Doctor profile · Federal record
Dr. Thomas Rupp, MD
Gastroenterology Physician (CMS: Gastroenterology) · Grand Rapids, MI
- NPI 1477593473
- Accepts Medicare
- MIPS 93.8 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4100 Lake Dr Se, S-205
Grand Rapids, MI 495468292
(616) 774-2414 - Mailing address
-
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 23, 2021
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Michigan #4301053001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477593473. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
477
Distinct HCPCS
10
Medicare allowed
$45,847
| 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 | 160 | 147 | $5 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 69 | 65 | $82 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 45 | 45 | $247 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 34 | 34 | $148 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 33 | 33 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 27 | $121 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 24 | 24 | $180 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 21 | 19 | $139 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 14 | 14 | $247 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 13 | $87 |
In context: peer comparison
Among 14 peers in Grand Rapids Gastroenterology Physician, average services per provider: 33. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$52
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Olympus America INC. | 2 | $37.98 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $13.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,363
Patients
661
Total drug cost
$368,593
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 381 | 144 | $8,376 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 332 | 328 | $9,782 |
| Omeprazole | Generic | 275 | 104 | $5,947 |
| Azathioprine | Generic | 65 | 17 | $7,400 |
| Balsalazide Disodium | Generic | 37 | 0 | $9,160 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 31 | 0 | $4,539 |
| Mesalamine Dr (Mesalamine) | Brand | 31 | 0 | $23,265 |
| Lansoprazole | Generic | 30 | 11 | $1,501 |
| Mesalamine | Generic | 28 | 0 | $26,466 |
| Famotidine | Generic | 27 | 13 | $535 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Rupp's medical specialty?
Dr. Thomas Rupp practices Gastroenterology Physician in Grand Rapids, MI.
Where does Dr. Thomas Rupp practice?
Dr. Thomas Rupp practices at 4100 Lake Dr Se, Grand Rapids, MI 495468292. Office phone: 6167742414.
What is Dr. Thomas Rupp's NPI?
Dr. Thomas Rupp's National Provider Identifier (NPI) is 1477593473, issued by NPPES.
Does Dr. Thomas Rupp accept Medicare assignment?
Yes. Dr. Thomas Rupp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Rupp 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.