Dr Robert James Preston, MD - Medicare Critical Care (intensivists) in Los Angeles, CA

Dr Robert James Preston, MD is a medicare enrolled "Surgery - Trauma Surgery" physician in Los Angeles, California. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Critical Care (intensivists). He is a member of the group practice Vep Mlk Emergency Medical Group Inc, Capital Hospitalist Medical Group Inc and his current practice location is 2051 Marengo St, Division Of Trauma And Critical Care Usc, Los Angeles, California. You can reach out to his office (for appointments etc.) via phone at (323) 865-1241.

Dr Robert James Preston is licensed to practice in California (license number C134885) 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 1538336581.

Contact Information

Dr Robert James Preston, MD
2051 Marengo St, Division Of Trauma And Critical Care Usc,
Los Angeles, CA 90033-1352
(323) 865-1241
Not Available

Map and Direction




Physician's Profile

Full NameDr Robert James Preston
GenderMale
SpecialityCritical Care (intensivists)
Experience19 Years
Location2051 Marengo St, Los Angeles, 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 Robert James Preston graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1538336581
  • Provider Enumeration Date: 05/09/2008
  • Last Update Date: 03/12/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 5991864142
  • Enrollment ID: I20150507000935

Medical Identifiers

Medical identifiers for Dr Robert James Preston such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538336581NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 128134 (North Carolina)Secondary
2086S0127XSurgery - Trauma Surgery C134885 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Martin Luther King, Jr. Community HospitalLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Vep Mlk Emergency Medical Group Inc286070730420
Capital Hospitalist Medical Group Inc892130863621

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 Robert James Preston allows following entities to bill medicare on his behalf.
Entity NameSouthern California Hospitalist Network Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790880458
PECOS PAC ID: 8921990110
Enrollment ID: O20040324001749
Entity NameVep Mlk Emergency Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841679289
PECOS PAC ID: 2860707304
Enrollment ID: O20150813009584
Entity NameCapital Hospitalist Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992178222
PECOS PAC ID: 8921308636
Enrollment ID: O20151202002282
Entity NameSuperior Hospitalist Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780047712
PECOS PAC ID: 1456650928
Enrollment ID: O20160504002343
Entity NameBel Air Critical Care Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396268041
PECOS PAC ID: 4385917491
Enrollment ID: O20170911002793

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 Robert James Preston 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 Robert James Preston, MD
Po Box 31309,
Los Angeles, CA 90031-0309

Ph: (323) 865-1241
Dr Robert James Preston, MD
2051 Marengo St, Division Of Trauma And Critical Care Usc,
Los Angeles, CA 90033-1352

Ph: (323) 865-1241

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).

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.