NPPES file of Aug 9, 2026

John Steven Marino, M.D.

Hematology & Oncology Physician · New Hyde Park, NY

John Steven Marino, M.D. is a hematology & oncology physician with a practice address in New Hyde Park, New York, and NPI 1538163803, issued on Jun 2, 2005. Check the license (New York 143453, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538163803
Name
John Steven Marino
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
143453 NY
Self-reported in NPPES; status is on the state search
Practice location
1999 Marcus Ave, New Hyde Park, NY 11042
Phone
(516) 883-0122
Enumerated
Jun 2, 2005
Record last updated
Aug 30, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(516) 883-2507
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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8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →

Also registered at 1999 Marcus Ave

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

  1. Daniel Bassiri-Tehrani, MDAnesthesiology Physician1568783181
  2. Mitchell Berger, MDInternal Medicine Physician1053362970
  3. Rebecca BittmanAdult Health Nurse Practitioner1083456537
  4. Maureen Calabrese, A.N.P.Adult Health Nurse Practitioner1326298951
  5. Anu Chandok, M.D.Hematology & Oncology Physician1346415734
  6. Sophia Clarke, NPAdult Health Nurse Practitioner1205006749

Verify John Steven Marino 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 143453    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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John Steven Marino among 1,163 hematology & oncology physician records in New York

John Steven Marino, M.D. is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in New York

There are 1,163 hematology & oncology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,163 in New York → Every provider in New Hyde Park → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Francis Arena, MDLake Success, NY 110421699760132
  2. Klaus Dittmar, M.D.New Hyde Park, NY 110421245239664
  3. Gerard Donnelly, M.D.New Hyde Park, NY 110421518966944
  4. Richard Forte, M.D.New Hyde Park, NY 110421891794210
  5. Francisco Garcia-Moreno, MDLake Success, NY 110421144223264
  6. Ari Ginsberg, M.D.New Hyde Park, NY 110421184628059
  7. Ummekalsoom Malik, MDLake Success, NY 110421124021209
  8. Brian McNelis, M.D.New Hyde Park, NY 110421194727263

Common questions

What is John Steven Marino, M.D.'s NPI number?

John Steven Marino, M.D.'s National Provider Identifier (NPI) is 1538163803, issued on Jun 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Steven Marino, M.D. located?

The NPPES record lists a practice address at 1999 Marcus Ave, New Hyde Park, NY, 11042. Phone: (516) 883-0122. Providers update this record themselves, so call before visiting.

How can I verify John Steven Marino, M.D.'s license?

NPPES lists New York license number 143453, 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. 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.