NPPES file of Aug 9, 2026

Jack Hirschowitz, M.D.

Psychiatry Physician · New York, NY

Jack Hirschowitz, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1205979044, issued on Feb 14, 2007. Check the license (New York 164796, 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
1205979044
Name
Jack Hirschowitz
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
164796 NY
Self-reported in NPPES; status is on the state search
Practice location
903 Park Ave, New York, NY 10021
Phone
(212) 410-3376
Enumerated
Feb 14, 2007
Record last updated
Jan 15, 2016 (not updated in 10 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 903 Park Ave

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

  1. Henry Bachrach, PH.DClinical Psychologist1013064930
  2. David CarmichaelInternal Medicine Physician1063453231
  3. Susan Fox, M.D.Internal Medicine Physician1083644074
  4. Elie Harouche, MD, FACSPlastic Surgery Physician1942389309
  5. Britt Hayes, MSW,LCSWClinical Social Worker1225176761
  6. Valeriya Itkina, DDSGeneral Practice Dentistry1578206884

Verify Jack Hirschowitz 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 164796    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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25% fewer Medicare Part D claims than the average psychiatry physician in 2024

751 Medicare Part D claims for 59 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Jack Hirschowitz751
  2. Specialty average1,000

Most prescribed

  1. Clonazepam92 claims
  2. Escitalopram Oxalate61 claims
  3. Bupropion Xl43 claims
  4. Lorazepam41 claims
  5. Clozapine40 claims
  6. Alprazolam37 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.

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 2,604 in New York → All 6,589 in New York → Every provider in New York →

Other psychiatry physician records in New York

  1. Muhammad AadilBronx, NY1366928947
  2. Geetha Aakalu, M.D.Monticello, NY1770628661
  3. Harry Aaron, M.D.New York, NY1821116187
  4. Lisa Aaron, MDPeekskill, NY1316097934
  5. Shelley AaronsNew York, NY1770883258
  6. James Abanishe, M.DNew New, NY1992053573
  7. Benjamin Abastillas, M.D.Hyde Park, NY1750439832
  8. Tessie AbastillasMarcy, NY1801098496
  9. Ashraf Abaza, M.D.New York, NY1831105246
  10. Israr Abbasi, MDLakewood, NY1518925437

Common questions

What is Jack Hirschowitz, M.D.'s NPI number?

Jack Hirschowitz, M.D.'s National Provider Identifier (NPI) is 1205979044, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jack Hirschowitz, M.D. located?

The NPPES record lists a practice address at 903 Park Ave, New York, NY, 10021. Phone: (212) 410-3376. Providers update this record themselves, so call before visiting.

How can I verify Jack Hirschowitz, M.D.'s license?

NPPES lists New York license number 164796, 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 Jack Hirschowitz, M.D. prescribe under Medicare Part D?

In 2024, Jack Hirschowitz, M.D. had 751 Medicare Part D claims for 59 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.