NPPES file of Aug 9, 2026

Sheldon P. Blau, MD

Rheumatology Physician · Massapequa, NY

Sheldon P. Blau, MD is a rheumatology physician with a practice address in Massapequa, New York, and NPI 1376607267, issued on Dec 22, 2006. Check the license (New York 087639, 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
1376607267
Name
Sheldon P. Blau
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
087639 NY
Self-reported in NPPES; status is on the state search
Practice location
566 Broadway, Massapequa, NY 11758
Phone
(516) 541-6262
Enumerated
Dec 22, 2006
Record last updated
Aug 5, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(516) 541-0011
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 566 Broadway

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

  1. Jeffrey Kornreich, MDPhysical Medicine & Rehabilitation Physician1386712487
  2. Gary Stones, DPMPodiatrist1811965080
  3. Louis Tiger, MDRheumatology Physician1902960891

Verify Sheldon P. Blau 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 087639
    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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Sheldon P. Blau among 599 rheumatology physician records in New York

Sheldon P. Blau, MD is one of 599 rheumatology physician records with a practice address in New York. 85% 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileNo · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2010 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in New York

There are 599 rheumatology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Robert Marcus, MDMassapequa, NY 117581619958931
  2. Louis Tiger, MDMassapequa, NY 117581902960891
  3. Akbar Khan, M.D.Lindenhurst, NY 117571831155639
  4. Gary Meredith, M.D.Jericho, NY 117531659383503
  5. Harley Cohen, MDNesconset, NY 117671669535845
  6. Ranjan Roy, M.D.Northport, NY 117681174615140
  7. Monica WeinbergNorthport, NY 117681265896104
  8. Max Hamburger, M.D.Melville, NY 117471023004876

Common questions

What is Sheldon P. Blau, MD's NPI number?

Sheldon P. Blau, MD's National Provider Identifier (NPI) is 1376607267, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sheldon P. Blau, MD located?

The NPPES record lists a practice address at 566 Broadway, Massapequa, NY, 11758. Phone: (516) 541-6262. Providers update this record themselves, so call before visiting.

How can I verify Sheldon P. Blau, MD's license?

NPPES lists New York license number 087639, 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.

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.