Michael Caleb O'Neil, M.D.
Emergency Medicine Physician · Philadelphia, PA
Michael Caleb O'Neil, M.D. is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1376988600, issued on Apr 30, 2013. Check the license (Pennsylvania MT212463, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael Caleb O'Neil
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MT212463 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce St, Philadelphia, PA 19104
- Phone
- (215) 662-6305
- Enumerated
- Apr 30, 2013
- Record last updated
- May 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200921002679); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Abbott, CRNPNurse Practitioner1396771689
- Michael Abboud, MDEmergency Medicine Physician1962820852
- Emily AbdelmessihPediatric Pharmacist1891612560
- Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
- Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
- Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973
Verify Michael Caleb O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT212463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average emergency medicine physician in 2024
114 Medicare Part D claims for 74 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Cefuroxime14 claims
- Tamsulosin Hcl13 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.
Industry payments in 2024: $16.10
1 payment: food and beverage; the largest payer was Gebauer Company. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Main Line Emergency Med Associates LLCPaoli, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Caleb O'Neil among 3,911 emergency medicine physician records in Pennsylvania
Michael Caleb O'Neil, M.D. is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 55% of them.
- NPI issued2013 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · median 2013 among the 2,231 with a school on file
- Record last updated2018 · 51% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,006 emergency medicine physician records list a practice address in Philadelphia
They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Philadelphia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Baxt, MDPhiladelphia, PA 191041477592970
- Aaron Chen, MDPhiladelphia, PA 191041871533455
- Elizabeth Datner, MDPhiladelphia, PA 191041487601365
- Francis De Roos, MDPhiladelphia, PA 191041285681148
- Anthony Dean, MDPhiladelphia, PA 191041508805318
- Edward Dickinson, MDPhiladelphia, PA 191041003855529
- C MechemPhiladelphia, PA 191041548200538
- Zachary Meisel, MDPhiladelphia, PA 191041013919935
Common questions
What is Michael Caleb O'Neil, M.D.'s NPI number?
Michael Caleb O'Neil, M.D.'s National Provider Identifier (NPI) is 1376988600, issued on Apr 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael Caleb O'Neil, M.D. located?
The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-6305. Providers update this record themselves, so call before visiting.
How can I verify Michael Caleb O'Neil, M.D.'s license?
NPPES lists Pennsylvania license number MT212463, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Caleb O'Neil, M.D. prescribe under Medicare Part D?
In 2024, Michael Caleb O'Neil, M.D. had 114 Medicare Part D claims for 74 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.