Bret Jason Spier, MD
Gastroenterology Physician · Bloomington, IN
Bret Jason Spier, MD is a gastroenterology physician with a practice address in Bloomington, Indiana, and NPI 1710935309, issued on May 5, 2006. Check the license (Indiana 01067154A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Bret Jason Spier
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 01067154A IN
Self-reported in NPPES; status is on the state search - Practice location
- 550 S Landmark Ave, Bloomington, IN 47403
- Phone
- (812) 333-5973
- Enumerated
- May 5, 2006
- Record last updated
- Dec 10, 2025
- Fax
- (812) 330-3681
- Medicaid ID
- 200977220 IN
- Medicare enrollment
- Enrolled (PECOS I20100623000813); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 550 S Landmark Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Yaser Abu El-Sameed, M.D.Pulmonary Disease Physician1104950542
- Laurel Adams, PA-CPhysician Assistant1881781318
- Nidal Al-Hosainat, MDNephrology Physician1700362670
- Louise Alpert, MDCardiovascular Disease Physician1275538084
- Elizabeth Anderson, NPNurse Practitioner1689868770
Verify Bret Jason Spier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01067154ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
516 Medicare Part D claims for 175 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Omeprazole57 claims
- Pantoprazole Sodium48 claims
- Esomeprazole Magnesium28 claims
- Ondansetron Odt25 claims
- Cholestyramine19 claims
- Dicyclomine Hcl17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,280.82
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Indiana University Health Southern Indiana Physicians LLCBloomington, IN
- IU Health Medical Group LLCBedford, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bret Jason Spier among 372 gastroenterology physician records in Indiana
Bret Jason Spier, MD is one of 372 gastroenterology physician records with a practice address in Indiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2003 · median 2001 among the 272 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Indiana
There are 372 gastroenterology physician records in Indiana.
All 372 in Indiana → Every provider in Bloomington → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jitender Bhandari, MDBloomington, IN 474031558366468
- Prodyot Ghosh, M.D.Bloomington, IN 474031780689257
- Tiberiu Moga, MDBloomington, IN 474031225491673
- Amar Pinto, MDBloomington, IN 474031255395794
- Daniel Selo, MDBloomington, IN 474031851562532
- Thanita Thongtan, MDBloomington, IN 474031558926071
- James Touloukian, M.D.Bloomington, IN 474031295730067
- Richard Weddle, MDBloomington, IN 474031356327829
Common questions
What is Bret Jason Spier, MD's NPI number?
Bret Jason Spier, MD's National Provider Identifier (NPI) is 1710935309, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bret Jason Spier, MD located?
The NPPES record lists a practice address at 550 S Landmark Ave, Bloomington, IN, 47403. Phone: (812) 333-5973. Providers update this record themselves, so call before visiting.
How can I verify Bret Jason Spier, MD's license?
NPPES lists Indiana license number 01067154A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bret Jason Spier, MD prescribe under Medicare Part D?
In 2024, Bret Jason Spier, MD had 516 Medicare Part D claims for 175 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.