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Registered Dietitian or Nutrition Professional

Margaret Ullmann Weil, MNT

Sees patients in Boston, MA · Massachusetts

Summary

Margaret Ullmann Weil, MNT (Registered Dietitian or Nutrition Professional) is enrolled with Medicare at 1 practice location in Boston, MA. NPI 1952374894. 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 Margaret Ullmann Weil, 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

Registered Dietitian or Nutrition ProfessionalPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
47Years since medical school (graduated 1979)
Michigan State University College Of Human MedicineMedical school
FemaleGender (as listed)
Atrius Health IncGroup practice

Quick answers

Where does Margaret Ullmann Weil see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Margaret Ullmann Weil's specialty?
Medicare lists Registered Dietitian or Nutrition Professional as the primary specialty.
Does Margaret Ullmann Weil accept Medicare assignment?
Yes. Medicare's clinician data says Margaret Ullmann Weil 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.
Does Margaret Ullmann Weil offer telehealth?
Medicare's clinician data says Margaret Ullmann Weil offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Margaret Ullmann Weil?
(617) 421-1000, as listed in official Medicare / NPI Registry data.
What is Margaret Ullmann Weil's NPI number?
1952374894. 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 Margaret Ullmann Weil is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Margaret Ullmann Weil as a member of this group (CMS data updated 2026-10-02).

  • Atrius Health Inc1,222 clinicians in the group

Specialties

Find other clinicians: Registered Dietitian or Nutrition Professional, Massachusetts →

Other dietitians in Boston

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

All dietitians in Boston →

Clinician information

CredentialMNT
Medical schoolMichigan State University College Of Human Medicine
Graduation year1979
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952374894
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