John Ellis, D.O.
Emergency Medicine Physician · Bronx, NY
John Ellis, D.O. is an emergency medicine physician with a practice address in Bronx, New York, and NPI 1003221037, issued on Jun 28, 2014. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Ellis
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 22891 CA
OS15644 FL
160849 MT
Self-reported in NPPES; status is on the state search - Practice location
- 4422 Third Ave, Bronx, NY 10457
- Phone
- (718) 960-9000
- Enumerated
- Jun 28, 2014
- Record last updated
- Nov 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20251206000417); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Bradenton, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 4422 Third Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael CaputoStudent in an Organized Health Care Education/Training Program1063209070
- Rolando Gatilao, NPPsychiatric/Mental Health Nurse Practitioner1265817159
- Ochan KwonEmergency Medicine Physician1548895055
- Kathy McCook, PACPhysician Assistant1700195385
- Tyler Najac, M.D.Student in an Organized Health Care Education/Training Program1407546161
- Hye In Nam, D.M.D.Student in an Organized Health Care Education/Training Program1366839706
Verify John Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average emergency medicine physician in 2024
341 Medicare Part D claims for 206 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Ondansetron Odt54 claims
- Ibuprofen42 claims
- Cephalexin25 claims
- Dicyclomine Hcl18 claims
- Methylprednisolone18 claims
- Oxycodone-Acetaminophen17 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.
3 hospitals and group practices
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
- Berkeley Emergency Medical Group IncBerkeley, CA
- Cep America - CaliforniaAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Ellis among 5,025 emergency medicine physician records in New York
John Ellis, D.O. is one of 5,025 emergency medicine physician records with a practice address in New York. 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 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2013 among the 3,232 with a school on file
- Record last updated2025 · 55% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
464 emergency medicine physician records list a practice address in Bronx
They are 464 of the 32,017 NPPES records with a practice address in Bronx, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Bronx → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Juan Acosta, DOBronx, NY 104571316940968
- Jae Ahn, D.O.Bronx, NY 104571679541619
- Vijay Akkapeddi, M.D.Bronx, NY 104571982657706
- Ruben Altamirano, D.O.Bronx, NY 104571588614820
- Eric Appelbaum, D.O.Bronx, NY 104571528034618
- Jerry Balentine, D.O.Bronx, NY 104571376537050
- Paul Beyer, D.O.Bronx, NY 104571073563805
- Daniel Cerbone, D.O.Bronx, NY 104571073560520
Common questions
What is John Ellis, D.O.'s NPI number?
John Ellis, D.O.'s National Provider Identifier (NPI) is 1003221037, issued on Jun 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Ellis, D.O. located?
The NPPES record lists a practice address at 4422 Third Ave, Bronx, NY, 10457. Phone: (718) 960-9000. Providers update this record themselves, so call before visiting.
How can I verify John Ellis, D.O.'s license?
Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Ellis, D.O. prescribe under Medicare Part D?
In 2024, John Ellis, D.O. had 341 Medicare Part D claims for 206 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.