NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in Missouri

22 NPPES records list hematology (internal medicine) physician with a practice address in Missouri, 0.4 per 100,000 residents, the 21st highest rate of 48. Saint Louis and Springfield have the most; each record links to the provider's NPI and the Missouri license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Saint Louis has the most, 17

  1. Saint Louis17
  2. Springfield2
  3. Bridgeton1
  4. Columbia1
  5. Kansas City1

Hematology (Internal Medicine) Physician records in Missouri

  1. Amber Afzal, MDSaint Louis, MO 631081831539808
  2. Helen Ajufo, MDSaint Louis, MO 631101497282115
  3. Vorachart Auethavekiat, MDSaint Louis, MO 631101003872615
  4. Joseph Bennett, MDKansas City, MO 641161720548183
  5. Morey Blinder, MDSaint Louis, MO 631081215953526
  6. Paul Gill, M.D.Springfield, MO 658091780927459
  7. Shaun Hanson, MDSaint Louis, MO 631281831464130
  8. Scot Hickman, MDSaint Louis, MO 631101114976818
  9. Gregory Longmore, MDSaint Louis, MO 631101912924473
  10. Amir Mahmoud, MDSaint Louis, MO 631101619549078
  11. Elaine Majerus, MDSaint Louis, MO 631101326064544
  12. Stephen Oh, MDSaint Louis, MO 631081841494358
  13. William Patterson, MDColumbia, MO 652121578515078
  14. Katherine Ponder, MDSaint Louis, MO 631101689692493
  15. Sana Saif Ur Rehman, MDSaint Louis, MO 631081558665844
  16. Kristen Sanfilippo, MDSaint Louis, MO 631081528252483
  17. Joshua Siner, MDSaint Louis, MO 631101467944520
  18. Brian Smith, MDBridgeton, MO 630441598144917
  19. Douglas Tollefsen, MDSaint Louis, MO 631101679599815
  20. Karim Welaya, M.D.Springfield, MO 658071841600491
  21. Andrew Young, MDSaint Louis, MO 631081831683929
  22. Amy Zhou, MDSaint Louis, MO 631081831331990

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

Missouri ranks 21 of 48 per resident

  1. New Jersey0.4
  2. Illinois0.4
  3. Rhode Island0.4
  4. Missouri0.4
  5. Kansas0.3
  6. Tennessee0.3
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.3% of these records appear in a Medicare file, against 80.5% 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. Missouri77.3%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in Missouri, measured

  • In a Medicare file17 of 22 · 77.3% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file15 · 68.2% here, 70.8% nationally
  • Not updated in five years or more8 · 36.4% here, 46.9% nationally
  • Median graduation year2010 · the 15 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

22 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in Missouri: 0.4 per 100,000 residents against 0.4 nationally (50 states and D.C.). Saint Louis has 17 of them (77%).

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. Connecticut21
  2. Virginia21
  3. Tennessee24
  4. Wisconsin18

States with a similar rate per 100,000

  1. Kansas0.3
  2. Illinois0.4
  3. Utah0.3
  4. New Jersey0.4

The largest states

  1. California175
  2. New York161
  3. Minnesota128
  4. Massachusetts117
  5. Ohio89

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.