Dr Marc Joseph Coz Zarraga, MD - Medicare Internal Medicine in Springfield, OR

Dr Marc Joseph Coz Zarraga, MD is a medicare enrolled "Hospitalist" physician in Springfield, Oregon. He graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Peacehealth and his current practice location is 3333 Riverbend Dr, Springfield, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 222-6389.

Dr Marc Joseph Coz Zarraga is licensed to practice in Oregon (license number MD156561) 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 1134360845.

Contact Information

Dr Marc Joseph Coz Zarraga, MD
3333 Riverbend Dr,
Springfield, OR 97477-8800
(541) 222-6389
(541) 222-6385

Map and Direction




Physician's Profile

Full NameDr Marc Joseph Coz Zarraga
GenderMale
SpecialityInternal Medicine
Experience22 Years
Location3333 Riverbend Dr, 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:
  • Dr Marc Joseph Coz Zarraga graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1134360845
  • Provider Enumeration Date: 03/11/2009
  • Last Update Date: 07/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3870645435
  • Enrollment ID: I20120210000425

Medical Identifiers

Medical identifiers for Dr Marc Joseph Coz Zarraga such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134360845NPI-NPPES
500642793MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist MD156561 (Oregon)Primary
207R00000XInternal Medicine MD156561 (Oregon)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sacred Heart Medical Center - RiverbendSpringfield, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Peacehealth8527016039174

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 Marc Joseph Coz Zarraga allows following entities to bill medicare on his behalf.
Entity NamePeacehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740223874
PECOS PAC ID: 8527016039
Enrollment ID: O20050111000353

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 Marc Joseph Coz Zarraga 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 Marc Joseph Coz Zarraga, MD
3377 Riverbend Dr,
Springfield, OR 97477-8803

Ph: (541) 222-6389
Dr Marc Joseph Coz Zarraga, MD
3333 Riverbend Dr,
Springfield, OR 97477-8800

Ph: (541) 222-6389

Reviews and Comments


Hospitalist Doctors in Springfield, OR

Cristian Mugurel Hutanu, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: Peacehealth Hospital Medicine, 3377 River Bend Drive, Springfield, OR 97477
Phone: 541-222-6389    Fax: 541-222-6385
Kantee Karki, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3333 Riverbend Dr, Springfield, OR 97477
Phone: 541-222-6389    
Basanta Pathak, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: Peacehealth Hospital Medicine, 3377 Riverbend Drive, Springfield, OR 97477
Phone: 541-222-6389    Fax: 541-222-6385
Zakhar Serkin,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3377 Riverbend Dr, Springfield, OR 97477
Phone: 541-222-8400    Fax: 541-222-8401
Dr. Joanna Marie Bautista Aquino-laban, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3377 Riverbend Dr, Springfield, OR 97477
Phone: 541-222-6389    Fax: 541-222-6385
Brittany Ellison, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: Peacehealth Hospital Medicine, 3377 Riverbend Drive, Springfield, OR 97477
Phone: 541-222-6389    Fax: 541-222-6385

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.