Dr. Michael John Defilippo, DO
- Medicare services, 2024
- 40
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 123
- Publications
- 2
- Hospital affiliations
- 3
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Defilippo's professional email, personal email and mobile number
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Dr. Michael John Defilippo is an emergency medicine physician in Saint Louis, Missouri
Dr. Defilippo practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Defilippo's NPI, 1467080747, was assigned on March 31, 2020. Dr. Defilippo graduated from Rowan University School of Osteopathic Medicine in 2020. Dr. Defilippo holds New Mexico license DO2024-0013.
- NPI
- 1467080747NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305382524
- NPI enumeration date
- March 31, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael John Defilippo practices at 2 locations in Saint Louis, Missouri
Dr. Defilippo's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Defilippo also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Michael John Defilippo is affiliated with 3 sites of care and 3 medical groups
Dr. Defilippo's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Defilippo is also affiliated with Christian Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Defilippo to 1 more hospital and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael John Defilippo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Defilippo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael John Defilippo is one of 1,063 emergency medicine physicians in Missouri
Emergency medicine is Dr. Defilippo's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Defilippo is licensed in New Mexico.
Specialties and state licenses
- Emergency medicine, New MexicoPrimary
Emergency medicine physicians near Dr. Defilippo
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael John Defilippo billed Medicare for 40 services in 2024
CMS data shows 40 Medicare services from Dr. Defilippo across 2 procedure codes in 2024, for 56 Medicare patients. Medicare paid $4,091 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Defilippo compared with the Missouri median for emergency medicine physicians, 2024
- Dr. Defilippo
- Missouri median
- Medicare services
- 40vs 25284% below
- Medicare patients
- 56vs 26279% below
- Part D claims
- 38vs 6945% below
Medians across 1,092 emergency medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Defilippo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Defilippo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Defilippo and other emergency medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael John Defilippo treated 56 Medicare patients in 2024, average age 74
CMS counts 56 Medicare patients who saw Dr. Defilippo in 2024. The largest group is 75 to 84, with 21 patients. 70% of them have high blood pressure, and 66% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Defilippo's median patient age at 58, with 61% women.
Dr. Defilippo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Defilippo's Medicare patients by sex, 2024
- Women3868%
- Men1832%
Chronic conditions among Dr. Defilippo's Medicare patients, 2024
- High blood pressure70%
- High cholesterol66%
- Arthritis52%
- Mood disorders43%
- Diabetes38%
- Chronic kidney disease36%
- Depression36%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Defilippo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael John Defilippo wrote 123 Medicare Part D claims in 2024
In 2024, Dr. Defilippo wrote 123 Medicare Part D claims for 81 patients. 96% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $535 in total drug cost.
Dr. Defilippo's Part D claims by kind of drug, 2024
- Generic118 claims96%
- Brand-name and other5 claims4%
Dr. Defilippo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Defilippo's Part D claims, 2024
- Opioids11%13 of 123 claims
- Antibiotics41%51 of 123 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Michael John Defilippo takes part in Medicare
Dr. Defilippo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael John Defilippo has 2 publications on record
Dmand AI links 2 papers to Dr. Defilippo, published from 2022 to 2025. Dr. Defilippo's most frequent co-authors are Bernard P. Chang, MD, PhD, James Lu Li, MD and Christopher Reisig, MD.
Dr. Defilippo's most frequent co-authors
- Bernard P. Chang, MD, PhD1 shared paper
- James Lu Li, MD1 shared paper
- Christopher Reisig, MD1 shared paper
Recent publications by Dr. Defilippo
See who Dr. Defilippo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Defilippo works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael John Defilippo graduated from Rowan University School of Osteopathic Medicine
Dr. Defilippo graduated from Rowan University School of Osteopathic Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael John Defilippo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael John Defilippo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael John Defilippo's NPI number?
Dr. Michael John Defilippo's NPI number is 1467080747. It was assigned on March 31, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Defilippo?
Dr. Michael John Defilippo is an emergency medicine physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Michael John Defilippo practice?
Dr. Defilippo practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Defilippo also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Defilippo's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Defilippo to 1 hospital and 2 medical groups.
What is Dr. Michael John Defilippo's office phone number?
The practice phone on file for Dr. Defilippo is (314) 747-3000.
What is Dr. Michael John Defilippo's medical license number?
Dr. Defilippo holds New Mexico license DO2024-0013.
Which hospitals is Dr. Michael John Defilippo affiliated with?
Dr. Defilippo practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Defilippo is also affiliated with Christian Hospital. Dmand AI links Dr. Defilippo to 1 more hospital.
What medical group is Dr. Michael John Defilippo part of?
Dr. Defilippo is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Defilippo to 2 more medical groups.
Does Dr. Michael John Defilippo accept Medicare?
Yes. CMS data shows Dr. Defilippo billed Medicare for 40 services in 2024, and Dr. Defilippo accepts Medicare assignment.
How many Medicare patients does Dr. Michael John Defilippo see?
CMS counts 56 Medicare patients who saw Dr. Defilippo in 2024, with an average age of 74.
What services does Dr. Michael John Defilippo bill to Medicare?
In 2024, Dr. Defilippo's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
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Where did Dr. Michael John Defilippo go to medical school?
Dr. Defilippo graduated from Rowan University School of Osteopathic Medicine in 2020.
What drugs does Dr. Michael John Defilippo prescribe most?
In 2024 Medicare Part D data, Dr. Defilippo's most prescribed drugs by claims were Ibuprofen, Oxycodone HCl and Cefpodoxime Proxetil.
How long has Dr. Michael John Defilippo been practicing?
Dr. Defilippo graduated from medical school in 2020, 6 years ago.
Does Dr. Michael John Defilippo do research?
Dmand AI links 2 publications to Dr. Defilippo, published from 2022 to 2025.
Who does Dr. Michael John Defilippo publish with?
Dr. Defilippo's most frequent co-authors are Bernard P. Chang, MD, PhD (1 shared paper), James Lu Li, MD (1 shared paper) and Christopher Reisig, MD (1 shared paper).
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