Mark S. Harrington, MD
Hospitalist Physician · Gresham, OR
Mark S. Harrington, MD is a hospitalist physician with a practice address in Gresham, Oregon, and NPI 1659346252, issued on Feb 17, 2006. Check the license (Oregon 20725, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Harrington
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20725 OR
Self-reported in NPPES; status is on the state search - Practice location
- 24800 SE Stark St, Gresham, OR 97030
- Phone
- (503) 674-1580
- Enumerated
- Feb 17, 2006
- Record last updated
- Apr 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 134162 OR
- Entity
- Type 1 · individual
Also registered at 24800 SE Stark St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Acton, MDInternal Medicine Physician1861452765
- Stacia Akers, PTPhysical Therapist1083775845
- Deborah Alexander, MDInternal Medicine Physician1255369559
- Nicholas Beach, D.O.Internal Medicine Physician1568805786
- Jason Bell, MDEmergency Medicine Physician1265454086
- Daniel BergerEmergency Medicine Physician1073539359
Verify Mark S. Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 20725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average hospitalist physician in 2024
32 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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): 86 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).
Hospitalist Physician providers in Oregon
There are 471 hospitalist physician records in Oregon.
Other hospitalist physician records in Oregon
- Miran Abdulhadi, M.D.Medford, OR1205185600
- Hazel Jane Abool, M.D.Springfield, OR1346538360
- Anshu Aery, MDMedford, OR1295388387
- Chinar Agarwal, M.D.Salem, OR1265872691
- Algene Agustin, MDSpringfield, OR1154849446
- Zainab Aina-Shittu, MDMedford, OR1497399117
- Mudassir Akram, MDMedford, OR1164696969
- Ossama Al Masalmeh, M.D.Springfield, OR1851654776
- Lana Al-Rashdan, MDPortland, OR1497334643
- Ashly Albright, MDPortland, OR1720738396
Common questions
What is Mark S. Harrington, MD's NPI number?
Mark S. Harrington, MD's National Provider Identifier (NPI) is 1659346252, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Harrington, MD located?
The NPPES record lists a practice address at 24800 SE Stark St, Gresham, OR, 97030. Phone: (503) 674-1580. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Harrington, MD's license?
NPPES lists Oregon license number 20725, 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 Mark S. Harrington, MD prescribe under Medicare Part D?
In 2024, Mark S. Harrington, MD had 32 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Mark S. Harrington, MD's MIPS final score?
The 2023 MIPS final score is 86 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.