NPPES file of Aug 9, 2026

Catherine Hsu, R.D.

Registered Dietitian · Boston, MA

Catherine Hsu, R.D. is a registered dietitian with a practice address in Boston, Massachusetts, and NPI 1265643464, issued on May 27, 2007. Check the license with the Massachusetts 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
1265643464
Name
Catherine Hsu
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
750 Washington St, Boston, MA 02111
Phone
(617) 636-5273
Enumerated
May 27, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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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8 nearest registered dietitian records → All 2,244 in Massachusetts → Look up another NPI →

Also registered at 750 Washington St

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

  1. Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
  2. Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
  3. Lori Abrahamian, M.D.Anesthesiology Physician1528012192
  4. Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
  5. Ghada Al Mubarak, M.D.Surgery Physician1407034911
  6. Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919

Verify Catherine Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts 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
Find the Massachusetts 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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Catherine Hsu among 2,244 registered dietitian records in Massachusetts

Catherine Hsu, R.D. is one of 2,244 registered dietitian records with a practice address in Massachusetts. 6% 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 2007, is newer than 10% of them.

  • NPI issued2007 · 10% of these records are older, 80% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2007 · 62% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Massachusetts

There are 2,244 registered dietitian records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,244 in Massachusetts → Every provider in Boston → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Denise Arthurs, M.S., R.D., L.D.N.Boston, MA 021111952564437
  2. Ann Efstathion, MS, RD, LDNBoston, MA 021111194979138
  3. Alanna Eisenberg, MS, RD, LDNBoston, MA 021111548546823
  4. Kerri Hawkins, MS, RD, LDNBoston, MA 021111083746424
  5. Margaret Ip, R.D. L.D.N.Boston, MA 021111912193251
  6. Kelly Kane, MS, RD, LDNBoston, MA 021111912122730
  7. Suzanne Kao, RD, LDN, MSBoston, MA 021111518172741
  8. Claire Kennedy, MS,RD,LDNBoston, MA 021111619181187

Common questions

What is Catherine Hsu, R.D.'s NPI number?

Catherine Hsu, R.D.'s National Provider Identifier (NPI) is 1265643464, issued on May 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Hsu, R.D. located?

The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5273. Providers update this record themselves, so call before visiting.

How can I verify Catherine Hsu, R.D.'s license?

Search the Massachusetts 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.