Alexander Marsh, MD
Emergency Medical Services (Emergency Medicine) Physician · Clackamas, OR
Alexander Marsh, MD is an emergency medical services (emergency medicine) physician with a practice address in Clackamas, Oregon, and NPI 1013990555, issued on Nov 29, 2005. Check the license (Oregon MD26322, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alexander Marsh
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License numbers
- MD26322 OR
01060628A IN
MARS102922 WA
Self-reported in NPPES; status is on the state search - Practice location
- 10180 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (503) 571-8488
- Enumerated
- Nov 29, 2005
- Record last updated
- Jan 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20170510001227); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 34 in Oregon → Look up another NPI →
Also registered at 10180 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Abajian, MDDiagnostic Radiology Physician1942732300
- Samer Abufadil, MDInternal Medicine Physician1750437653
- Jeremy Adler, M.D.Anatomic Pathology & Clinical Pathology Physician1548617483
- Alejandro Aguilar, PA-CPhysician Assistant1740940006
- Usman Ahmad, D.O.Internal Medicine Physician1326288697
- Hyun Jung AhnPhysical Therapist1245014703
Verify Alexander Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
419 Medicare Part D claims for 266 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 63 claims were for opioids.
Most prescribed
- Prednisone69 claims
- Hydrocodone-Acetaminophen49 claims
- Cephalexin36 claims
- Albuterol Sulfate Hfa31 claims
- Sulfamethoxazole-Trimethoprim31 claims
- Doxycycline Hyclate29 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Altru Health SystemGrand Forks, ND
- Good Shepherd Health Care SystemHermiston, OR
- Mercy Hospital OF Devils LakeDevils Lake, ND
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Marsh among 34 emergency medical services (emergency medicine) physician records in Oregon
Alexander Marsh, MD is one of 34 emergency medical services (emergency medicine) physician records with a practice address in Oregon. 62% 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, 91% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2002 · median 2002 among the 11 with a school on file
- Record last updated2026 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Oregon
There are 34 emergency medical services (emergency medicine) physician records in Oregon.
All 34 in Oregon → Every provider in Clackamas → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Salam Lehrfeld, DOClackamas, OR 970151528224722
- Michelle Shaw, M.D.Oregon City, OR 970451932302759
- Mark Stefanelli, M.D.Astoria, OR 971031366486912
- Miroslav Kavur, MDForest Grove, OR 971161609880046
- Stephen Moon, M.D.Forest Grove, OR 971161003890997
- Larry Wiedenhoft, EMTManzanita, OR 971301972139418
- Nikolas Jones, MDPortland, OR 972271417997107
- Brian Paskowski, MDPortland, OR 972291083648984
Common questions
What is Alexander Marsh, MD's NPI number?
Alexander Marsh, MD's National Provider Identifier (NPI) is 1013990555, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Marsh, MD located?
The NPPES record lists a practice address at 10180 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (503) 571-8488. Providers update this record themselves, so call before visiting.
How can I verify Alexander Marsh, MD's license?
NPPES lists Oregon license number MD26322, 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 Alexander Marsh, MD prescribe under Medicare Part D?
In 2024, Alexander Marsh, MD had 419 Medicare Part D claims for 266 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
What is Alexander Marsh, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.