Physician Profile
Unclaimed ProfileAbout RIEB
Based in Billings, MT, Nathaniel Rieb, M.D. is listed in the NPI registry under general surgery. Nathaniel graduated from University of Washington School of Medicine in 2005. Nathaniel is also listed as specializing in surgery. According to Medicare claims data, Nathaniel cared for 106 Medicare patients across 106 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
Common questions
What does Dr. Rieb specialize in?
Dr. Rieb is a general surgeon in Billings, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where is Dr. Rieb located?
Dr. Rieb is listed at 801 N 29TH ST, Billings, MT 59101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Rieb's phone number?
The number on file is (406) 238-2500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Rieb's NPI number?
Dr. Rieb's National Provider Identifier is 1508068834. 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
Where did Dr. Rieb go to medical school?
Dr. Rieb attended University of Washington School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Rieb been practicing?
Dr. Rieb has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Rieb do most often?
According to Medicare billing data, Dr. Rieb performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare and diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Rieb confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rieb. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (406) 238-2500
- Email not available
Practice Locations
801 N 29TH ST
Billings, MT 59101
Procedures Most Often Billed to Medicare
106 services · 106 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
38 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
13 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
18 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
13 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other general surgeons in Billings 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at University of Washington School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in MT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.