Davis L Sim, MD PHD - Medicare Gastroenterology in Springfield, OR

Davis L Sim, MD PHD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Springfield, Oregon. He went to University Of Virginia School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Eugene Gastroenterology Consultants Pc and his current practice location is 3355 Riverbend Dr 500, Springfield, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 868-9506.

Davis L Sim is licensed to practice in Oregon (license number MD172163) 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 1265668263.

Contact Information

Davis L Sim, MD PHD
3355 Riverbend Dr 500,
Springfield, OR 97477
(541) 868-9506
(541) 685-5920

Map and Direction




Physician's Profile

Full NameDavis L Sim
GenderMale
SpecialityGastroenterology
Experience15 Years
Location3355 Riverbend Dr 500, Springfield, Oregon
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:
  • Davis L Sim attended and graduated from University Of Virginia School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1265668263
  • Provider Enumeration Date: 06/04/2009
  • Last Update Date: 05/18/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 6305158056
  • Enrollment ID: I20150819008089

Medical Identifiers

Medical identifiers for Davis L Sim such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265668263NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD172163 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sacred Heart Medical Center - RiverbendSpringfield, ORHospital
Bay Area HospitalCoos bay, ORHospital
Mercy Medical CenterRoseburg, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Eugene Gastroenterology Consultants Pc983018587515

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. Davis L Sim allows following entities to bill medicare on his behalf.
Entity NameEugene Gastroenterology Consultants Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457374480
PECOS PAC ID: 9830185875
Enrollment ID: O20040423000749

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. Davis L Sim 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
Davis L Sim, MD PHD
3355 Riverbend Dr 500,
Springfield, OR 97477-8800

Ph: (541) 868-9500
Davis L Sim, MD PHD
3355 Riverbend Dr 500,
Springfield, OR 97477

Ph: (541) 868-9506

Reviews and Comments


Internal Medicine Doctors in Springfield, OR

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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.