Daniel L. Marier, MD
Internal Medicine Physician · Pendleton, OR
Daniel L. Marier, MD is an internal medicine physician with a practice address in Pendleton, Oregon, and NPI 1528058369, issued on Oct 24, 2005. Check the license (Oregon 14200, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel L. Marier
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14200 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Southgate, Pendleton, OR 97801
- Phone
- (541) 276-1911
- Enumerated
- Oct 24, 2005
- Record last updated
- Sep 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (541) 276-3577
- Medicaid ID
- 10067-7 RI
- Medicare enrollment
- Enrolled (PECOS I20100420000374); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 1100 Southgate
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel L. Marier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 14200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
550 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Buprenorphine-Naloxone130 claims
- Buprenorphine Hcl38 claims
- Hydrocodone-Acetaminophen36 claims
- Quetiapine Fumarate Er32 claims
- Diazepam30 claims
- Fluoxetine Hcl24 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
- Oregon Washington Health NetworkPendleton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel L. Marier among 2,116 internal medicine physician records in Oregon
Daniel L. Marier, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1975 · median 2008 among the 1,232 with a school on file
- Record last updated2008 · 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).
6 internal medicine physician records list a practice address in Pendleton
They are 6 of the 761 NPPES records with a practice address in Pendleton, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Pendleton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arian Kargar, DOPendleton, OR 978011619967460
- Andrew Picken, M.D.Pendleton, OR 978011770963217
- Cody Sellers, D.O.Pendleton, OR 978011346942380
- W. Sitz, MDPendleton, OR 978011871575720
- Malcolm Townsley, MDPendleton, OR 978011609866458
- Charles Hofmann, MDBaker City, OR 978141750381224
- Robert Boss, M.D.Boardman, OR 978181013900646
- Scott Siebe, MDEnterprise, OR 978281568455822
Common questions
What is Daniel L. Marier, MD's NPI number?
Daniel L. Marier, MD's National Provider Identifier (NPI) is 1528058369, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel L. Marier, MD located?
The NPPES record lists a practice address at 1100 Southgate, Pendleton, OR, 97801. Phone: (541) 276-1911. Providers update this record themselves, so call before visiting.
How can I verify Daniel L. Marier, MD's license?
NPPES lists Oregon license number 14200, 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 Daniel L. Marier, MD prescribe under Medicare Part D?
In 2024, Daniel L. Marier, MD had 550 Medicare Part D claims for 46 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.
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.