Dr. Gregory E. Mumm
- Gender: Male
- Experience: 17 years
- Graduated from: University Of North Dakota School Of Medicine
- Graduation year: 2004
- Sole propriator: No
- NPI: 1548228810
Dr. Gregory E. Mumm M.D.
Rheumatologist
He is located at 6100 South Louise Avenue Suite 1130 in Sioux Falls, SD 57108. Can help patients with the following: Asthma, Chronic Obstructive Pulmonary Disease (COPD), Erythema Nodosum, Migraine, Osteoarthritis (OA), Polymyositis (PM). His National Provider Identifier (NPI) number is 1548228810. Appointment can be made via the phone number (605) 504-1600. He is affiliated with 2 practices and 5 hospitals.
Conditions treated
Dr. Gregory Eric Mumm, being an rheumatologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory E. Mumm.
- Abdominal Pain
- Acute Pain
- Amyloidosis
- Anemia
- Ankylosing Spondylitis
- Antiphospholipid Syndrome (APS)
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Bone Loss
- Bursitis
- Chest Pain
- Cholecystitis
- Chronic Fatigue Syndrome (CFS)
- Chronic Obstructive Pulmonary Disease (COPD)
- Claudication
- Collagen Vascular Disease (CVD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Erythema Nodosum
- Fever
- Fibromyalgia
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Gout
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hypermobility Syndrome
- Hyponatremia
- Influenza
- Inguinal Hernia
- Low Back Pain
- Lupus
- Migraine
- Muscle Pain
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Patellofemoral Pain Syndrome (PFS)
- Peptic Ulcer
- Polymyalgia Rheumatica (PMR)
- Polymyositis (PM)
- Porphyria
- Prescription Refill
- Psoriatic Arthritis
- Raynaud's Phenomenon
- Reactive Arthritis
- Rheumatoid Arthritis (RA)
- Sacroiliac Joint Pain
- Sarcoidosis
- Scleroderma
- Sjogren's Syndrome
- Spondylolysis
- Tendinitis
- Urethritis
- Urinary Tract Infection (UTI)
- Vasculitis
- Weber-Christian Disease
Procedures Performed by Dr. Gregory E. Mumm
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory E. Mumm as in-network for the following 2026 plans.
Health plans
Avera Health Plans
Network data as of Jan 23, 2026, as reported by the insurer.
Show all 23 plans from Avera Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| ConnectPlus $0 Gold (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus $0 Silver (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus $10,600 HSA Eligible HDHP (2 plan variants) | PPO · Catastrophic | Commercial | Accepting new patients |
| ConnectPlus $1800 (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus $4500 (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus $6500 HSA Eligible HDHP (2 plan variants) | PPO · Expanded Bronze | Commercial | Accepting new patients |
| ConnectPlus $7500 HSA Eligible HDHP (2 plan variants) | PPO · Expanded Bronze | Commercial | Accepting new patients |
| ConnectPlus MyWeighForward $2000 (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus MyWeighForward $6000 (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus Standard $2000 (2 plan variants) | PPO · Gold | Commercial | Accepting new patients |
| ConnectPlus Standard $6000 (2 plan variants) | PPO · Silver | Commercial | Accepting new patients |
| ConnectPlus Standard $7500 HSA Eligible HDHP (2 plan variants) | PPO · Expanded Bronze | Commercial | Accepting new patients |
| DirectConnect $0 Gold | HMO · Gold | Direct | Accepting new patients |
| DirectConnect $0 Silver | HMO · Silver | Direct | Accepting new patients |
| DirectConnect $1800 | HMO · Gold | Direct | Accepting new patients |
| DirectConnect $4500 | HMO · Silver | Direct | Accepting new patients |
| DirectConnect $6500 HSA Eligible HDHP | HMO · Expanded Bronze | Direct | Accepting new patients |
| DirectConnect $7500 HSA Eligible HDHP | HMO · Expanded Bronze | Direct | Accepting new patients |
| DirectConnect MyWeighForward $2000 | HMO · Gold | Direct | Accepting new patients |
| DirectConnect MyWeighForward $6000 | HMO · Silver | Direct | Accepting new patients |
| DirectConnect Standard $2000 | HMO · Gold | Direct | Accepting new patients |
| DirectConnect Standard $6000 | HMO · Silver | Direct | Accepting new patients |
| DirectConnect Standard $7500 HSA Eligible HDHP | HMO · Expanded Bronze | Direct | Accepting new patients |
Wellmark of South Dakota, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 7 plans from Wellmark of South Dakota, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP EPO HSA Qualified (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Bronze Traditional EPO (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Gold Traditional EPO (2 plan variants) | EPO · Gold | Bluerx Essentials | Accepting new patients |
| Wellmark Silver Traditional EPO (2 plan variants) | EPO · Silver | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Bronze EPO (2 plan variants) | EPO · Expanded Bronze | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Gold EPO (2 plan variants) | EPO · Gold | Bluerx Essentials | Accepting new patients |
| Wellmark Standard Silver EPO (2 plan variants) | EPO · Silver | Bluerx Essentials | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Gregory E. Mumm is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Gregory E. Mumm is enrolled to bill Medicare as a Practitioner - Rheumatology (also registered under: Practitioner - Internal Medicine) .
Bills through: Avera Mckennan
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Amgen | $74 |
| Novartis | $23 |
Other
| Food and Beverage | $99 |
Studies
UNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated in 2004Additional Specialities
- Internist
Affiliated hospitals
Looking for more Rheumatologists?
Here are rheumatologists in South Dakota you may want to explore.
- Gender: Male
- Address: 2820 Mount Rushmore Road Rapid City, 57701, SD
- Gender: Female
- Address: 6100 South Louise Avenue Suite 1130 Sioux Falls, 57108, SD
- Gender: Female
- Address: Suite 1130 6100 South Louise Avenue Sioux Falls, 57108, SD
- Gender: Male
- Address: 640 Flormann Street Rapid City, 57701, SD
- Gender: Male
- Address: 6100 South Louise Avenue Suite 1130 Sioux Falls, 57108, SD
- Gender: Female
- Address: Suite 1130 6100 South Louise Avenue Sioux Falls, 57108, SD
- Gender: Female
- Address: 640 Flormann Street Rapid City, 57701, SD
- Gender: Male
- Address: 1321 West 22nd Street Sioux Falls, 57105, SD
- Gender: Male
- Address: 1321 West 22nd Street Sioux Falls, 57105, SD
- Gender: Female
- Address: 575 North Sioux Point Road Dakota Dunes, 57049, SD
Questions & Answers
Does Dr. Gregory Eric Mumm have affiliation with practices?
Dr. Gregory Eric Mumm is affiliated with Avera Medical Group Spencer. For the full list of practices see this list.
Does Dr. Gregory Eric Mumm accept patients with Wellmark of South Dakota, Inc.?
Yes, Dr. Gregory Eric Mumm is listed in-network for Wellmark of South Dakota, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Gregory Eric Mumm treat?
Dr. Gregory Eric Mumm provides treatment for Asthma, Chronic Obstructive Pulmonary Disease (COPD), Erythema Nodosum, Migraine, Osteoarthritis (OA), Polymyositis (PM). For the full list see this list.
Has Dr. Gregory Eric Mumm affiliation with hospitals?
Dr. Gregory Eric Mumm is affiliated with AVERA QUEEN OF PEACE. For the full list of hospitals see this list.
Where can you meet with Dr. Gregory Eric Mumm?
Dr. Gregory Eric Mumm's office is located at 6100 South Louise Avenue Suite 1130 in Sioux Falls, SD 57108.