Dr Terence Danny O'neil, MD - Medicare Emergency Medicine in Long Beach, CA

Dr Terence Danny O'neil, MD is a medicare enrolled "Emergency Medicine" physician in Long Beach, California. He went to Columbia University College Of Physicians And Surgeons and graduated in 2002 and has 22 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Oneil Enterprises Inc and his current practice location is 1720 Termino Ave, Long Beach, California. You can reach out to his office (for appointments etc.) via phone at (562) 498-1000.

Dr Terence Danny O'neil is licensed to practice in California (license number A85148) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1528093267.

Contact Information

Dr Terence Danny O'neil, MD
1720 Termino Ave,
Long Beach, CA 90804-2104
(562) 498-1000
(562) 498-4476

Map and Direction




Physician's Profile

Full NameDr Terence Danny O'neil
GenderMale
SpecialityEmergency Medicine
Experience22 Years
Location1720 Termino Ave, Long Beach, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Terence Danny O'neil attended and graduated from Columbia University College Of Physicians And Surgeons in 2002
  NPI Data:
  • NPI Number: 1528093267
  • Provider Enumeration Date: 07/11/2006
  • Last Update Date: 11/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3274573563
  • Enrollment ID: I20050505000797

Medical Identifiers

Medical identifiers for Dr Terence Danny O'neil such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528093267NPI-NPPES
00A851480MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A85148 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oneil Enterprises Inc963850668610

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Terence Danny O'neil allows following entities to bill medicare on his behalf.
Entity NameOneil Enterprises Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184186629
PECOS PAC ID: 9638506686
Enrollment ID: O20200303002834

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Terence Danny O'neil is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Terence Danny O'neil, MD
Po Box 60040,
Arcadia, CA 91066-6040

Ph: (626) 447-0296
Dr Terence Danny O'neil, MD
1720 Termino Ave,
Long Beach, CA 90804-2104

Ph: (562) 498-1000

Reviews and Comments


Emergency Medicine Doctors in Long Beach, CA

Gregory W Bush, MD
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Practice Location: 2801 Atlantic Ave, Long Beach, CA 90806
Phone: 562-933-2000    Fax: 818-587-2493
Dr. Neel Amar Shah, M.D.
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Practice Location: 1050 Linden Ave, Long Beach, CA 90813
Phone: 562-491-9761    Fax: 562-491-9264
Dr. Andrew Wittenberg, MD
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Phone: 562-933-2000    
Dr. Lauren Valerie Sylwanowicz, M.D.
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Practice Location: 1050 Linden Ave, Long Beach, CA 90813
Phone: 562-491-9000    
Eber Sanchez Zelaya,
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Phone: 562-506-8631    
Dr. George Robert Knull, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1936 E Anaheim St, Long Beach, CA 90813
Phone: 714-309-4688    
Dr. Hoskote B. Venkatesh, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5901 East 7th Street, Long Beach, CA 90822
Phone: 562-826-8000    Fax: 562-826-8159

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.