Louis Marshall Najarian, MD
Child & Adolescent Psychiatry Physician · Manhasset, NY
Louis Marshall Najarian, MD is a child & adolescent psychiatry physician with a practice address in Manhasset, New York, and NPI 1548429855, issued on Jun 3, 2008. Check the license (New York 1117311, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Louis Marshall Najarian
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 1117311 NY
Self-reported in NPPES; status is on the state search - Practice location
- 324 Park Avenue, Manhasset, NY 11030
- Phone
- (516) 627-3980
- Enumerated
- Jun 3, 2008
- Record last updated
- Jun 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (516) 365-2219
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 827 in New York → Look up another NPI →
Verify Louis Marshall Najarian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 1117311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
182 Medicare Part D claims for 14 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Alprazolam38 claims
- Trazodone Hcl21 claims
- Sertraline Hcl16 claims
- Bupropion Xl13 claims
- Dextroamphetamine-Amphet Er12 claims
- Bupropion Hcl Sr11 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.
Louis Marshall Najarian among 827 child & adolescent psychiatry physician records in New York
Louis Marshall Najarian, MD is one of 827 child & adolescent psychiatry physician records with a practice address in New York. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 38% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 26% of these records are
- Record last updated2008 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in New York
There are 827 child & adolescent psychiatry physician records in New York.
All 827 in New York → Every provider in Manhasset → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Alan Cohen, MDManhasset, NY 110301235269531
- Rona Miller-Muntner, PSY.DManhasset, NY 110301427179720
- John Sawicki, D.O.Manhasset, NY 110301578772810
- Thomas Yang, M.D.Manhasset, NY 110301073957676
- Gavrosh Faylayev, MDGreat Neck, NY 110231407102312
- Scott Albin, DOGreat Neck, NY 110211134200447
- Diana Kornreich, MDGreat Neck, NY 110211679692248
- Caryl OrisGreat Neck, NY 110211831390780
Common questions
What is Louis Marshall Najarian, MD's NPI number?
Louis Marshall Najarian, MD's National Provider Identifier (NPI) is 1548429855, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Louis Marshall Najarian, MD located?
The NPPES record lists a practice address at 324 Park Avenue, Manhasset, NY, 11030. Phone: (516) 627-3980. Providers update this record themselves, so call before visiting.
How can I verify Louis Marshall Najarian, MD's license?
NPPES lists New York license number 1117311, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louis Marshall Najarian, MD prescribe under Medicare Part D?
In 2024, Louis Marshall Najarian, MD had 182 Medicare Part D claims for 14 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.