 114321982010088
- Ruthe Norbrun, PSYCH. NPJamaica, NY 114321417258054
- Olubukola Olopade, DNPJamaica, NY 114321528683307
Common questions
What is Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC's NPI number?
Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC's National Provider Identifier (NPI) is 1306392246, issued on Aug 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC located?
The NPPES record lists a practice address at 161-10 Jamaica Ave., 2ND Floor, Jamaica, NY, 11432. Phone: (718) 704-5488. Providers update this record themselves, so call before visiting.
How can I verify Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC's license?
NPPES lists New York license number 402198, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC prescribe under Medicare Part D?
In 2024, Gian Antonio Leonzon, MSN, RN-BC, PMHNP-BC had 4,893 Medicare Part D claims for 205 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.