NPPES file of Aug 9, 2026

Marina Arbuck, M.D.

Internal Medicine Physician · Corvallis, OR

Marina Arbuck, M.D. is an internal medicine physician with a practice address in Corvallis, Oregon, and NPI 1992894851, issued on Oct 11, 2006. Check the license (Oregon MD179820, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992894851
Name
Marina Arbuck
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD179820 OR
MD00042758 WA
Self-reported in NPPES; status is on the state search
Practice location
3680 NW Samaritan Dr, Corvallis, OR 97330
Phone
(541) 754-1262
Enumerated
Oct 11, 2006
Record last updated
May 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
500723367 OR
Medicare enrollment
Enrolled (PECOS I20240910000487); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →

Also registered at 3680 NW Samaritan Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lindsay Alaishuski, M.D.Family Medicine Physician1083811954
  2. Michael Allender, MDPediatrics Physician1679522692
  3. Brian Andrew, PA-CPhysician Assistant1891276630
  4. Steven Athay, M.D.Internal Medicine Physician1477502375
  5. Daniel Barrett, M.D.Family Medicine Physician1386694776
  6. Diana Barron, M.D.Sleep Medicine (Family Medicine) Physician1588607600

Verify Marina Arbuck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD179820    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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72% fewer Medicare Part D claims than the average internal medicine physician in 2024

892 Medicare Part D claims for 263 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. Marina Arbuck892
  2. Specialty average3,176

Most prescribed

  1. Gabapentin46 claims
  2. Lisinopril35 claims
  3. Levothyroxine Sodium31 claims
  4. Amlodipine Besylate29 claims
  5. Atorvastatin Calcium29 claims
  6. Losartan Potassium27 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.

One hospital affiliation

  1. Adventist Health Mendocino CoastFort Bragg, CA · Critical Access Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Marina Arbuck among 2,116 internal medicine physician records in Oregon

Marina Arbuck, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1982 · median 2008 among the 1,232 with a school on file
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

129 internal medicine physician records list a practice address in Corvallis

They are 129 of the 4,096 NPPES records with a practice address in Corvallis, and 2,116 internal medicine physician records in Oregon.

All 2,116 in Oregon → Every provider in Corvallis → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Steven Athay, M.D.Corvallis, OR 973301477502375
  2. Lynn Bentson, M.D, MACPCorvallis, OR 973301619916483
  3. Charlene Carroll, M.D.Corvallis, OR 973301275577769
  4. Brian Curtis, M.D.Corvallis, OR 973301245289115
  5. Ulrike Guempel, M.D.Corvallis, OR 973301912956897
  6. Kien Huynh, M.D.Corvallis, OR 973301619918034
  7. Janel Lawrence, M.D.Corvallis, OR 973301184673998
  8. Libor Pavlosek, M.D.Corvallis, OR 973301376510420

Common questions

What is Marina Arbuck, M.D.'s NPI number?

Marina Arbuck, M.D.'s National Provider Identifier (NPI) is 1992894851, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marina Arbuck, M.D. located?

The NPPES record lists a practice address at 3680 NW Samaritan Dr, Corvallis, OR, 97330. Phone: (541) 754-1262. Providers update this record themselves, so call before visiting.

How can I verify Marina Arbuck, M.D.'s license?

NPPES lists Oregon license number MD179820, 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 Marina Arbuck, M.D. prescribe under Medicare Part D?

In 2024, Marina Arbuck, M.D. had 892 Medicare Part D claims for 263 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.