Horacio Marafioti, MD
Emergency Medicine Physician · Saint Louis, MO
Horacio Marafioti, MD is an emergency medicine physician with a practice address in Saint Louis, Missouri, and NPI 1457375461, issued on Jul 26, 2006. Check the license (Missouri R9076, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Horacio Marafioti
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R9076 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3933 S Broadway, Saint Louis, MO 63118
- Phone
- (314) 865-7000
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (314) 865-7073
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 3933 S Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Horacio Marafioti 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 R9076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
19 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Horacio Marafioti among 1,405 emergency medicine physician records in Missouri
Horacio Marafioti, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 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
- Mablene Buggs, M.D.Saint Louis, MO 631181821092214
- Alberto Viloria, MDSaint Louis, MO 631181740257104
- Linda Bick, M.D.Richmond Heights, MO 631171699717728
- Matthew Bruckel, M.D.Saint Louis, MO 631191942225305
- Ruth Chacko, M.D.Saint Louis, MO 631171093754715
- Troy Dinkel, M.D.Saint Louis, MO 631191598747727
- Erin Gerhardt, D.O.Richmond Heights, MO 631171962607598
- William Gilmore, MDRichmond Heights, MO 631171962587170
Common questions
What is Horacio Marafioti, MD's NPI number?
Horacio Marafioti, MD's National Provider Identifier (NPI) is 1457375461, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Horacio Marafioti, MD located?
The NPPES record lists a practice address at 3933 S Broadway, Saint Louis, MO, 63118. Phone: (314) 865-7000. Providers update this record themselves, so call before visiting.
How can I verify Horacio Marafioti, MD's license?
NPPES lists Missouri license number R9076, 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 Horacio Marafioti, MD prescribe under Medicare Part D?
In 2024, Horacio Marafioti, MD had 19 Medicare Part D claims; 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.