Gregory Eric Mumm, MD - Medicare Rheumatology in Sioux Falls, SD

Gregory Eric Mumm, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Sioux Falls, South Dakota. He went to University Of North Dakota School Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Avera Mckennan and his current practice location is 6100 S Louise Ave Ste 1130, Sioux Falls, South Dakota. You can reach out to his office (for appointments etc.) via phone at (605) 504-1600.

Gregory Eric Mumm is licensed to practice in South Dakota (license number 7481) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1548228810.

Contact Information

Gregory Eric Mumm, MD
6100 S Louise Ave Ste 1130,
Sioux Falls, SD 57108-6021
(605) 504-1600
Not Available

Map and Direction




Physician's Profile

Full NameGregory Eric Mumm
GenderMale
SpecialityRheumatology
Experience20 Years
Location6100 S Louise Ave Ste 1130, Sioux Falls, South Dakota
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory Eric Mumm attended and graduated from University Of North Dakota School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1548228810
  • Provider Enumeration Date: 05/03/2006
  • Last Update Date: 10/31/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 0840344859
  • Enrollment ID: I20090810000624

Medical Identifiers

Medical identifiers for Gregory Eric Mumm such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548228810NPI-NPPES
6632220MedicaidSD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 48817 (Wisconsin)Secondary
207RR0500XInternal Medicine - Rheumatology 7481 (South Dakota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Avera Mckennan Hospital & University Health CenterSioux falls, SDHospital
Milbank Area Hospital/avera HealthMilbank, SDHospital
Avera Holy Family HospitalEstherville, IAHospital
Lakes Regional HealthcareSpirit lake, IAHospital
Avera Marshall Regional Medical CtrMarshall, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Avera Mckennan0345157103833

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. Gregory Eric Mumm allows following entities to bill medicare on his behalf.
Entity NameAvera Mckennan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003389206
PECOS PAC ID: 0345157103
Enrollment ID: O20031110000117

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. Gregory Eric Mumm 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
Gregory Eric Mumm, MD
Po Box 86370,
Sioux Falls, SD 57118-6370

Ph: (605) 322-7510
Gregory Eric Mumm, MD
6100 S Louise Ave Ste 1130,
Sioux Falls, SD 57108-6021

Ph: (605) 504-1600

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.

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