Dr Margaret Ann Maher, PHD, RDN - Medicare Dietitian in Madison, WI

Dr Margaret Ann Maher, PHD, RDN is a medicare enrolled "Dietitian, Registered" provider in Madison, Wisconsin. Her current practice location is 621 Science Dr, Madison, Wisconsin. You can reach out to her office (for appointments etc.) via phone at (608) 265-8303.

Dr Margaret Ann Maher is licensed to practice in New Hampshire (license number 1551) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1548002074.

Contact Information

Dr Margaret Ann Maher, PHD, RDN
621 Science Dr,
Madison, WI 53711-1074
(608) 265-8303
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameDr Margaret Ann Maher
GenderFemale
SpecialityDietitian, Registered
Location621 Science Dr, Madison, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1548002074
  • Provider Enumeration Date: 06/06/2024
  • Last Update Date: 04/20/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6608313465
  • Enrollment ID: I20240730002268

Medical Identifiers

Medical identifiers for Dr Margaret Ann Maher such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548002074NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered 1953 (Wisconsin)Secondary
133V00000XDietitian, Registered LDN01294 (Rhode Island)Secondary
133V00000XDietitian, Registered 1551 (New Hampshire)Primary

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. Dr Margaret Ann Maher allows following entities to bill medicare on her behalf.
Provider NameMary Hitchcock Memorial Hospital
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1023092053
PECOS PAC ID: 4486561164
Enrollment ID: O20031126000258
Provider NameDartmouth-hitchcock Clinic
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1548210198
PECOS PAC ID: 4183537509
Enrollment ID: O20040809000442

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. Dr Margaret Ann Maher 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
Dr Margaret Ann Maher, PHD, RDN
430 Cherry Hill Dr,
Madison, WI 53717-2653

Ph: (608) 498-1542
Dr Margaret Ann Maher, PHD, RDN
621 Science Dr,
Madison, WI 53711-1074

Ph: (608) 265-8303

Reviews and Comments


Dietitian, Registered in Madison, WI

Ms. Lauren Begnel, RD LD
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 1310 Mendota St Ste 119, Madison, WI 53714
Phone: 608-747-7878    
Mariana Gandolfo Bustamante, MS, RDN, CD
Dietitian
Medicare: May Accept Medicare Assignments
Practice Location: 3209 Dryden Dr, Madison, WI 53704
Phone: 608-241-9020    
Innovative Nutrition Solutions, Llc
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 414 Donofrio Dr, Suite 120, Madison, WI 53719
Phone: 608-836-3473    Fax: 608-831-5319
Mrs. Karyn Evelyn Moehring, MA, RDN, CD
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 34 Schroeder Ct, Suite 230, Madison, WI 53711
Phone: 608-467-3473    Fax: 608-831-5319
Ann Marie Mader,
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 600 Highland Ave, Compliance Mc 2433, Madison, WI 53792
Phone: 608-662-0817    Fax: 608-203-4544
Ann M Martin,
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 600 Highland Ave, Compliance Mc 2433, Madison, WI 53792
Phone: 608-662-0817    Fax: 608-203-4544
Rachael Shangraw,
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 1821 S Stoughton Rd, Madison, WI 53716
Phone: 309-242-5548    

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.