Mark Andrew Gromski, MD
Gastroenterology Physician · Indianapolis, IN
Mark Andrew Gromski, MD is a gastroenterology physician with a practice address in Indianapolis, Indiana, and NPI 1255625679, issued on Jun 2, 2011. Check the license (Indiana 01073629A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Gromski
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 01073629A IN
248129 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Phone
- (888) 484-3258
- Enumerated
- Jun 2, 2011
- Record last updated
- Mar 12, 2025
- Medicaid ID
- 300004305 IN
- Medicare enrollment
- Enrolled (PECOS I20170608000919); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 1701 N Senate Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Acciani, M.D.Emergency Medicine Physician1235333998
- Yonas Adal, MDAnesthesiology Physician1487815395
- David Adams, M.D.Anesthesiology Physician1588608152
Verify Mark Andrew Gromski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01073629ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average gastroenterology physician in 2024
158 Medicare Part D claims for 79 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.
Most prescribed
- Pantoprazole Sodium29 claims
- Omeprazole23 claims
- Amoxicillin-Clavulanate Potass22 claims
- Dicyclomine Hcl19 claims
- Ciprofloxacin Hcl14 claims
- Creon12 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: $39,559.80
43 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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).
Mark Andrew Gromski among 372 gastroenterology physician records in Indiana
Mark Andrew Gromski, 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 2011, is newer than 77% of them.
- NPI issued2011 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2011 · 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 Mark Andrew Gromski, MD's NPI number?
Mark Andrew Gromski, MD's National Provider Identifier (NPI) is 1255625679, issued on Jun 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Gromski, MD located?
The NPPES record lists a practice address at 1701 N Senate Blvd, Indianapolis, IN, 46202. Phone: (888) 484-3258. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Gromski, MD's license?
NPPES lists Indiana license number 01073629A, 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 Mark Andrew Gromski, MD prescribe under Medicare Part D?
In 2024, Mark Andrew Gromski, MD had 158 Medicare Part D claims for 79 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.