NPPES file of Aug 9, 2026

Alexander Mariani, RD, CDCES

Registered Dietitian · Bayville, NY

Alexander Mariani, RD, CDCES is a registered dietitian with a practice address in Bayville, New York, and NPI 1871463992, issued on Nov 5, 2025. Check the license with the New York board that licenses this profession; 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
1871463992
Name
Alexander Mariani
Credential
RD, CDCES
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
5 Tildean LN, Bayville, NY 11709
Phone
(516) 880-4428
Enumerated
Nov 5, 2025
Record last updated
Nov 5, 2025
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 Alexander Mariani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
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3 registered dietitian records list a practice address in Bayville

They are 3 of the 71 NPPES records with a practice address in Bayville, and 4,724 registered dietitian records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3 in Bayville → All 4,724 in New York → Every provider in Bayville →

Other registered dietitian records in New York

  1. Tara Abba, MS, RD, CNSCDelmar, NY1629761853
  2. Eman Abbas, RDWoodside, NY1730995549
  3. Connor Abbott, RD, RDNBatavia, NY1023722006
  4. Jill Abdallah, MS, RD, CDNWhite Plains, NY1780055525
  5. Heba Abdelnabi, MS, RD, CDNBrooklyn, NY1710599766
  6. Brenda Abdulahad, RD, CDN, CNSCBrooklyn, NY1992276844
  7. Matthew AbelSuffern, NY1922563261
  8. Michal AbishMonsey, NY1790515815
  9. Dalia Abott, LMSW, RD, CDNWoodmere, NY1396324026
  10. Dawn Abounader Chase, RDCooperstown, NY1356584122

Common questions

What is Alexander Mariani, RD, CDCES's NPI number?

Alexander Mariani, RD, CDCES's National Provider Identifier (NPI) is 1871463992, issued on Nov 5, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Mariani, RD, CDCES located?

The NPPES record lists a practice address at 5 Tildean LN, Bayville, NY, 11709. Phone: (516) 880-4428. Providers update this record themselves, so call before visiting.

How can I verify Alexander Mariani, RD, CDCES's license?

Search the New York board that licenses this profession; the NPPES record confirms identity 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. 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.