Internal Medicine, Rheumatology
GREGORY MUMM M.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1548228810 · enumerated 2006-05-03 · record updated 2019-10-31. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 6100 S LOUISE AVE STE 1130, SIOUX FALLS, SD, 57108-6021 (605) 504-1600 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 86370, SIOUX FALLS, SD, 57118-6370 (605) 322-7510 Fax (605) 322-6475 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 48817 WI
- Internal Medicine, Rheumatology 207RR0500X · Primary · License 7481 SD
In this directory
SD Lincoln County Sioux Falls Internal Medicine, Rheumatology
Locations and evidence
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Practice location
SIOUX FALLS, SD, 571086021
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.