NPPES file of Aug 9, 2026

Gastroenterology Physician in Missouri

414 NPPES records list gastroenterology physician with a practice address in Missouri, 6.7 per 100,000 residents, the 14th highest rate of 51. Saint Louis and Kansas City have the most; each record links to the provider's NPI and the Missouri license search. Page 9 of 9.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0100X · method

Saint Louis has the most, 156

Gastroenterology Physician records in Missouri

  1. Michael Williams, MDColumbia, MO 652011750334470
  2. Jessica Winn, M.D.Moberly, MO 652701023270170
  3. Bruce Witte, M.D.Chesterfield, MO 630171174593578
  4. Tariku Woldey, MDKansas City, MO 641081790124543
  5. Michele Woodley, MDSaint Louis, MO 631311063404598
  6. Michael Wooten, MDSpringfield, MO 658041235274796
  7. Xujun Wu, MDJoplin, MO 648041235117425
  8. Osama Yousef, MDKansas City, MO 641081699702647
  9. Sajid Zafar, M.D.Chesterfield, MO 630171538274428
  10. Chase Zeilenga, DOLees Summit, MO 640861184280398
  11. Michael Zerega, MDLake St Louis, MO 633671073505178
  12. Kimberly Zibert, D.O.North Kansas City, MO 641161023300274
  13. Saad Zinad, M.DFestus, MO 630281336582972
  14. Kaveh Zivari, MDSaint Louis, MO 631101740585249

Source: CMS NPPES, primary taxonomy 207RG0100X: records by practice city and the list of records, file of Aug 9, 2026.

Missouri ranks 14 of 51 per resident

  1. Illinois7.1
  2. Washington6.8
  3. Florida6.7
  4. Missouri6.7
  5. Oregon6.6
  6. Ohio6.3
  7. 50 states and D.C.6.2

Source: CMS NPPES, primary taxonomy 207RG0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.8% of these records appear in a Medicare file, against 84.4% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Missouri83.8%
  2. United States84.4%

Gastroenterology Physician records in Missouri, measured

  • In a Medicare file347 of 414 · 83.8% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file304 · 73.4% here, 73.7% nationally
  • Not updated in five years or more196 · 47.3% here, 55.6% nationally
  • Median graduation year2003 · the 303 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

414 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in Missouri: 6.7 per 100,000 residents against 6.2 nationally (50 states and D.C.). Saint Louis has 156 of them (38%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Arizona403
  2. Tennessee384
  3. Indiana372
  4. Minnesota457

States with a similar rate per 100,000

  1. Florida6.7
  2. Oregon6.6
  3. Washington6.8
  4. Puerto Rico6.3

The largest states

  1. California2,140
  2. New York1,797
  3. Florida1,513
  4. Texas1,478
  5. Pennsylvania1,049

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.