Doctor profile · Federal record
Dr. Christopher Rall, MD
Gastroenterology Physician (CMS: Gastroenterology) · Marshfield, WI
- NPI 1801904784
- Accepts Medicare
- MIPS 76.2 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 5, 2023
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Wisconsin #36622
- Medicaid
- WI #32122600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801904784. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
575
Distinct HCPCS
9
Medicare allowed
$52,908
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 210 | 196 | $5 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 80 | 79 | $57 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 75 | 75 | $236 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 68 | 68 | $132 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 49 | 44 | $131 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 36 | 36 | $169 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 24 | 24 | $171 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 21 | 21 | $92 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 12 | 12 | $172 |
In context: peer comparison
Among 2 peers in Marshfield Gastroenterology Physician, average services per provider: 45. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
231
Patients
93
Total drug cost
$150,108
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 118 | 52 | $2,176 |
| Pantoprazole Sodium | Generic | 36 | 20 | $872 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 21 | 21 | $687 |
| Ursodiol | Generic | 19 | 0 | $3,524 |
| Famotidine | Generic | 15 | 0 | $362 |
| Azathioprine | Generic | 11 | 0 | $531 |
| Humira(Cf) Pen (Adalimumab) | Brand | 11 | 0 | $141,956 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Rall's medical specialty?
Dr. Christopher Rall practices Gastroenterology Physician in Marshfield, WI.
Where does Dr. Christopher Rall practice?
Dr. Christopher Rall practices at 1000 N Oak Ave, Marshfield, WI 544495703. Office phone: 7153875511.
What is Dr. Christopher Rall's NPI?
Dr. Christopher Rall's National Provider Identifier (NPI) is 1801904784, issued by NPPES.
Does Dr. Christopher Rall accept Medicare assignment?
Yes. Dr. Christopher Rall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Rall commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.