Gabriel Estremera, MD - Medicare General Surgery in Pomona, CA

Gabriel Estremera, MD is a medicare enrolled "Surgery - Trauma Surgery" physician in Pomona, California. He went to Rutgers R W Johnson Medical School (cam/new Bruns/pisc) and graduated in 2013 and has 11 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice The Institute Of Trauma And Acute Care Inc, Pih Health Physicians and his current practice location is 160 E Artesia St Ste 310, Pomona, California. You can reach out to his office (for appointments etc.) via phone at (909) 865-9500.

Gabriel Estremera is licensed to practice in California (license number A163081) 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 1891038055.

Contact Information

Gabriel Estremera, MD
160 E Artesia St Ste 310,
Pomona, CA 91767-2922
(909) 865-9500
Not Available

Map and Direction




Physician's Profile

Full NameGabriel Estremera
GenderMale
SpecialityGeneral Surgery
Experience11 Years
Location160 E Artesia St Ste 310, Pomona, 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:
  • Gabriel Estremera attended and graduated from Rutgers R W Johnson Medical School (cam/new Bruns/pisc) in 2013
  NPI Data:
  • NPI Number: 1891038055
  • Provider Enumeration Date: 04/05/2013
  • Last Update Date: 09/13/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7315257672
  • Enrollment ID: I20191016002895

Medical Identifiers

Medical identifiers for Gabriel Estremera such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891038055NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2086S0127XSurgery - Trauma Surgery A163081 (California)Primary
208600000XSurgery A163081 (California)Secondary
2086S0102XSurgery - Surgical Critical Care A163081 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Pomona Valley Hospital Medical CenterPomona, CAHospital
Pih Hospital - DowneyDowney, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Institute Of Trauma And Acute Care Inc62041018509
Pih Health Physicians8426951328439

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. Gabriel Estremera allows following entities to bill medicare on his behalf.
Entity NamePih Health Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609233899
PECOS PAC ID: 8426951328
Enrollment ID: O20040128001177
Entity NameThe Institute Of Trauma And Acute Care Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740711324
PECOS PAC ID: 6204101850
Enrollment ID: O20171006001372

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. Gabriel Estremera 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
Gabriel Estremera, MD
840s Wood St 376-csn,
Chicago, IL 60612-4325

Ph: (312) 996-6765
Gabriel Estremera, MD
160 E Artesia St Ste 310,
Pomona, CA 91767-2922

Ph: (909) 865-9500

Reviews and Comments


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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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