Greg M Oji, MD - Medicare Pediatrics in Duarte, CA

Greg M Oji, MD is a medicare enrolled "Pediatrics" physician in Duarte, California. His current practice location is 931 Buena Vista St Ste 302, Duarte, California. You can reach out to his office (for appointments etc.) via phone at (201) 234-9238.

Greg M Oji is licensed to practice in Louisiana (license number MD.207384) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1487913976.

Contact Information

Greg M Oji, MD
931 Buena Vista St Ste 302,
Duarte, CA 91010-1714
(201) 234-9238
(626) 358-5572

Map and Direction




Physician's Profile

Full NameGreg M Oji
GenderMale
SpecialityPediatrics
Location931 Buena Vista St Ste 302, Duarte, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1487913976
  • Provider Enumeration Date: 05/03/2012
  • Last Update Date: 08/07/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1759604697
  • Enrollment ID: I20141229000394

Medical Identifiers

Medical identifiers for Greg M Oji such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487913976NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD.207384 (Louisiana)Primary

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. Greg M Oji allows following entities to bill medicare on his behalf.
Entity NameWk South Hospitalists
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831357482
PECOS PAC ID: 7911071907
Enrollment ID: O20080808000802

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. Greg M Oji 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
Greg M Oji, MD
931 Buena Vista St Ste 302,
Duarte, CA 91010-1714

Ph: (201) 234-9238
Greg M Oji, MD
931 Buena Vista St Ste 302,
Duarte, CA 91010-1714

Ph: (201) 234-9238

Reviews and Comments


Pediatrics Doctors in Duarte, CA

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Phone: 626-256-4673    

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).

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