Marc Bernstein, M.D.
Gastroenterology Physician · Saint Louis, MO
Marc Bernstein, M.D. is a gastroenterology physician with a practice address in Saint Louis, Missouri, and NPI 1336110543, issued on Jan 27, 2006. Check the license on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Marc Bernstein
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- Practice location
- 621 S New Ballas RD Ste 598A, Saint Louis, MO 63141
- Phone
- (314) 251-3380
- Enumerated
- Jan 27, 2006
- Entity
- Type 1 · individual
Also registered at 621 S New Ballas RD Ste 598A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sonal Doshi, ACNPAcute Care Nurse Practitioner1972844199
Verify Marc Bernstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
89% more Medicare Part D claims than the average gastroenterology physician in 2024
1,600 Medicare Part D claims for 470 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Gavilyte-C156 claims
- Carvedilol126 claims
- Omeprazole122 claims
- Pantoprazole Sodium117 claims
- Spironolactone117 claims
- Ursodiol102 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.
2 hospital and facility affiliations
- Mercy Clinic Gastroenterology LLCTroy, MO
- Mercy Hospitals East CommunitiesSt Louis, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in Missouri
There are 325 gastroenterology physician records in Missouri.
Other gastroenterology physician records in Missouri
- Kelsey Able, DOKansas City, MO1376806588
- Barry Abramson, M.D.Saint Louis, MO1922025980
- Tarek Abu-Rajab Tamimi, M.D.Kansas City, MO1689840282
- Ayooluwatomiwa Adekunle, MDO Fallon, MO1619593779
- Aireen-Ronalda Agulto, MDSaint Louis, MO1447771191
- Khulood Ahmed, M.D.Columbia, MO1588827893
- Mohamed Ahmed, MDKansas City, MO1194353425
- Siddique Akram, MDSaint Louis, MO1457989071
- Ghadah Al Ismail, MDSaint Louis, MO1326353855
- Alhareth Al Juboori, M.D.Columbia, MO1225370828
Common questions
What is Marc Bernstein, M.D.'s NPI number?
Marc Bernstein, M.D.'s National Provider Identifier (NPI) is 1336110543, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Bernstein, M.D. located?
The NPPES record lists a practice address at 621 S New Ballas RD Ste 598A, Saint Louis, MO, 63141. Phone: (314) 251-3380. Providers update this record themselves, so call before visiting.
How can I verify Marc Bernstein, M.D.'s license?
Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Bernstein, M.D. prescribe under Medicare Part D?
In 2024, Marc Bernstein, M.D. had 1,600 Medicare Part D claims for 470 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.