George Apostolopoulos, M.D.
Emergency Medicine Physician · Portland, OR
George Apostolopoulos, M.D. is an emergency medicine physician with a practice address in Portland, Oregon, and NPI 1134495625, issued on Mar 28, 2012. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- George Apostolopoulos
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 9155 SW Barnes RD Ste 420, Portland, OR 97225
- Phone
- (503) 297-6334
- Enumerated
- Mar 28, 2012
- Entity
- Type 1 · individual
Also registered at 9155 SW Barnes RD Ste 420
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittany Arnold, MDStudent in an Organized Health Care Education/Training Program1851731673
- Miranda Brown, MDEmergency Medicine Physician1760131445
- Amanda Munk, M.D.Emergency Medicine Physician1811160385
- Alexandra Reinbold, MDStudent in an Organized Health Care Education/Training Program1831696319
- Nicolas Stadlberger, MDEmergency Medicine Physician1689091167
- John ThompsonMedical Toxicology (Emergency Medicine) Physician1336501584
Verify George Apostolopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
124 Medicare Part D claims for 93 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Cephalexin18 claims
- Oxycodone Hcl12 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 Medicare quality score for 2023: 100 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).
2 hospital and facility affiliations
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Emergency Medicine Physician providers in Oregon
There are 1,027 emergency medicine physician records in Oregon.
Other emergency medicine physician records in Oregon
- Andrew Adamski, MDRedmond, OR1306874011
- Darren Alexander, MDPortland, OR1487678256
- Kevin Allan, M.D.Springfield, OR1023549466
- McKaila Allcorn, DOLincoln City, OR1700197076
- Christopher Allen, MDOregon City, OR1467915843
- Jacoby Allen, D.O.Redmond, OR1396068748
- Krista Allen, DOSpringfield, OR1386101913
- Brad Anderson, M.D.Eugene, OR1295757516
- Misha Anderson, MDHillsboro, OR1063850881
- Steven Andescavage, D.O., M.P.H.Lincoln City, OR1548310436
Common questions
What is George Apostolopoulos, M.D.'s NPI number?
George Apostolopoulos, M.D.'s National Provider Identifier (NPI) is 1134495625, issued on Mar 28, 2012. An NPI identifies a provider in billing; it is not a license.
Where is George Apostolopoulos, M.D. located?
The NPPES record lists a practice address at 9155 SW Barnes RD Ste 420, Portland, OR, 97225. Phone: (503) 297-6334. Providers update this record themselves, so call before visiting.
How can I verify George Apostolopoulos, M.D.'s license?
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 George Apostolopoulos, M.D. prescribe under Medicare Part D?
In 2024, George Apostolopoulos, M.D. had 124 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
What is George Apostolopoulos, M.D.'s Medicare quality score?
The 2023 MIPS final score is 100 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.