Marc Joseph Coz Zarraga, MD
Hospitalist Physician · Springfield, OR
Marc Joseph Coz Zarraga, MD is a hospitalist physician with a practice address in Springfield, Oregon, and NPI 1134360845, issued on Mar 11, 2009. Check the license (Oregon MD156561, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc Joseph Coz Zarraga
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD156561 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Riverbend Dr, Springfield, OR 97477
- Phone
- (541) 222-6389
- Enumerated
- Mar 11, 2009
- Record last updated
- Jul 17, 2023
- Fax
- (541) 222-6385
- Medicaid ID
- 500642793 OR
- Medicare enrollment
- Enrolled (PECOS I20120210000425); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at 3333 Riverbend Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Casey Aaby, PHARMDPharmacist1114735909
- Dominic Adams, PT, DPTPhysical Therapist1164231882
- Ana Maria Aguilar Messick, PHARMDPharmacist1922957323
- Jared Alexander, MDAnesthesiology Physician1265010102
- Kevin Allan, M.D.Emergency Medicine Physician1023549466
- Courtney ApkerFamily Nurse Practitioner1104363878
Verify Marc Joseph Coz Zarraga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD156561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average hospitalist physician in 2024
177 Medicare Part D claims for 67 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Carvedilol15 claims
- Metoprolol Tartrate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- PeacehealthRoseburg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Joseph Coz Zarraga among 471 hospitalist physician records in Oregon
Marc Joseph Coz Zarraga, MD is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 44% of them.
- NPI issued2009 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2002 · median 2009 among the 400 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 hospitalist physician records list a practice address in Springfield
They are 60 of the 2,209 NPPES records with a practice address in Springfield, and 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Springfield → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Richard Barnhart, MDSpringfield, OR 974771861471054
- Michelle Birdseye, M.D.Springfield, OR 974771467422485
- Geetha Gangu, MDSpringfield, OR 974771235102138
- Peter Ganter, M.D.Springfield, OR 974771093792673
- Benjamin Huneycutt, M.D.Springfield, OR 974771023050549
- Anne Jacques, MDSpringfield, OR 974771740258748
- Michael Kraynyak, M.D.Springfield, OR 974771225005093
- Luis Leyton-Gonzalez, M.D.Springfield, OR 974771013911601
Common questions
What is Marc Joseph Coz Zarraga, MD's NPI number?
Marc Joseph Coz Zarraga, MD's National Provider Identifier (NPI) is 1134360845, issued on Mar 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marc Joseph Coz Zarraga, MD located?
The NPPES record lists a practice address at 3333 Riverbend Dr, Springfield, OR, 97477. Phone: (541) 222-6389. Providers update this record themselves, so call before visiting.
How can I verify Marc Joseph Coz Zarraga, MD's license?
NPPES lists Oregon license number MD156561, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Joseph Coz Zarraga, MD prescribe under Medicare Part D?
In 2024, Marc Joseph Coz Zarraga, MD had 177 Medicare Part D claims for 67 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.