Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Margaret Ullmann-Weil, RD

Individual provider Registered Dietitian · NPI 1952374894

Margaret Ullmann-Weil, RD is a Registered Dietitian OR Nutrition Professional in Cambridge, Massachusetts. Graduated from Michigan State University College of Human Medicine in 1979, 47 years ago. Practices with Atrius Health Inc, a 1,205-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
47
Trained at
Michigan State University College of Human Medicine
Licensed in
MA
In the registry since
2006
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

1611 Cambridge St
Cambridge, MA 02138-4302
Phone: (617) 629-6444
Fax: (617) 629-6070
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 832 (MA)

Record details

NPI number1952374894
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedFebruary 10, 2006
Last updated in NPPESOctober 28, 2020
Certification dateOctober 28, 2020
Mailing address1611 Cambridge St, Cambridge, MA 02138-4302

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1979 (47 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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