NPPES file of Aug 9, 2026

Tahsin Nafis Hasan, M.D.

Behavioral Neurology & Neuropsychiatry Physician · Stony Brook, NY

Tahsin Nafis Hasan, M.D. is a behavioral neurology & neuropsychiatry physician with a practice address in Stony Brook, New York, and NPI 1366821621, issued on May 20, 2015. Check the license (New York 301376, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366821621
Name
Tahsin Nafis Hasan
Credential
M.D.
Primary taxonomy
Behavioral Neurology & Neuropsychiatry Physician 2084B0040X
License number
301376 NY
Self-reported in NPPES; status is on the state search
Practice location
Putnam Hall South Campus, Stony Brook, NY 11794
Phone
(631) 632-3106
Enumerated
May 20, 2015
Record last updated
Feb 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at Putnam Hall South Campus

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wilfred Farquharson, PH.D.Psychologist1669734133
  2. Deborah Gerard, BCBABehavior Analyst1730769563
  3. Amanda Gorecki, D.O.Child & Adolescent Psychiatry Physician1649697426
  4. Mark Lerman, D.OPsychiatry Physician1861573289

Verify Tahsin Nafis Hasan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 301376
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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96% fewer Medicare Part D claims than the average behavioral neurology & neuropsychiatry physician in 2024

31 Medicare Part D claims, against an average of 823 among the 148 providers of this specialty who prescribed in Part D.

  1. Tahsin Hasan31
  2. Specialty average823

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.

Industry payments in 2024: $30.36

1 payment: food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 68 providers of this specialty with any payment received $7,734.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tahsin Hasan$30.36
  2. Specialty average$7,734.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Behavioral Neurology & Neuropsychiatry Physician providers in New York

There are 26 behavioral neurology & neuropsychiatry physician records in New York.

Other behavioral neurology & neuropsychiatry physician records in New York

  1. Gabriel Ben-Dor, MDEast Meadow, NY1164914123
  2. Sonja Blum, MD, PHDNew York, NY1003073636
  3. Ashleigh-Anne BrownSyracuse, NY1821923871
  4. Jason Brown, MDNew York, NY1346756772
  5. Krystle Chalich, JDSaratoga Springs, NY1174262984
  6. Julie Ciardullo, M.D.Waccabuc, NY1255605994
  7. Pojen DengNew York, NY1194015537
  8. Mariel Deutsch, MD, FAANMerrick, NY1578723854
  9. Sherry Eros, M.D.Liberty, NY1649668724
  10. Azim Etemadi, M.D.New York, NY1790806719

Common questions

What is Tahsin Nafis Hasan, M.D.'s NPI number?

Tahsin Nafis Hasan, M.D.'s National Provider Identifier (NPI) is 1366821621, issued on May 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tahsin Nafis Hasan, M.D. located?

The NPPES record lists a practice address at Putnam Hall South Campus, Stony Brook, NY, 11794. Phone: (631) 632-3106. Providers update this record themselves, so call before visiting.

How can I verify Tahsin Nafis Hasan, M.D.'s license?

NPPES lists New York license number 301376, 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 Tahsin Nafis Hasan, M.D. prescribe under Medicare Part D?

In 2024, Tahsin Nafis Hasan, M.D. had 31 Medicare Part D claims; the average among behavioral neurology & neuropsychiatry physician prescribers was 823. 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.