NPPES file of Aug 9, 2026

Marvin Leifer, M.D.

Psychiatry Physician · Princeton, NJ

Marvin Leifer, M.D. is a psychiatry physician with a practice address in Princeton, New Jersey, and NPI 1871657767, issued on Dec 22, 2006. Check the license (New Jersey MA56113, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1871657767
Name
Marvin Leifer
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MA56113 NJ
Self-reported in NPPES; status is on the state search
Practice location
42 N Tulane St, Princeton, NJ 08542
Phone
(609) 497-1810
Enumerated
Dec 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(609) 683-7929
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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Verify Marvin Leifer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license MA56113
    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 Jersey license search

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46% fewer Medicare Part D claims than the average psychiatry physician in 2024

544 Medicare Part D claims for 30 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. Marvin Leifer544
  2. Specialty average1,000

Most prescribed

  1. Dextroamphetamine-Amphetamine106 claims
  2. Fluoxetine Hcl50 claims
  3. Buspirone Hcl32 claims
  4. Lorazepam29 claims
  5. Methylphenidate Hcl27 claims
  6. Bupropion Xl26 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.

Marvin Leifer among 1,520 psychiatry physician records in New Jersey

Marvin Leifer, M.D. is one of 1,520 psychiatry physician records with a practice address in New Jersey. 73% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 56% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2007 · 62% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

72 psychiatry physician records list a practice address in Princeton

They are 72 of the 1,622 NPPES records with a practice address in Princeton, and 1,520 psychiatry physician records in New Jersey.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Linda Gochfeld, M.D.Princeton, NJ 085421972650448
  2. Ruth Hamori, MDPrinceton, NJ 085421801096243
  3. Maya Koenig-Dzialowski, MDPrinceton, NJ 085421093161671
  4. Stefan Lerner, MDPrinceton, NJ 085421487775151
  5. Steven Levine, M.D.Princeton, NJ 085421477672913
  6. Shaila Maddaiah, MDPrinceton, NJ 085421760594766
  7. Joseph Salvatore, M.D.Princeton, NJ 085421356401863
  8. Laura Schafer, M.D.Princeton, NJ 085421558523555

Common questions

What is Marvin Leifer, M.D.'s NPI number?

Marvin Leifer, M.D.'s National Provider Identifier (NPI) is 1871657767, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marvin Leifer, M.D. located?

The NPPES record lists a practice address at 42 N Tulane St, Princeton, NJ, 08542. Phone: (609) 497-1810. Providers update this record themselves, so call before visiting.

How can I verify Marvin Leifer, M.D.'s license?

NPPES lists New Jersey license number MA56113, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marvin Leifer, M.D. prescribe under Medicare Part D?

In 2024, Marvin Leifer, M.D. had 544 Medicare Part D claims for 30 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.