Registry data as of Aug 27, 2026

Sandra Barton, M.D.

Internal Medicine Physician · Tualatin, OR

Sandra Barton, M.D. is an internal medicine physician with a practice address in Tualatin, Oregon, and NPI 1881773893, issued on Nov 2, 2006. Check the license (Oregon MD 20459, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881773893
Name
Sandra Barton
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD 20459 OR
Self-reported in NPPES; status is on the state search
Practice location
19185 SW 90TH Ave, Tualatin, OR 97062
Phone
(503) 885-5348
Enumerated
Nov 2, 2006
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.
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Also registered at 19185 SW 90TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alicia Ahn, MDInternal Medicine Physician1811109283
  2. Nikki Alkire, LCSWClinical Social Worker1023124195
  3. Kristyn Anthony, M.D.Allergy & Immunology Physician1326364753
  4. Susan Aslani, MSPTOrthopedic Physical Therapist1760547426
  5. Tin Zar AungInternal Medicine Physician1194019190
  6. Rick Baldwin, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1962945329

Verify Sandra Barton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD 20459
    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.

12% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,438 Medicare Part D claims for 588 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 54 claims were for opioids.

  1. Sandra Barton2,438
  2. Specialty average2,785

Most prescribed

  1. Tamsulosin Hcl92 claims
  2. Atorvastatin Calcium79 claims
  3. Metoprolol Tartrate76 claims
  4. Pantoprazole Sodium72 claims
  5. Potassium Chloride60 claims
  6. Sertraline Hcl58 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: $117.77

1 payment, mostly food and beverage; the largest payer was Inspire Medical Systems, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sandra Barton$117.77
  2. Specialty average$2,536.66

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

43 internal medicine physician records list a Tualatin practice address

They are 43 of the 863 NPPES records with a Tualatin practice address, and 2,511 internal medicine physician records in Oregon.

Other internal medicine physician records in Oregon

  1. Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
  2. Soraya Abbassian, M.D.Portland, OR1225029184
  3. Nicholas Abbott, M.D.Tualatin, OR1124319330
  4. Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
  5. Rand AbedalweliPortland, OR1265019996
  6. Robert Abernathy, M.D.Bend, OR1063433449
  7. Hazel Jane Abool, M.D.Springfield, OR1346538360
  8. Mohamed Aboukhashan, MDMedford, OR1932350782
  9. Allison Abraham, D.O.Portland, OR1831488444
  10. Mary Abraham, MDCorvallis, OR1073876199

Common questions

What is Sandra Barton, M.D.'s NPI number?

Sandra Barton, M.D.'s National Provider Identifier (NPI) is 1881773893, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sandra Barton, M.D. located?

The NPPES record lists a practice address at 19185 SW 90TH Ave, Tualatin, OR, 97062. Phone: (503) 885-5348. Providers update this record themselves, so call before visiting.

How can I verify Sandra Barton, M.D.'s license?

NPPES lists Oregon license number MD 20459, 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 Sandra Barton, M.D. prescribe under Medicare Part D?

In 2024, Sandra Barton, M.D. had 2,438 Medicare Part D claims for 588 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

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.