John M. Richart, MD
Hematology & Oncology Physician · St Louis, MO
John M. Richart, MD is a hematology & oncology physician with a practice address in St Louis, Missouri, and NPI 1659480242, issued on Aug 29, 2006. Check the license (Missouri 103575, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- John M. Richart
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 103575 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3660 Vista, St Louis, MO 63110
- Phone
- (314) 577-8854
- Enumerated
- Aug 29, 2006
- Record last updated
- Jan 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 773-1167
- Medicare enrollment
- Enrolled (PECOS I20100123000136); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 237 in Missouri → Look up another NPI →
Also registered at 3660 Vista
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John M. Richart 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 103575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
810 Medicare Part D claims for 82 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 106 claims were for opioids.
Most prescribed
- Valacyclovir44 claims
- Sulfamethoxazole-Trimethoprim36 claims
- Morphine Sulfate Er35 claims
- Oxycodone Hcl32 claims
- Venclexta30 claims
- Ondansetron Hcl28 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 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
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Richart among 237 hematology & oncology physician records in Missouri
John M. Richart, MD is one of 237 hematology & oncology physician records with a practice address in Missouri. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1993 · median 2003 among the 168 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Missouri
There are 237 hematology & oncology physician records in Missouri.
All 237 in Missouri → Every provider in St Louis → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mark Fesler, MDSaint Louis, MO 631101235204066
- Thomas Fong, M.D.Saint Louis, MO 631101790812642
- Sagun Goyal, M.D.St Louis, MO 631101316032741
- Barbra Horn, M.D.Saint Louis, MO 631101295738961
- Bassel Jallad, MBBSSaint Louis, MO 631101124282306
- Gerald Linette, MDSaint Louis, MO 631101114943420
- Mudresh Mehta, MDSaint Louis, MO 631101982932083
- Steven Pincus, MDSaint Louis, MO 631101063420933
Common questions
What is John M. Richart, MD's NPI number?
John M. Richart, MD's National Provider Identifier (NPI) is 1659480242, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Richart, MD located?
The NPPES record lists a practice address at 3660 Vista, St Louis, MO, 63110. Phone: (314) 577-8854. Providers update this record themselves, so call before visiting.
How can I verify John M. Richart, MD's license?
NPPES lists Missouri license number 103575, 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 John M. Richart, MD prescribe under Medicare Part D?
In 2024, John M. Richart, MD had 810 Medicare Part D claims for 82 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is John M. Richart, MD's MIPS final score?
The 2023 MIPS final score is 81.6 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.