NPPES file of Aug 9, 2026

Leonard Silverstein, M.D.

Specialist · Saddle River, NJ

Leonard Silverstein, M.D. is a specialist with a practice address in Saddle River, New Jersey, and NPI 1639138571, issued on Mar 20, 2006. Check the license (New Jersey MA57113, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639138571
Name
Leonard Silverstein
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
MA57113 NJ
Self-reported in NPPES; status is on the state search
Practice location
82 E Allendale RD, Saddle River, NJ 07458
Phone
(201) 236-8282
Enumerated
Mar 20, 2006
Record last updated
Sep 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(201) 236-0138
Medicare enrollment
Enrolled (PECOS I20050421001045); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 1987
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 82 E Allendale RD

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

  1. Ruth Gold, M.D.Specialist1740241074
  2. John Jackson, DMDProsthodontics1851541601
  3. Andrew Kasper, ANDREW KASPER, M.D.Cardiovascular Disease Physician1013007459
  4. Michael Kasper, MDCardiovascular Disease Physician1124280250

Verify Leonard Silverstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license MA57113
    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
Find the New Jersey license search

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15% more Medicare Part D claims than the average specialist in 2024

1,582 Medicare Part D claims for 264 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Leonard Silverstein1,582
  2. Specialty average1,380

Most prescribed

  1. Montelukast Sodium190 claims
  2. Prednisone121 claims
  3. Albuterol Sulfate Hfa102 claims
  4. Dupixent Syringe84 claims
  5. Trelegy Ellipta82 claims
  6. Azithromycin69 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.

The MIPS final score for 2023 (Medicare payment program): 95 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $14,272.28

132 payments; by number, the most common kind was food and beverage; the largest payer was Hikma Pharmaceuticals USA. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leonard Silverstein$14,272
  2. Specialty average$4,761

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

Bills Medicare through one group practice

  1. Mpv New Jersey MD Services PCNutley, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

2 specialist records list a practice address in Saddle River

They are 2 of the 48 NPPES records with a practice address in Saddle River, and 1,636 specialist records in New Jersey.

Other specialist records in New Jersey

  1. Lisa AbateHainesport, NJ1316180755
  2. Ziad Abbud, MDNeptune, NJ1740373489
  3. Aliyah Abdullah-GriffinCarteret, NJ1538519962
  4. Vanjelo Abellar, RPTCarteret, NJ1962595629
  5. Hossein Abessi, M.D.Wayne, NJ1841353794
  6. Marc Abo, M.D.Phillipsburg, NJ1003877267
  7. Ronald Aboody, MDPassaic, NJ1235109976
  8. Ahmed Abou-Taleb, MDBelleville, NJ1962432799
  9. Abdelhamid Abourya, PTFords, NJ1033353800
  10. Abraham Abraham, DPTFort Lee, NJ1144532813

Common questions

What is Leonard Silverstein, M.D.'s NPI number?

Leonard Silverstein, M.D.'s National Provider Identifier (NPI) is 1639138571, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leonard Silverstein, M.D. located?

The NPPES record lists a practice address at 82 E Allendale RD, Saddle River, NJ, 07458. Phone: (201) 236-8282. Providers update this record themselves, so call before visiting.

How can I verify Leonard Silverstein, M.D.'s license?

NPPES lists New Jersey license number MA57113, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Leonard Silverstein, M.D. prescribe under Medicare Part D?

In 2024, Leonard Silverstein, M.D. had 1,582 Medicare Part D claims for 264 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Leonard Silverstein, M.D.'s MIPS final score?

The 2023 MIPS final score is 95 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.