Doctor profile · Federal record
Dr. Bret Spier, MD
Gastroenterology Physician (CMS: Gastroenterology) · Bloomington, IN
- NPI 1710935309
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
550 S Landmark Ave
Bloomington, IN 474033239
(812) 333-5973
fax (812) 330-3681 - Additional location
-
2900 16Th St
Bedford, IN 474213510
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- December 10, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Indiana #01067154A
- Medicaid
- IN #200977220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710935309. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,395
Distinct HCPCS
10
Medicare allowed
$146,824
| 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 | 364 | 355 | $5 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 274 | 273 | $231 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 216 | 208 | $75 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 58 | 56 | $121 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 57 | 57 | $88 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 57 | 56 | $95 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 37 | $82 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 44 | 44 | $156 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 34 | 33 | $119 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 26 | $72 |
In context: peer comparison
Among 3 peers in Bloomington Gastroenterology Physician, average services per provider: 65. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$5,281
Transactions
13
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 7 | $4,941.91 | |
| Medtronic, INC. | 1 | $138.83 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $124.42 | |
| Pfizer INC. | 2 | $36.50 | |
| Lilly USA, LLC | 1 | $25.40 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $13.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
317
Patients
61
Total drug cost
$287,300
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 47 | 17 | $731 |
| Pantoprazole Sodium | Generic | 45 | 12 | $436 |
| Dicyclomine Hcl | Generic | 27 | 0 | $538 |
| Fluconazole | Generic | 25 | 21 | $553 |
| Linzess (Linaclotide) | Brand | 25 | 0 | $14,242 |
| Esomeprazole Magnesium | Generic | 22 | 0 | $623 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 18 | 0 | $1,144 |
| Sofosbuvir-Velpatasvir (Sofosbuvir/Velpatasvir) | Brand | 17 | 0 | $147,309 |
| Ondansetron Odt (Ondansetron) | Brand | 15 | 11 | $677 |
| Colesevelam Hcl | Generic | 14 | 0 | $2,352 |
Hospital affiliations
Frequently asked questions
What is Dr. Bret Spier's medical specialty?
Dr. Bret Spier practices Gastroenterology Physician in Bloomington, IN.
Where does Dr. Bret Spier practice?
Dr. Bret Spier practices at 550 S Landmark Ave, Bloomington, IN 474033239. Office phone: 8123335973.
What is Dr. Bret Spier's NPI?
Dr. Bret Spier's National Provider Identifier (NPI) is 1710935309, issued by NPPES.
Does Dr. Bret Spier accept Medicare assignment?
Yes. Dr. Bret Spier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bret Spier 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); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.