Thomas Michael Cassimatis, MD
Student in an Organized Health Care Education/Training Program · Richmond Heights, MO
Thomas Michael Cassimatis, MD is a student in an organized health care education/training program with a practice address in Richmond Heights, Missouri, and NPI 1770337305, issued on Apr 11, 2024. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Michael Cassimatis
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 6420 Clayton RD, Richmond Heights, MO 63117
- Phone
- (314) 768-8000
- Enumerated
- Apr 11, 2024
- Record last updated
- Jun 3, 2024
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 3,622 in Missouri → Look up another NPI →
Also registered at 6420 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Agusti, RD/LDRegistered Dietitian1508464801
- Tyler Barnes, PHARM.D.Pharmacist1770883142
- Lauren Bates, PA-CPhysician Assistant1730496001
- Dylan Batty, PHARM DPharmacist1619825791
- Linda Bick, M.D.Emergency Medicine Physician1699717728
- Rebecca Boedeker, RNLactation Consultant (Registered Nurse)1477103182
Verify Thomas Michael Cassimatis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
104 Medicare Part D claims for 28 beneficiaries, against an average of 185 among the 59,748 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.
Thomas Michael Cassimatis among 3,622 student in an organized health care education/training program records in Missouri
Thomas Michael Cassimatis, MD is one of 3,622 student in an organized health care education/training program records with a practice address in Missouri. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 36% of them.
- NPI issued2024 · 36% of these records are older, 48% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2024 · 13% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 student in an organized health care education/training program records list a practice address in Richmond Heights
They are 14 of the 260 NPPES records with a practice address in Richmond Heights, and 3,622 student in an organized health care education/training program records in Missouri.
All 3,622 in Missouri → Every provider in Richmond Heights → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Hussein AlaawadSt Louis, MO 631171700579729
- Shalini Bongu, M.D.St Louis, MO 631171720498629
- Lynn Bui, DOSaint Louis, MO 631171518621952
- Matthew DreyerSaint Louis, MO 631171902427792
- William Franco, MDSaint Louis, MO 631171073205654
- Raneem Issawi, MDSaint Louis, MO 631171083316657
- Ayooluwa Kerrigan, DORichmond Heights, MO 631171356090211
- Jessica LawtonRichmond Heights, MO 631171679222970
Common questions
What is Thomas Michael Cassimatis, MD's NPI number?
Thomas Michael Cassimatis, MD's National Provider Identifier (NPI) is 1770337305, issued on Apr 11, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Michael Cassimatis, MD located?
The NPPES record lists a practice address at 6420 Clayton RD, Richmond Heights, MO, 63117. Phone: (314) 768-8000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Michael Cassimatis, MD's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Michael Cassimatis, MD prescribe under Medicare Part D?
In 2024, Thomas Michael Cassimatis, MD had 104 Medicare Part D claims for 28 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.