Mark Stewart Kaiser, DO
Pediatrics Physician · Columbia, MO
Mark Stewart Kaiser, DO is a pediatrics physician with a practice address in Columbia, Missouri, and NPI 1144062050, issued on Jun 11, 2024. Check the license (Missouri 2024021433, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mark Stewart Kaiser
- Credential
- DO
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 2024021433 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Dr, Columbia, MO 65212
- Phone
- (573) 884-3001
- Enumerated
- Jun 11, 2024
- Record last updated
- Jun 11, 2024
- Fax
- (573) 884-9992
- Entity
- Type 1 · individual
Also registered at 1 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Stewart Kaiser 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 2024021433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average pediatrics physician in 2024
19 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
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.
121 pediatrics physician records list a practice address in Columbia
They are 121 of the 6,004 NPPES records with a practice address in Columbia, and 1,560 pediatrics physician records in Missouri.
All 121 in Columbia → All 1,560 in Missouri → Every provider in Columbia →
Other pediatrics physician records in Missouri
- Joanna Abaraoha, MDSt Louis, MO1487396537
- Sol Abarca Acevedo, M.D.Kansas City, MO1881482800
- Elaf AbdelmagidSaint Louis, MO1831077627
- Mohamed Aashiq Abdul Ghayum, M.D.Kansas City, MO1881211985
- Elizabeth Abraham, M.D.Saint Louis, MO1467654293
- Moh'd Rawhi Abu Hamad, MDSaint Louis, MO1639741218
- Kennison Adams, MDKansas City, MO1447000567
- Susan Adams, M.D.Saint Louis, MO1437112570
- William Adams, M.D.O Fallon, MO1841281193
- Tiffany Addington, MDKansas City, MO1518161439
Common questions
What is Mark Stewart Kaiser, DO's NPI number?
Mark Stewart Kaiser, DO's National Provider Identifier (NPI) is 1144062050, issued on Jun 11, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mark Stewart Kaiser, DO located?
The NPPES record lists a practice address at 1 Hospital Dr, Columbia, MO, 65212. Phone: (573) 884-3001. Providers update this record themselves, so call before visiting.
How can I verify Mark Stewart Kaiser, DO's license?
NPPES lists Missouri license number 2024021433, 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 Mark Stewart Kaiser, DO prescribe under Medicare Part D?
In 2024, Mark Stewart Kaiser, DO had 19 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.