Marion Mc Mahon, MD - Medicare Endocrinology in Rochester, MN

Marion Mc Mahon, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Rochester, Minnesota. She went to University Of Wisconsin School Of Medicine and graduated in 1977 and has 47 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Mayo Clinic and her current practice location is 200 1st St Sw, Rochester, Minnesota. You can reach out to her office (for appointments etc.) via phone at (507) 284-2511.

Marion Mc Mahon is licensed to practice in Minnesota (license number 28418) 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 1073592556.

Contact Information

Marion Mc Mahon, MD
200 1st St Sw,
Rochester, MN 55905-0001
(507) 284-2511
Not Available

Map and Direction




Physician's Profile

Full NameMarion Mc Mahon
GenderFemale
SpecialityEndocrinology
Experience47 Years
Location200 1st St Sw, Rochester, Minnesota
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:
  • Marion Mc Mahon attended and graduated from University Of Wisconsin School Of Medicine in 1977
  NPI Data:
  • NPI Number: 1073592556
  • Provider Enumeration Date: 01/12/2006
  • Last Update Date: 08/18/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4486797933
  • Enrollment ID: I20100205000093

Medical Identifiers

Medical identifiers for Marion Mc Mahon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073592556NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 28418 (Minnesota)Primary
208D00000XGeneral Practice 28418 (Minnesota)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mayo Clinic Hospital RochesterRochester, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mayo Clinic65077782554266

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. Marion Mc Mahon allows following entities to bill medicare on her behalf.
Entity NameMayo Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922074434
PECOS PAC ID: 6507778255
Enrollment ID: O20031103000285

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. Marion Mc Mahon 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
Marion Mc Mahon, MD
200 1st St Sw,
Rochester, MN 55905-0001

Ph: (507) 284-2511
Marion Mc Mahon, MD
200 1st St Sw,
Rochester, MN 55905-0001

Ph: (507) 284-2511

Reviews and Comments


Internal Medicine Doctors in Rochester, MN

Emily Leasure, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Jorge A Velosa, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Samuel Y. Han, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Michael Ruediger Mueller,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Mr. Karun Singh Badwal, D.O.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Michal Reid, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    
Mohammad Alhousani, MD
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 200 1st St Sw, Rochester, MN 55905
Phone: 507-284-2511    

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).

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