Richard A. Geisman, M.D.
Gastroenterology Physician · Saint Peters, MO
Richard A. Geisman, M.D. is a gastroenterology physician with a practice address in Saint Peters, Missouri, and NPI 1265430516, issued on Jul 11, 2005. Check the license (Missouri R8E89, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Richard A. Geisman
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- R8E89 MO
Self-reported in NPPES; status is on the state search - Practice location
- 201 Bjc Saint Peters Dr, Saint Peters, MO 63376
- Phone
- (636) 916-8200
- Enumerated
- Jul 11, 2005
- Record last updated
- Dec 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (636) 947-4246
- Medicaid ID
- 202387114 MO
- Medicare enrollment
- Enrolled (PECOS I20100118000233); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1983
- Entity
- Type 1 · individual
Also registered at 201 Bjc Saint Peters Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Cusworth, MDGastroenterology Physician1255339560
- Jennifer Hunn, NPFamily Health Clinical Nurse Specialist1497101133
- Melinda McFadden, N.P.Family Nurse Practitioner1144656893
- Gary Meltz, MDInternal Medicine Physician1720086036
- Dianna Ohlman, NP-CFamily Nurse Practitioner1952560260
Verify Richard A. Geisman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R8E89Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
4,097 Medicare Part D claims for 1,247 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium1,416 claims
- Sod Sulf-Potass Sulf-Mag Sulf354 claims
- Dicyclomine Hcl328 claims
- Esomeprazole Magnesium224 claims
- Omeprazole194 claims
- Famotidine145 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: $251.60
7 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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 one group practice
- Ssm Medical Group IncSaint Charles, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Missouri
There are 414 gastroenterology physician records in Missouri.
Other gastroenterology physician records in Missouri
- Yazan Abdalla, M.D.Saint Louis, MO1033365358
- Ma'n Abdullah, MDColumbia, MO1598766891
- 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
- Zarir AhmedSaint Louis, MO1770937492
Common questions
What is Richard A. Geisman, M.D.'s NPI number?
Richard A. Geisman, M.D.'s National Provider Identifier (NPI) is 1265430516, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard A. Geisman, M.D. located?
The NPPES record lists a practice address at 201 Bjc Saint Peters Dr, Saint Peters, MO, 63376. Phone: (636) 916-8200. Providers update this record themselves, so call before visiting.
How can I verify Richard A. Geisman, M.D.'s license?
NPPES lists Missouri license number R8E89, as entered by the provider. 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 Richard A. Geisman, M.D. prescribe under Medicare Part D?
In 2024, Richard A. Geisman, M.D. had 4,097 Medicare Part D claims for 1,247 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.