Physician Profile
Unclaimed ProfileAbout MUMM
Based in Sioux Falls, SD, Gregory Eric Mumm, M.D. is listed in the NPI registry under rheumatology. Gregory graduated from University of North Dakota School of Medicine in 2004. Gregory is also listed as specializing in internal medicine. According to Medicare claims data, Gregory cared for 1,039 Medicare patients across 1,382 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (605) 504-1600
- Email not available
Practice Locations
6100 S LOUISE AVE STE 1130
Sioux Falls, SD 57108
Procedures Most Often Billed to Medicare
1,382 services · 1,039 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
60 |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
34 |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
551 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
474 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
104 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
63 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
40 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
18 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other rheumatology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 groups
Other rheumatology specialists in Sioux Falls 6
Same specialty, same city.
Trained at University of North Dakota School of Medicine 3
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of North Dakota School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in SD who bill this service to Medicare most often.
Common questions
What is Dr. Mumm's specialty?
Dr. Mumm is a rheumatology in Sioux Falls, SD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where can I find Dr. Mumm?
Dr. Mumm is listed at 6100 S LOUISE AVE STE 1130, Sioux Falls, SD 57108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mumm?
The number on file is (605) 504-1600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mumm's NPI number?
Dr. Mumm's National Provider Identifier is 1548228810. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Mumm's medical education?
Dr. Mumm attended University of North Dakota School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mumm been practicing?
Dr. Mumm has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mumm known for?
According to Medicare billing data, Dr. Mumm performs procedures including aspiration and/or injection of fluid from large joint, aspiration and/or injection of fluid from small joint and aspiration and/or injection of fluid from medium joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mumm confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mumm. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.