Alexander R. Guimaraes, MD PHD
Diagnostic Radiology Physician · Portland, OR
Alexander R. Guimaraes, MD PHD is a diagnostic radiology physician with a practice address in Portland, Oregon, and NPI 1194791764, issued on Feb 24, 2006. Check the license (Oregon 167635, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alexander R. Guimaraes
- Credential
- MD PHD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 167635 OR
208245 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 418-0990
- Enumerated
- Feb 24, 2006
- Record last updated
- Sep 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 2039681 MA
- Medicare enrollment
- Enrolled (PECOS I20140811000518); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1999
- Entity
- Type 1 · individual
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Alexander R. Guimaraes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 167635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,445.00
3 payments; by number, the most common kind was consulting fee; the largest payer was BeiGene, Ltd. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diagnostic Radiology Physician providers in Oregon
There are 522 diagnostic radiology physician records in Oregon.
Other diagnostic radiology physician records in Oregon
- Aaron Abajian, MDClackamas, OR1942732300
- Maxwell Abbott, M.D.Salem, OR1174535090
- Travis Abele, MDBend, OR1871792168
- Darshan Acharya, M.D.Portland, OR1033173638
- Ralph Adams, M.D.Salem, OR1730357617
- Diwaker Agarwal, MDRoseburg, OR1770573057
- Sami Ahmed, DOPortland, OR1891374856
- Matthew Allen, M.D.La Grande, OR1558445239
- Scott Allen, M.D.Klamath Falls, OR1457508954
- Christopher Altenhofen, MDPortland, OR1043327547
Common questions
What is Alexander R. Guimaraes, MD PHD's NPI number?
Alexander R. Guimaraes, MD PHD's National Provider Identifier (NPI) is 1194791764, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alexander R. Guimaraes, MD PHD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 418-0990. Providers update this record themselves, so call before visiting.
How can I verify Alexander R. Guimaraes, MD PHD's license?
NPPES lists Oregon license number 167635, 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.
What is Alexander R. Guimaraes, MD PHD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. 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.