Michael Boswell Diffley
Student in an Organized Health Care Education/Training Program · Saint Louis, MO
Michael Boswell Diffley is a student in an organized health care education/training program with a practice address in Saint Louis, Missouri, and NPI 1871097998, issued on Mar 22, 2018. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Boswell Diffley
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 1402 S Grand Blvd # M260, Saint Louis, MO 63104
- Phone
- (817) 713-4646
- Enumerated
- Mar 22, 2018
- Record last updated
- Mar 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- 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 1402 S Grand Blvd # M260
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Boswell Diffley 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
85% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
27 Medicare Part D claims for 15 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
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.
Michael Boswell Diffley among 3,622 student in an organized health care education/training program records in Missouri
Michael Boswell Diffley 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 2018, is newer than 6% of them.
- NPI issued2018 · 6% of these records are older, 93% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2018 · 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).
1,338 student in an organized health care education/training program records list a practice address in Saint Louis
They are 1,338 of the 27,605 NPPES records with a practice address in Saint Louis, and 3,622 student in an organized health care education/training program records in Missouri.
All 3,622 in Missouri → Every provider in Saint Louis → 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
- Mustafa Altinyay, MDSaint Louis, MO 631041356674246
- Sharmistha Barai, M.D.Saint Louis, MO 631041497984173
- Arshad Bhatt, M.D.Saint Louis, MO 631041215138698
- Joseph Dasso, M.D, PH.D.Saint Louis, MO 631041972706505
- Avrum Goldberg, DDSSaint Louis, MO 631041225343858
- Josh LanterSaint Louis, MO 631041710180609
- Jamal Maarouf, M.D.Saint Louis, MO 631041205169638
- Lynn Nelms, M.D.Saint Louis, MO 631041881892503
Common questions
What is Michael Boswell Diffley's NPI number?
Michael Boswell Diffley's National Provider Identifier (NPI) is 1871097998, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Michael Boswell Diffley located?
The NPPES record lists a practice address at 1402 S Grand Blvd # M260, Saint Louis, MO, 63104. Phone: (817) 713-4646. Providers update this record themselves, so call before visiting.
How can I verify Michael Boswell Diffley's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Boswell Diffley prescribe under Medicare Part D?
In 2024, Michael Boswell Diffley had 27 Medicare Part D claims for 15 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.