NPPES file of Aug 9, 2026

John C. Markowitz, M.D.

Psychiatry Physician · New York, NY

John C. Markowitz, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1164598736, issued on Nov 27, 2006. Check the license (New York 155276, 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
1164598736
Name
John C. Markowitz
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
155276 NY
Self-reported in NPPES; status is on the state search
Practice location
40 E 83RD St, New York, NY 10028
Phone
(212) 288-3070
Enumerated
Nov 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(212) 288-3071
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 40 E 83RD St

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

  1. Anne Markowitz, L.C.S.W.Clinical Social Worker1235273418
  2. Jonathan Silver, M.D.Behavioral Neurology & Neuropsychiatry Physician1780702522
  3. Lawrence Turtil, M.D.Psychiatry Physician1730397894

Verify John C. Markowitz 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 155276
    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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64% fewer Medicare Part D claims than the average psychiatry physician in 2024

357 Medicare Part D claims for 28 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.

  1. John Markowitz357
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl50 claims
  2. Bupropion Xl44 claims
  3. Nortriptyline Hcl29 claims
  4. Risperidone27 claims
  5. Fluoxetine Hcl25 claims
  6. Duloxetine Hcl22 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.

Industry payments in 2024: $27.73

1 payment: food and beverage; the largest payer was Stryker Corporation. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Markowitz$27.73
  2. Specialty average$4,954.93

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

John C. Markowitz among 6,589 psychiatry physician records in New York

John C. Markowitz, 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 39% of these records are
  • Record last updated2007 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Brian Aslami, M.D.New York, NY 100281528173994
  2. Samuel Basch, MDNew York, NY 100281356453716
  3. Jeffrey BenezraNyc, NY 100281104835834
  4. Carolyn Douglas, M.D.New York, NY 100281609808286
  5. William Gershell, MDNew York, NY 100281275646002
  6. Iona Ginsburg, MDNew York, NY 100281396718433
  7. David Kahn, M.D.New York, NY 100281497774822
  8. Richard Malen, MDNew York, NY 100281295830784

Common questions

What is John C. Markowitz, M.D.'s NPI number?

John C. Markowitz, M.D.'s National Provider Identifier (NPI) is 1164598736, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John C. Markowitz, M.D. located?

The NPPES record lists a practice address at 40 E 83RD St, New York, NY, 10028. Phone: (212) 288-3070. Providers update this record themselves, so call before visiting.

How can I verify John C. Markowitz, M.D.'s license?

NPPES lists New York license number 155276, 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 John C. Markowitz, M.D. prescribe under Medicare Part D?

In 2024, John C. Markowitz, M.D. had 357 Medicare Part D claims for 28 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.