Matthew G. Killian, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Melville, NY
Matthew G. Killian, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Melville, New York, and NPI 1275204778, issued on Sep 23, 2021. Check the license (New York 403593, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew G. Killian
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 403593 NY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Broadhollow RD Ste 119, Melville, NY 11747
- Phone
- (516) 588-7512
- Enumerated
- Sep 23, 2021
- Record last updated
- Sep 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Verify Matthew G. Killian 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 403593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
40 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Duloxetine Hcl19 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.
Matthew G. Killian among 4,129 psychiatric/mental health nurse practitioner records in New York
Matthew G. Killian, PMHNP 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 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2021 · 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 Melville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Edward Balzer, PMHNP-BCMelville, NY 117471720763196
- Roberta CostanzoMelville, NY 117471447609136
- Nancy Deacon, N.P.Melville, NY 117471134475189
- Natalie Gayle, NPMelville, NY 117471437305562
- Milena Ratuszny, PMHNPMelville, NY 117471104297944
- Stacy Schoenbach, NPMelville, NY 117471073037032
- Emily Sidoti, PMHNP-BCMelville, NY 117471093543076
- Danielle Strahan, PMHNPMelville, NY 117471053133348
Common questions
What is Matthew G. Killian, PMHNP's NPI number?
Matthew G. Killian, PMHNP's National Provider Identifier (NPI) is 1275204778, issued on Sep 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Matthew G. Killian, PMHNP located?
The NPPES record lists a practice address at 200 Broadhollow RD Ste 119, Melville, NY, 11747. Phone: (516) 588-7512. Providers update this record themselves, so call before visiting.
How can I verify Matthew G. Killian, PMHNP's license?
NPPES lists New York license number 403593, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew G. Killian, PMHNP prescribe under Medicare Part D?
In 2024, Matthew G. Killian, PMHNP had 40 Medicare Part D claims; 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.