Gregory Mumm, MD

Internal Medicine · Rheumatology

20+ years in practiceNPI: 1548228810Licensed in WILicensed in SD

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Credentials & Recognition

Specialties

Internal MedicineRheumatology

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Rheumatology207RR0500X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#16

Top Rheumatologists in South Dakota, 2026

Rheumatology · South Dakota · 2026

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Frequently Asked Questions about Dr. Gregory Mumm, MD

Where does Dr. Gregory Mumm, MD practice?+
Dr. Gregory Mumm, MD practices in South Dakota, SD. 6100 S LOUISE AVE STE 1130 SIOUX FALLS, SD 571086021.
What is Dr. Gregory Mumm, MD's phone number?+
Dr. Gregory Mumm, MD's practice phone is 605-504-1600. Office contact information is verified on the PBCMMG profile.
What does Dr. Gregory Mumm, MD specialize in?+
Dr. Gregory Mumm, MD's primary specialty is Internal Medicine, with additional focus on Rheumatology.
Is Dr. Gregory Mumm, MD board certified?+
Board certification status for Dr. Gregory Mumm, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Gregory Mumm, MD been practicing?+
Dr. Gregory Mumm, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Gregory Mumm, MD's NPI number?+
Dr. Gregory Mumm, MD's National Provider Identifier (NPI) is 1548228810, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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