Emma B Trejo, MD - Medicare Internal Medicine in Wilmington, CA

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Emma B Trejo, MD is a medicare enrolled "Internal Medicine" physician in Wilmington, California. Her current practice location is 200 E Anaheim St, Wilmington, California. You can reach out to her office (for appointments etc.) via phone at (310) 522-8700.

Emma B Trejo is licensed to practice in California (license number A56299) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1043387954.

Contact Information

Emma B Trejo, MD
200 E Anaheim St,
Wilmington, CA 90744
(310) 522-8700
Not Available

Map and Direction




Physician's Profile

Full NameEmma B Trejo
GenderFemale
SpecialityInternal Medicine
Location200 E Anaheim St, Wilmington, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1043387954
  • Provider Enumeration Date: 11/29/2006
  • Last Update Date: 01/10/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1557411303
  • Enrollment ID: I20090616000775

Medical Identifiers

Medical identifiers for Emma B Trejo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043387954NPI-NPPES
00A562990MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A56299 (California)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. Emma B Trejo allows following entities to bill medicare on her behalf.
Entity NameHealthcare Partners Affiliates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659312593
PECOS PAC ID: 7315842002
Enrollment ID: O20031204001258

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. Emma B Trejo 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
Emma B Trejo, MD
2550 W Main St Ste 301,
Alhambra, CA 91801-7003

Ph: (626) 457-6900		Emma B Trejo, MD
200 E Anaheim St,
Wilmington, CA 90744

Ph: (310) 522-8700

Reviews and Comments


Internal Medicine Doctors in Wilmington, CA

Homan Siman, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1231 Avalon Blvd, Wilmington, CA 90744
Phone: 310-835-7215    Fax: 310-835-6520

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.