Dr Robert Tri Nguyen, MD - Medicare Hospitalist in Oxnard, CA

Dr Robert Tri Nguyen, MD is a medicare enrolled "Internal Medicine" physician in Oxnard, California. He graduated from medical school in 2001 and has 23 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Inpatient Specialists Of California Pc and his current practice location is 815 Cooper Road, Oxnard, California. You can reach out to his office (for appointments etc.) via phone at (805) 487-9892.

Dr Robert Tri Nguyen is licensed to practice in California (license number A89952) 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 1780775718.

Contact Information

Dr Robert Tri Nguyen, MD
815 Cooper Road,
Oxnard, CA 93030
(805) 487-9892
(805) 487-7590

Map and Direction




Physician's Profile

Full NameDr Robert Tri Nguyen
GenderMale
SpecialityHospitalist
Experience23 Years
Location815 Cooper Road, Oxnard, 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 Tri Nguyen graduated from medical school in 2001
  NPI Data:
  • NPI Number: 1780775718
  • Provider Enumeration Date: 09/27/2006
  • Last Update Date: 01/31/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 6406912567
  • Enrollment ID: I20090226000027

Medical Identifiers

Medical identifiers for Dr Robert Tri Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780775718NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A89952 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Johns Regional Medical CenterOxnard, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Inpatient Specialists Of California Pc3476864448309

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 Tri Nguyen allows following entities to bill medicare on his behalf.
Entity NameInpatient Specialists Of California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952792475
PECOS PAC ID: 3476864448
Enrollment ID: O20150617000915

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 Tri Nguyen 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 Tri Nguyen, MD
2430 Woodcreek Rd,
Camarillo, CA 93012-2536

Ph: (805) 487-9892
Dr Robert Tri Nguyen, MD
815 Cooper Road,
Oxnard, CA 93030

Ph: (805) 487-9892

Reviews and Comments


Internal Medicine Doctors in Oxnard, CA

Dr. Constante U Abaya, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1200 N Ventura Rd, # C, Oxnard, CA 93030
Phone: 805-983-0730    Fax: 805-485-4586
John R Walters, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 703 N A St, Oxnard, CA 93030
Phone: 805-485-2340    Fax: 805-485-1429
Dr. Donald Miller, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2241 Wankel Way Ste A, Oxnard, CA 93030
Phone: 805-983-0521    Fax: 805-919-2684
Victor H Alcocer, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1901 Outlet Center Dr Ste 200, Oxnard, CA 93036
Phone: 805-981-8300    Fax: 805-981-8302
Dr. Jack Shenouda, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1600 N Rose Ave, Oxnard, CA 93030
Phone: 717-577-3938    Fax: 785-354-6349
Dr. Romany F. Demian, M.D.
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 971 W 7th St # B, Suite # B, Oxnard, CA 93030
Phone: 805-483-2500    Fax: 805-483-2525
Sergio O Neira, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1901 Outlet Center Dr Ste 200, Oxnard, CA 93036
Phone: 805-981-8300    Fax: 805-981-8302

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.