Charles Michael Samson, MD
Pediatric Gastroenterology Physician · Saint Louis, MO
Charles Michael Samson, MD is a pediatric gastroenterology physician with a practice address in Saint Louis, Missouri, and NPI 1194932301, issued on May 17, 2007. Check the license (Missouri 2011019875, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Charles Michael Samson
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 2011019875 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 454-6173
- Enumerated
- May 17, 2007
- Record last updated
- Apr 17, 2025
- Fax
- (844) 231-8912
- Medicaid ID
- 204405104 MO
- Medicare enrollment
- Enrolled (PECOS I20110801000715); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 75 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelbaki, MDPediatric Hematology & Oncology Physician1508021361
- Christi Abeln, PNPPediatric Nurse Practitioner1023034253
- Loren Abernathy, PNPPediatric Nurse Practitioner1215583117
- Freddy-May Abisamra, CGCGenetic Counselor (M.S.)1306538111
- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify Charles Michael Samson 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 2011019875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Michael Samson among 75 pediatric gastroenterology physician records in Missouri
Charles Michael Samson, MD is one of 75 pediatric gastroenterology physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 31% of them.
- NPI issued2007 · 31% of these records are older, 57% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated2003 · median 2011 among the 28 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Missouri
There are 75 pediatric gastroenterology physician records in Missouri.
All 75 in Missouri → Every provider in Saint Louis → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Christina Hickey, MDSaint Louis, MO 631101528296324
- Lori Holtz, MDSaint Louis, MO 631101346415700
- Shannon Joerger, MDSaint Louis, MO 631101538338215
- Mark Lowe, MDSaint Louis, MO 631101033187968
- Meryl Perlman, MDSaint Louis, MO 631101790767846
- David Perlmutter, MDSaint Louis, MO 631101568437721
- David Rudnick, MDSaint Louis, MO 631101467479915
- Ross Shepherd, MDSaint Louis, MO 631101215954771
Common questions
What is Charles Michael Samson, MD's NPI number?
Charles Michael Samson, MD's National Provider Identifier (NPI) is 1194932301, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles Michael Samson, MD located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 454-6173. Providers update this record themselves, so call before visiting.
How can I verify Charles Michael Samson, MD's license?
NPPES lists Missouri license number 2011019875, 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.
What is Charles Michael Samson, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.