NPPES file of Aug 9, 2026

Thomas Zachmann, RD

Registered Dietitian · Hicksville, NY

Thomas Zachmann, RD is a registered dietitian with a practice address in Hicksville, New York, and NPI 1699338103, issued on Apr 19, 2019. Check the license (New York 009640-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1699338103
Name
Thomas Zachmann
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
License number
009640-1 NY
Self-reported in NPPES; status is on the state search
Practice location
400 S Oyster Bay RD Ste 300, Hicksville, NY 11801
Phone
(516) 502-5577
Enumerated
Apr 19, 2019
Record last updated
May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(833) 734-1553
Medicare enrollment
Enrolled (PECOS I20210414001309); accepts Medicare assignment
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.
Download card Updates feed

8 nearest registered dietitian records → All 4,724 in New York → Look up another NPI →

Also registered at 400 S Oyster Bay RD Ste 300

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

  1. Kathie Brand, M.D.Internal Medicine Physician1255433744
  2. Joelle PorushNutritionist1780298984

Verify Thomas Zachmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 009640-1    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 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. New York Dietetics And Nutrition PLLCCommack, NY

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

Thomas Zachmann among 4,724 registered dietitian records in New York

Thomas Zachmann, RD is one of 4,724 registered dietitian records with a practice address in New York. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 54% of them.

  • NPI issued2019 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 10% of these records are
  • Graduated2017 · median 2013 among the 478 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in New York

There are 4,724 registered dietitian records in New York.

All 4,724 in New York → Every provider in Hicksville → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Colleen Chiariello, MS, RD, CDNHicksville, NY 118011427797224
  2. Melissa Darlow, RDHicksville, NY 118011124740576
  3. Angela Houlie, RDN, CDNHicksville, NY 118011033780606
  4. Joyce Liang, RDHicksville, NY 118011477481612
  5. Kim Manfried, R.D.Hicksville, NY 118011205136934
  6. Lauren Manganiello, RDHicksville, NY 118011306456900
  7. Israel Mendez Martinez, RDN, CDNHicksville, NY 118011902755838
  8. Daniella OleckiHicksville, NY 118011114861341

Common questions

What is Thomas Zachmann, RD's NPI number?

Thomas Zachmann, RD's National Provider Identifier (NPI) is 1699338103, issued on Apr 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Zachmann, RD located?

The NPPES record lists a practice address at 400 S Oyster Bay RD Ste 300, Hicksville, NY, 11801. Phone: (516) 502-5577. Providers update this record themselves, so call before visiting.

How can I verify Thomas Zachmann, RD's license?

NPPES lists New York license number 009640-1, as entered by the provider. 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. Medicare files from data.cms.gov. 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.