Niru Shamsun Nahar, M.D.
Psychiatry Physician · New York, NY
Niru Shamsun Nahar, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1316182074, issued on Dec 10, 2008. Check the license (New York 254642, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Niru Shamsun Nahar
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 254642 NY
25MA11328800 NJ
MD434595 PA
Self-reported in NPPES; status is on the state search - Practice location
- 423 E 23RD St, New York, NY 10010
- Phone
- (212) 686-7500
- Enumerated
- Dec 10, 2008
- Record last updated
- Apr 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20200804001576); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 423 E 23RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joycelyn Adams, OTAOccupational Therapy Assistant1891750709
- Julia Agee, MDNeurology Physician1497246003
- Hubimer Aguirre, DPTPhysical Therapist1891375861
- Syeda Ahmed, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1386696094
- Tasneem Ahmed, MDRheumatology Physician1598261265
Verify Niru Shamsun Nahar 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 254642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average psychiatry physician in 2024
4,189 Medicare Part D claims for 226 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Trazodone Hcl303 claims
- Sertraline Hcl281 claims
- Quetiapine Fumarate280 claims
- Hydroxyzine Hcl210 claims
- Risperidone193 claims
- Duloxetine Hcl191 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 3 group practices
- Boston Neurobehavioral Associates, LLCIrvington, NJ
- Preventive Measures LLCAllentown, PA
- Redco Group, LLCLehighton, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Niru Shamsun Nahar among 6,589 psychiatry physician records in New York
Niru Shamsun Nahar, M.D. is one of 6,589 psychiatry physician records with a practice address in New York. 72% 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 56% of them.
- NPI issued2008 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1988 · median 2002 among the 2,559 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
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- Jeffrey Fine, M.D.New York, NY 100101255387965
- Arnaldo Gonzalez-Aviles, MDNew York, NY 100101700835386
- Ira Jasser, MDNew York, NY 100101861441677
- Robyn Robinson, M.D.New York, NY 100101235115940
Common questions
What is Niru Shamsun Nahar, M.D.'s NPI number?
Niru Shamsun Nahar, M.D.'s National Provider Identifier (NPI) is 1316182074, issued on Dec 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Niru Shamsun Nahar, M.D. located?
The NPPES record lists a practice address at 423 E 23RD St, New York, NY, 10010. Phone: (212) 686-7500. Providers update this record themselves, so call before visiting.
How can I verify Niru Shamsun Nahar, M.D.'s license?
NPPES lists New York license number 254642, 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 Niru Shamsun Nahar, M.D. prescribe under Medicare Part D?
In 2024, Niru Shamsun Nahar, M.D. had 4,189 Medicare Part D claims for 226 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.