NPPES file of Aug 9, 2026

Leonard Kristal, M.D.

Pediatric Dermatology Physician · East Setauket, NY

Leonard Kristal, M.D. is a pediatric dermatology physician with a practice address in East Setauket, New York, and NPI 1871533810, issued on Jun 7, 2006. Check the license (New York 183687, 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
1871533810
Name
Leonard Kristal
Credential
M.D.
Primary taxonomy
Pediatric Dermatology Physician 207NP0225X
License number
183687 NY
Self-reported in NPPES; status is on the state search
Practice location
181 N Belle Mead RD, East Setauket, NY 11733
Phone
(631) 444-4200
Enumerated
Jun 7, 2006
Record last updated
Jul 13, 2026
Medicaid ID
01211072 NY
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 181 N Belle Mead RD

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

  1. Lovedhi Aggarwal, MDGeriatric Medicine (Family Medicine) Physician1760668933
  2. Hrisanti Arcan, RDRegistered Dietitian1619409646
  3. Sheryll Ann Baltazar, NP-CAdult Health Nurse Practitioner1184162620
  4. Joseph Cirrone, MDRadiation Oncology Physician1023013117
  5. Richard Clark, M.D.Dermatology Physician1700825429
  6. Josephine Connolly-Schoonen, R.D.Registered Dietitian1265476204

Verify Leonard Kristal 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 183687
    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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Industry payments in 2024: $9,227.88

14 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 158 providers of this specialty with any payment received $17,739.76 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leonard Kristal$9,228
  2. Specialty average$17,740

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

Pediatric Dermatology Physician providers in New York

There are 19 pediatric dermatology physician records in New York.

Other pediatric dermatology physician records in New York

  1. Justine Biederman, MDNew York, NY1376040469
  2. Karen Chernoff, M.D.New York, NY1982846812
  3. Maria Cordisco, M.D.Rochester, NY1700217544
  4. Maria Garzon, M.D.New York, NY1487754784
  5. Lauren Geller, M.D.Purchase, NY1558521625
  6. Julia Gittler, MDBronx, NY1427492081
  7. Sharon Glick, M.D.Brooklyn, NY1114911419
  8. Jessica HaberWhite Plains, NY1407218548
  9. Robert Hayman, MDNew Hyde Park, NY1598893851
  10. Christine Lauren, M.D.New York, NY1770741589

Common questions

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

Leonard Kristal, M.D.'s National Provider Identifier (NPI) is 1871533810, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leonard Kristal, M.D. located?

The NPPES record lists a practice address at 181 N Belle Mead RD, East Setauket, NY, 11733. Phone: (631) 444-4200. Providers update this record themselves, so call before visiting.

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

NPPES lists New York license number 183687, 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.

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.