NPPES file of Aug 9, 2026

Rui-Min Diana Mao, MD

Surgery Physician · Portland, OR

Rui-Min Diana Mao, MD is a surgery physician with a practice address in Portland, Oregon, and NPI 1235796673, issued on May 21, 2019. Check the license (Oregon BP10066743, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235796673
Name
Rui-Min Diana Mao
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
BP10066743 OR
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-8311
Enumerated
May 21, 2019
Record last updated
Jun 13, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

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 Rui-Min Diana Mao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license BP10066743
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

40% fewer Medicare Part D claims than the average surgery physician in 2024

88 Medicare Part D claims for 54 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Rui-Min Mao88
  2. Specialty average147

Most prescribed

  1. Tramadol Hcl19 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.

Industry payments in 2024: $305.00

1 payment: education; the largest payer was Medical Device Business Services, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rui-Min Mao$305.00
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Surgery Physician providers in Oregon

There are 524 surgery physician records in Oregon.

Other surgery physician records in Oregon

  1. Pedro Abdala, MDStayton, OR1700415932
  2. Shaan Akhtar, M.D.Redmond, OR1790165876
  3. Shaghayegh Aliabadi, M.D.Portland, OR1083785562
  4. Julianne Allen, MDMedford, OR1467816363
  5. Carrie Allison, MDSalem, OR1548487184
  6. Steffan Anderson, M.D., PH.D.Florence, OR1336292549
  7. Taylor Anderson, MDPortland, OR1225614688
  8. John Antolik, MDOregon City, OR1417927351
  9. Stephen Archer, M.D.Bend, OR1699750307
  10. Benjamin Arndt, RNFASalem, OR1871156588

Common questions

What is Rui-Min Diana Mao, MD's NPI number?

Rui-Min Diana Mao, MD's National Provider Identifier (NPI) is 1235796673, issued on May 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Rui-Min Diana Mao, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8311. Providers update this record themselves, so call before visiting.

How can I verify Rui-Min Diana Mao, MD's license?

NPPES lists Oregon license number BP10066743, 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 Rui-Min Diana Mao, MD prescribe under Medicare Part D?

In 2024, Rui-Min Diana Mao, MD had 88 Medicare Part D claims for 54 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

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.