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 (Oregon MD172560, as entered in NPPES) 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
- License number
- MD172560 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9155 SW Barnes RD Ste 420, Portland, OR 97225
- Phone
- (503) 297-6334
- Enumerated
- Mar 28, 2012
- Record last updated
- Nov 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150715000702); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
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.
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- Alexandra Reinbold, MDEmergency Medicine Physician1831696319
- Nicolas Stadlberger, MDEmergency Medicine Physician1689091167
- John ThompsonEmergency Medicine Physician1336501584
Verify George Apostolopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD172560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% 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 226 among the 54,106 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 MIPS final score for 2023 (Medicare payment program): 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).
Bills Medicare through 2 group practices
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Apostolopoulos among 1,079 emergency medicine physician records in Oregon
George Apostolopoulos, M.D. is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2012 · median 2013 among the 557 with a school on file
- Record last updated2018 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Oregon
There are 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Portland → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christopher Andrews, M.D.Portland, OR 972251124113808
- Julie Andrews, M.D.Portland, OR 972251497840185
- Kenneth Bizovi, M.D.Portland, OR 972251528153228
- Eric Brentlinger, M.D.Portland, OR 972251881782035
- Thomas Calverley, M.D.Portland, OR 972251174611222
- David Craig, M.D.Portland, OR 972251801982673
- Kenneth Dirk, M.D.Portland, OR 972251780770776
- Daniel Douglas, M.D.Portland, OR 972251932295938
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?
NPPES lists Oregon license number MD172560, 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 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 226. Part D covers Medicare prescriptions only.
What is George Apostolopoulos, M.D.'s MIPS final 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), 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.