NPPES file of Aug 9, 2026

Cassandra Kasten-Arias, MD

Family Medicine Physician · Hillsboro, OR

Cassandra Kasten-Arias, MD is a family medicine physician with a practice address in Hillsboro, Oregon, and NPI 1609468222, issued on Feb 4, 2021. Check the license (Oregon MD225567, 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
1609468222
Name
Cassandra Kasten-Arias
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD225567 OR
A190267 CA
Self-reported in NPPES; status is on the state search
Practice location
226 SE 8TH Ave, Hillsboro, OR 97123
Phone
(503) 601-7400
Enumerated
Feb 4, 2021
Record last updated
Jul 8, 2025
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 226 SE 8TH Ave

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

  1. Mari Alexander, PA-C, LMFTPhysician Assistant1013055995
  2. Sharon Allen, LPCProfessional Counselor1588075147
  3. Daniel Alvarez VargasPhysician Assistant1285172775
  4. Monica Arce, RN, MNAdvanced Practice Midwife1376723270
  5. Soledad Ayres, MDFamily Medicine Physician1346405099
  6. Jeniffer BarrientosCounselor1134894876

Verify Cassandra Kasten-Arias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD225567
    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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95% fewer Medicare Part D claims than the average family medicine physician in 2024

178 Medicare Part D claims for 40 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Cassandra Kasten-Arias178
  2. Specialty average3,544

Most prescribed

  1. Lisinopril13 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.

Cassandra Kasten-Arias among 2,847 family medicine physician records in Oregon

Cassandra Kasten-Arias, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2025 · 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 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

106 family medicine physician records list a practice address in Hillsboro

They are 106 of the 3,302 NPPES records with a practice address in Hillsboro, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Geoffrey Carden, MDHillsboro, OR 971231669453460
  2. Alan Compton, M.D.Hillsboro, OR 971231750475455
  3. Stuart Currie, M.D.Hillsboro, OR 971231689645061
  4. Teresa Gipson, MDHillsboro, OR 971231265444871
  5. Marion Hull, MDHillsboro, OR 971231295775278
  6. Andrew Janssen, M.D.Hillsboro, OR 971231003891524
  7. Andrea Janssen, MD26115Hillsboro, OR 971231831131713
  8. Daniel Jarman-Miller, M.D.Hillsboro, OR 971231942374053

Common questions

What is Cassandra Kasten-Arias, MD's NPI number?

Cassandra Kasten-Arias, MD's National Provider Identifier (NPI) is 1609468222, issued on Feb 4, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Kasten-Arias, MD located?

The NPPES record lists a practice address at 226 SE 8TH Ave, Hillsboro, OR, 97123. Phone: (503) 601-7400. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Kasten-Arias, MD's license?

NPPES lists Oregon license number MD225567, 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 Cassandra Kasten-Arias, MD prescribe under Medicare Part D?

In 2024, Cassandra Kasten-Arias, MD had 178 Medicare Part D claims for 40 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.