Margaret Ullmann-weil, RD - Medicare Dietitian in Cambridge, MA

Margaret Ullmann-weil, RD is a medicare enrolled "Dietitian, Registered" provider in Cambridge, Massachusetts. She went to Michigan State University College Of Human Medicine and graduated in 1979 and has 45 years of diverse experience with area of expertise as Registered Dietitian Or Nutrition Professional. She is a member of the group practice Atrius Health Inc and her current practice location is 1611 Cambridge St, Cambridge, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 629-6444.

Margaret Ullmann-weil is licensed to practice in Massachusetts (license number 832) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1952374894.

Contact Information

Margaret Ullmann-weil, RD
1611 Cambridge St,
Cambridge, MA 02138-4302
(617) 629-6444
(617) 629-6070

Map and Direction




Healthcare Provider's Profile

Full NameMargaret Ullmann-weil
GenderFemale
SpecialityRegistered Dietitian Or Nutrition Professional
Experience45 Years
Location1611 Cambridge St, Cambridge, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Margaret Ullmann-weil attended and graduated from Michigan State University College Of Human Medicine in 1979
  NPI Data:
  • NPI Number: 1952374894
  • Provider Enumeration Date: 02/10/2006
  • Last Update Date: 10/28/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3779511704
  • Enrollment ID: I20050801000796

Medical Identifiers

Medical identifiers for Margaret Ullmann-weil such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952374894NPI-NPPES
680078OtherMATUFTS HEALTH PLAN
0015209OtherMANEIGHBORHOOD HEALTH PLAN
LD0114OtherMABLUE CROSS
P00155520OtherMAMEDICARE RAILROAD
39384OtherMAHARVARD PILGRIM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered 832 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Atrius Health Inc47895886411116

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Margaret Ullmann-weil allows following entities to bill medicare on her behalf.
Provider NameAtrius Health Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1871639914
PECOS PAC ID: 4789588641
Enrollment ID: O20031121000582

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Margaret Ullmann-weil is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Margaret Ullmann-weil, RD
1611 Cambridge St,
Cambridge, MA 02138-4302

Ph: (617) 629-6444
Margaret Ullmann-weil, RD
1611 Cambridge St,
Cambridge, MA 02138-4302

Ph: (617) 629-6444

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.