Michael John Defilippo, DO
Emergency Medicine Physician · Saint Louis, MO
Michael John Defilippo, DO is an emergency medicine physician with a practice address in Saint Louis, Missouri, and NPI 1467080747, issued on Mar 31, 2020. Check the license (Missouri 2025017802, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael John Defilippo
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 2025017802 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 362-9123
- Enumerated
- Mar 31, 2020
- Record last updated
- Jul 17, 2025
- Fax
- (314) 362-0478
- Medicare enrollment
- Enrolled (PECOS I20250703002134); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael John Defilippo 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 2025017802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average emergency medicine physician in 2024
123 Medicare Part D claims for 81 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Ibuprofen14 claims
- Oxycodone Hcl13 claims
- Cefpodoxime Proxetil11 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.
Bills Medicare through 3 group practices
- Unm Medical Group IncAlbuquerque, NM
- Washington UniversitySaint Louis, MO
- Washington University Community Specialists, LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael John Defilippo among 1,405 emergency medicine physician records in Missouri
Michael John Defilippo, DO is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 82% of them.
- NPI issued2020 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2012 among the 808 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
398 emergency medicine physician records list a practice address in Saint Louis
They are 398 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Saint Louis → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Amin, MDSaint Louis, MO 631101528003787
- Brian Cohn, MDSaint Louis, MO 631101649206061
- Brian Froelke, MDSaint Louis, MO 631101114951233
- Gary Gambill, MDSaint Louis, MO 631101346282837
- Richard Griffey, MDSaint Louis, MO 631101023075405
- Kamal Gursahani, MDSaint Louis, MO 631101396760849
- Reuben Johnson, MDSaint Louis, MO 631101174563217
- Richard Schmidt, MDSaint Louis, MO 631101437133501
Common questions
What is Michael John Defilippo, DO's NPI number?
Michael John Defilippo, DO's National Provider Identifier (NPI) is 1467080747, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Defilippo, DO located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-9123. Providers update this record themselves, so call before visiting.
How can I verify Michael John Defilippo, DO's license?
NPPES lists Missouri license number 2025017802, 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 Michael John Defilippo, DO prescribe under Medicare Part D?
In 2024, Michael John Defilippo, DO had 123 Medicare Part D claims for 81 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.