NPPES file of Aug 9, 2026

Tamzin Marchese, RD

Registered Dietitian · New Haven, CT

Tamzin Marchese, RD is a registered dietitian with a practice address in New Haven, Connecticut, and NPI 1194962415, issued on Jan 8, 2009. Check the license (Connecticut 000420, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194962415
Name
Tamzin Marchese
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
License number
000420 CT
Self-reported in NPPES; status is on the state search
Practice location
136 Sherman Ave, New Haven, CT 06511
Phone
(203) 787-0117
Enumerated
Jan 8, 2009
Record last updated
Jan 8, 2009 (not updated in 17 years: call before relying on the address or phone)
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 136 Sherman Ave

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

  1. John Amodeo, MDSurgery Physician1871526772
  2. Michelle BookalAdult Health Nurse Practitioner1205780848
  3. Quiona Brooks, NPFamily Nurse Practitioner1629792593
  4. Lisa Cantey, PA-CPhysician Assistant1750376455
  5. Hugh Carey, MDNephrology Physician1255327276
  6. Effie Chang, MDGynecology Physician1487668943

Verify Tamzin Marchese in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 000420    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 Connecticut license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 91.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%52.0
  3. Promoting interoperabilityout of 100 · 25%87.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Registered Dietitian providers in Connecticut

There are 824 registered dietitian records in Connecticut.

All 824 in Connecticut → Every provider in New Haven →

Other registered dietitian records in Connecticut

  1. Kirsten AckermanNew Haven, CT1396298485
  2. Emily AcriNew Haven, CT1962245639
  3. Natalie Adamson, RD,CD-NTorrington, CT1942585054
  4. Merril Adelman, R.D.Norwalk, CT1801125471
  5. Maja Aganovic, RD, LDNNew Haven, CT1356142418
  6. Susan Agnes, RDEast Granby, CT1518225051
  7. Whitney Ahneman, M.S. R.D.Stamford, CT1861785545
  8. Eekra Ahsan, RDGlastonbury, CT1780451229
  9. Nora Ainsworth, MS, RDN, CDNSouthington, CT1851891634
  10. Rachel Aiudi, DCN, RDNNew Haven, CT1164303889

Common questions

What is Tamzin Marchese, RD's NPI number?

Tamzin Marchese, RD's National Provider Identifier (NPI) is 1194962415, issued on Jan 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Tamzin Marchese, RD located?

The NPPES record lists a practice address at 136 Sherman Ave, New Haven, CT, 06511. Phone: (203) 787-0117. Providers update this record themselves, so call before visiting.

How can I verify Tamzin Marchese, RD's license?

NPPES lists Connecticut license number 000420, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

What is Tamzin Marchese, RD's MIPS final score?

The 2023 MIPS final score is 91.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.