NPPES file of Aug 9, 2026

Haewook Han, PHD, RD, CSR, LDN

Renal Nutrition Registered Dietitian · Boston, MA

Haewook Han, PHD, RD, CSR, LDN is a renal nutrition registered dietitian with a practice address in Boston, Massachusetts, and NPI 1053506618, issued on Sep 7, 2007. Check the license (Massachusetts 1706, as entered in NPPES) with the Massachusetts 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
1053506618
Name
Haewook Han
Credential
PHD, RD, CSR, LDN
Primary taxonomy
Renal Nutrition Registered Dietitian 133VN1005X
License number
1706 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 421-1380
Enumerated
Sep 7, 2007
Record last updated
Aug 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(617) 421-2115
Medicare enrollment
Enrolled (PECOS I20071106000837); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1986
Telehealth
Offers telehealth (CMS)
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.
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8 nearest renal nutrition registered dietitian records → All 9 in Massachusetts → Look up another NPI →

Also registered at 133 Brookline Ave

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

  1. Shari Abramowitz, M.D.Pediatrics Physician1558346593
  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Haewook Han 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 1706    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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Bills Medicare through one group practice

  1. Atrius Health IncBoston, MA

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

Renal Nutrition Registered Dietitian providers in Massachusetts

There are 9 renal nutrition registered dietitian records in Massachusetts.

All 9 in Massachusetts → Every provider in Boston → Renal Nutrition Registered Dietitian nationwide →

The 8 renal nutrition registered dietitian records with the nearest ZIP codes

  1. Sierra Parker, RD, LDN, CNSCBrighton, MA 021351477181766
  2. Nancy Spinozzi, RDBoston, MA 021151447340716
  3. Lorraine Castaldo, RDBoston, MA 021141144346016
  4. Poonhar Poon, MS, RDBoston, MA 021111336342633
  5. Nancy Orlando, MA, RD, LDNConcord, MA 017421255481339
  6. Jessica Prohn, MS, RD, CSR, LDNNorth Grafton, MA 015361225666019
  7. Mary Sullivan, M.ED, RD, CSR, LDNWilbraham, MA 010951508315961
  8. Gertraud Frank ElyHolyoke, MA 010401922263854

Common questions

What is Haewook Han, PHD, RD, CSR, LDN's NPI number?

Haewook Han, PHD, RD, CSR, LDN's National Provider Identifier (NPI) is 1053506618, issued on Sep 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Haewook Han, PHD, RD, CSR, LDN located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-1380. Providers update this record themselves, so call before visiting.

How can I verify Haewook Han, PHD, RD, CSR, LDN's license?

NPPES lists Massachusetts license number 1706, 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. 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.