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Internal Medicine

Jeffrey Ha, MD

Sees patients in Worcesteer, MA · Massachusetts

Summary

Jeffrey Ha, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Worcesteer, MA. NPI 1891479382. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey Ha, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
MaleGender (as listed)

Quick answers

Where does Jeffrey Ha see patients?
Medicare's clinician data lists 1 practice location in Worcesteer, MA. Call before your visit to confirm the address.
What is Jeffrey Ha's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jeffrey Ha accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey Ha accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Jeffrey Ha's NPI number?
1891479382. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jeffrey Ha is enrolled with Medicare (CMS data updated 2026-10-02).

  • 5 Neponset StWorcesteer, MA 01606

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Worcesteer

Clinicians with the same Medicare primary specialty in Worcesteer, MA — not a recommendation.

All internal medicine doctors in Worcesteer →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891479382
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians