NPPES file of Aug 9, 2026

Diana Marthinsen Hoek, R.D.

Registered Dietitian · Boston, MA

Diana Marthinsen Hoek, R.D. is a registered dietitian with a practice address in Boston, Massachusetts, and NPI 1578713731, issued on Sep 24, 2008. Check the license (Massachusetts 440, as entered in NPPES) 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
1578713731
Name
Diana Marthinsen Hoek
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
440 MA
Self-reported in NPPES; status is on the state search
Practice location
250 Washington St FL 6, Boston, MA 02108
Phone
(617) 624-6149
Enumerated
Sep 24, 2008
Record last updated
Sep 24, 2008 (not updated in 18 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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Verify Diana Marthinsen Hoek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 440    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 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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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 →

Other registered dietitian records in Massachusetts

  1. Lynn Abbott, RDBoston, MA1699006601
  2. Lauren Abeles, RD, RDNNeedham, MA1407621311
  3. Robin Abourizk, MA, MS, RD, LDNBoston, MA1073846945
  4. Christine Abrahamian, R.D.Framingham, MA1114149895
  5. Jenica Abram, MPH, RDN, LDNConcord, MA1891554325
  6. Jennifer Ackerman, MS, RD, LDN, CDEWinchester, MA1538349097
  7. Amy Adams, RDBrockton, MA1033976048
  8. Karin AdamsMarblehead, MA1316531502
  9. Rachel Adams, RDNMarblehead, MA1770438590
  10. Sarah Adler, MS RDN LDNBoston, MA1821741489

Common questions

What is Diana Marthinsen Hoek, R.D.'s NPI number?

Diana Marthinsen Hoek, R.D.'s National Provider Identifier (NPI) is 1578713731, issued on Sep 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Diana Marthinsen Hoek, R.D. located?

The NPPES record lists a practice address at 250 Washington St FL 6, Boston, MA, 02108. Phone: (617) 624-6149. Providers update this record themselves, so call before visiting.

How can I verify Diana Marthinsen Hoek, R.D.'s license?

NPPES lists Massachusetts license number 440, as entered by the provider. 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.