NPPES file of Aug 9, 2026

Sophia Tam, M.D.

Trauma Surgery Physician · Portland, OR

Sophia Tam, M.D. is a trauma surgery physician with a practice address in Portland, Oregon, and NPI 1225425085, issued on Apr 20, 2015. Check the license (Oregon MD224915, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225425085
Name
Sophia Tam
Credential
M.D.
Primary taxonomy
Trauma Surgery Physician 2086S0127X
License numbers
MD224915 OR
11607558-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-5300
Enumerated
Apr 20, 2015
Record last updated
Aug 4, 2026
Medicare enrollment
Enrolled (PECOS I20250618002535); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify Sophia Tam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD224915
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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50% fewer Medicare Part D claims than the average trauma surgery physician in 2024

24 Medicare Part D claims, against an average of 48 among the 447 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Sophia Tam24
  2. Specialty average48

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 MIPS final score for 2023 (Medicare payment program): 91.3 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.

  1. Qualityout of 100 · 30% of the final score74.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.7
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $55.00

1 payment: food and beverage; the largest payer was Clr Medical, Inc. The 762 providers of this specialty with any payment received $2,324.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sophia Tam$55.00
  2. Specialty average$2,324.59

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

  1. University Professional ServicesPortland, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Trauma Surgery Physician providers in Oregon

There are 21 trauma surgery physician records in Oregon.

Other trauma surgery physician records in Oregon

  1. Karen Brasel, MDPortland, OR1073564423
  2. Albert Chi, MDPortland, OR1285802009
  3. John Fletcher, MDPortland, OR1134566037
  4. Marika Gassner, D.OBend, OR1730345331
  5. Anthony Hayes, MDPortland, OR1275978645
  6. Reynold Henry, MD, MPHPortland, OR1982131058
  7. Tracey Kim, MDSalem, OR1437546306
  8. Michael Lallemand, M.D.Portland, OR1417393489
  9. Claire Lauer, M.D.Springfield, OR1720511181
  10. West Livaudais, MDSalem, OR1194828533

Common questions

What is Sophia Tam, M.D.'s NPI number?

Sophia Tam, M.D.'s National Provider Identifier (NPI) is 1225425085, issued on Apr 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Sophia Tam, M.D. located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-5300. Providers update this record themselves, so call before visiting.

How can I verify Sophia Tam, M.D.'s license?

NPPES lists Oregon license number MD224915, 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 Sophia Tam, M.D. prescribe under Medicare Part D?

In 2024, Sophia Tam, M.D. had 24 Medicare Part D claims; the average among trauma surgery physician prescribers was 48. Part D covers Medicare prescriptions only.

What is Sophia Tam, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.3 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.