Terence Danny O'Neil, M.D.
Emergency Medicine Physician · Long Beach, CA
Terence Danny O'Neil, M.D. is an emergency medicine physician with a practice address in Long Beach, California, and NPI 1528093267, issued on Jul 11, 2006. Check the license (California A85148, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Terence Danny O'Neil
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A85148 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1720 Termino Ave, Long Beach, CA 90804
- Phone
- (562) 498-1000
- Enumerated
- Jul 11, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (562) 498-4476
- Medicaid ID
- 00A851480 CA
- Medicare enrollment
- Enrolled (PECOS I20050505000797); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1720 Termino Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Austin AguilarAdult Psychiatric/Mental Health Registered Nurse1457718876
- Marco Barrera Zuniga, RNRegistered Nurse1760158026
- Christine Bryan, RNAdult Psychiatric/Mental Health Registered Nurse1770940066
- Kathie Calloway, M.D.Emergency Medicine Physician1235166034
- Enrique Contreras, RNPsychiatric/Mental Health Registered Nurse1154787513
- James Dellorusso, M.D.Anesthesiology Physician1366425811
Verify Terence Danny O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average emergency medicine physician in 2024
239 Medicare Part D claims for 140 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Methylprednisolone28 claims
- Cefdinir25 claims
- Amoxicillin-Clavulanate Potass18 claims
- Mupirocin18 claims
- Doxycycline Hyclate16 claims
- Azithromycin14 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 one group practice
- Oneil Enterprises IncLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terence Danny O'Neil among 7,751 emergency medicine physician records in California
Terence Danny O'Neil, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2002 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Long Beach → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kathie Calloway, M.D.Long Beach, CA 908041235166034
- Ruben Gomez, M.D.Long Beach, CA 908041669415105
- Mohammad Nazari, MDLong Beach, CA 908041437237930
- Dennis Parmer, M.D.Long Beach, CA 908041831120237
- Gail Carruthers, MDLong Beach, CA 908061619922994
- Gary Hofmann, MDLong Beach, CA 908061174579734
- Amy Kaji, MDLong Beach, CA 908061619923125
- Alan Lewis, M.D.Long Beach, CA 908061275584112
Common questions
What is Terence Danny O'Neil, M.D.'s NPI number?
Terence Danny O'Neil, M.D.'s National Provider Identifier (NPI) is 1528093267, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terence Danny O'Neil, M.D. located?
The NPPES record lists a practice address at 1720 Termino Ave, Long Beach, CA, 90804. Phone: (562) 498-1000. Providers update this record themselves, so call before visiting.
How can I verify Terence Danny O'Neil, M.D.'s license?
NPPES lists California license number A85148, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Terence Danny O'Neil, M.D. prescribe under Medicare Part D?
In 2024, Terence Danny O'Neil, M.D. had 239 Medicare Part D claims for 140 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.