Craig S. Lammert, MD
Gastroenterology Physician · Indianapolis, IN
Craig S. Lammert, MD is a gastroenterology physician with a practice address in Indianapolis, Indiana, and NPI 1356527733, issued on Jan 15, 2008. Check the license (Indiana 01073479A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Craig S. Lammert
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 01073479A IN
002875 GA
104934 MN
53384 MN
Self-reported in NPPES; status is on the state search - Practice location
- 550 University Blvd, Indianapolis, IN 46202
- Phone
- (317) 944-5000
- Enumerated
- Jan 15, 2008
- Record last updated
- Mar 13, 2025
- Medicaid IDs
- ENROLLED MN
201208270 IN - Medicare enrollment
- Enrolled (PECOS I20140221001314); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 550 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Furqan Ahmed, M.D.Gastroenterology Physician1538100300
- Jessica Ahonen, NPFamily Nurse Practitioner1659956951
- Omer Al-Buoshkor, MDInternal Medicine Physician1144586934
- Mohammad Al-Haddad, MDGastroenterology Physician1275516239
- Shelby Allen, M.D.Surgery Physician1013397405
- Michael Allison, DDSDentist1124961982
Verify Craig S. Lammert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01073479ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average gastroenterology physician in 2024
800 Medicare Part D claims for 139 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Ursodiol109 claims
- Mycophenolate Mofetil88 claims
- Azathioprine67 claims
- Spironolactone64 claims
- Xifaxan62 claims
- Lactulose47 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: $6,750.00
7 payments; by number, the most common kind was consulting fee; the largest payer was Eli Lilly and Company. 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 one group practice
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Craig S. Lammert among 372 gastroenterology physician records in Indiana
Craig S. Lammert, 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 2008, is newer than 64% of them.
- NPI issued2008 · 64% of these records are older, 30% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2007 · 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 Indianapolis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mohammad Al-Haddad, MDIndianapolis, IN 462021275516239
- Naga Chalasani, MDIndianapolis, IN 462021588628002
- David Crabb, M.D.Indianapolis, IN 462021649234600
- John Dewitt, M.D.Indianapolis, IN 462021346204401
- Evan Fogel, M.D.Indianapolis, IN 462021164486684
- Marwan Ghabril, M.D.Indianapolis, IN 462021366431231
- Debra Helper, M.D.Indianapolis, IN 462021093779589
- Thomas Imperiale, M.D.Indianapolis, IN 462021427012582
Common questions
What is Craig S. Lammert, MD's NPI number?
Craig S. Lammert, MD's National Provider Identifier (NPI) is 1356527733, issued on Jan 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Craig S. Lammert, MD located?
The NPPES record lists a practice address at 550 University Blvd, Indianapolis, IN, 46202. Phone: (317) 944-5000. Providers update this record themselves, so call before visiting.
How can I verify Craig S. Lammert, MD's license?
NPPES lists Indiana license number 01073479A, 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 Craig S. Lammert, MD prescribe under Medicare Part D?
In 2024, Craig S. Lammert, MD had 800 Medicare Part D claims for 139 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.