NPPES file of Aug 9, 2026

Hyoseon Hardt

Clinical Social Worker · Boston, MA

Hyoseon Hardt is a clinical social worker with a practice address in Boston, Massachusetts, and NPI 1417331174, issued on Jul 13, 2015. Check the license (Massachusetts 220044, 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
1417331174
Name
Hyoseon Hardt
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
220044 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-2364
Enumerated
Jul 13, 2015
Record last updated
Jul 13, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250423001304); accepts Medicare assignment
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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Also registered at 300 Longwood Ave

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

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Hyoseon Hardt 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 220044
    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. Cambridge Public Health CommissionCambridge, MA

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

Hyoseon Hardt among 17,815 clinical social worker records in Massachusetts

Hyoseon Hardt is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 55% of them.

  • NPI issued2015 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2007 · median 2004 among the 3,059 with a school on file
  • Record last updated2015 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,906 clinical social worker records list a practice address in Boston

They are 1,906 of the 41,865 NPPES records with a practice address in Boston, and 17,815 clinical social worker records in Massachusetts.

The 8 clinical social worker records with the nearest ZIP codes

  1. Janis Arnold, LICSWBoston, MA 021151386691020
  2. Kathryn Cooney, LICSWBoston, MA 021151366470064
  3. Lois Glass, MSWBoston, MA 021151922199157
  4. Laura Gray, LICSWBoston, MA 021151124087085
  5. Catherine Holman, LICSWBoston, MA 021151487606448
  6. Marsha Joselow, MSW/LICSWBoston, MA 021151225074073
  7. Shuei Kozu, LICSW, MHABoston, MA 021151356447379
  8. Jacqueline Miranda, LICSWBoston, MA 021151053370080

Common questions

What is Hyoseon Hardt's NPI number?

Hyoseon Hardt's National Provider Identifier (NPI) is 1417331174, issued on Jul 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Hyoseon Hardt located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-2364. Providers update this record themselves, so call before visiting.

How can I verify Hyoseon Hardt's license?

NPPES lists Massachusetts license number 220044, 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.

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.