NPPES file of Aug 9, 2026

Katherine Sjostrom Bennett

Medical Physician Assistant · Seattle, WA

Katherine Sjostrom Bennett is a medical physician assistant with a practice address in Seattle, Washington, and NPI 1043581101, issued on Jan 21, 2012. Check the license (Washington PA 60414342, as entered in NPPES) with the Washington board that licenses this profession; 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
1043581101
Name
Katherine Sjostrom Bennett
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA 60414342 WA
Self-reported in NPPES; status is on the state search
Practice location
5316 Rainier Ave S, Seattle, WA 98118
Phone
(206) 721-5600
Enumerated
Jan 21, 2012
Record last updated
May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140430001877); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2013
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 5316 Rainier Ave S

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

  1. Stella BrittPharmacist1275676918
  2. Katherine Chatham, P.A.Physician Assistant1760526446
  3. Nicholas Dahlberg, LMHCMental Health Counselor1699207761
  4. Andrew Derksen-Schrock, MDFamily Medicine Physician1265680409
  5. Hong-Nhung Do, ARNPFamily Nurse Practitioner1003309683
  6. Richard Dobyns, M.D.Family Medicine Physician1396889457

Verify Katherine Sjostrom Bennett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PA 60414342
    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
Find the Washington license search

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30% fewer Medicare Part D claims than the average medical physician assistant in 2024

808 Medicare Part D claims for 128 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 67 claims were for opioids.

  1. Katherine Bennett808
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium62 claims
  2. Amlodipine Besylate39 claims
  3. Lisinopril33 claims
  4. Omeprazole32 claims
  5. Pantoprazole Sodium28 claims
  6. Metformin Hcl24 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: $59.94

1 payment: long term medical supply or device loan; the largest payer was Abbott Laboratories. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Bennett$59.94
  2. Specialty average$1,055.00

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

Bills Medicare through 3 group practices

  1. Kaiser Foundation Health Plan OF WashingtonSeattle, WA
  2. Select Outpatient Services IncGlenview, IL
  3. Select Rehabilitation, LLCGlenview, IL

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

Katherine Sjostrom Bennett among 1,068 medical physician assistant records in Washington

Katherine Sjostrom Bennett is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 61% of them.

  • NPI issued2012 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2013 · median 2013 among the 581 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Washington

There are 1,068 medical physician assistant records in Washington.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Erik Lind, PA-CSeattle, WA 981181770904443
  2. Kristen Novey, PA-CSeattle, WA 981191184943995
  3. Douglas Calf Robe, PA-CSeattle, WA 981161780622985
  4. Colin Cortado, PACSeattle, WA 981161679303192
  5. Amy Nelson, PA-CSeattle, WA 981161265480818
  6. William Baluch, P.A.Seattle, WA 981151467592121
  7. Melissa Boothe, P.A.-C.Seattle, WA 981151992129381
  8. Michele Hinatsu, ARNPSeattle, WA 981151265562573

Common questions

What is Katherine Sjostrom Bennett's NPI number?

Katherine Sjostrom Bennett's National Provider Identifier (NPI) is 1043581101, issued on Jan 21, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Sjostrom Bennett located?

The NPPES record lists a practice address at 5316 Rainier Ave S, Seattle, WA, 98118. Phone: (206) 721-5600. Providers update this record themselves, so call before visiting.

How can I verify Katherine Sjostrom Bennett's license?

NPPES lists Washington license number PA 60414342, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Sjostrom Bennett prescribe under Medicare Part D?

In 2024, Katherine Sjostrom Bennett had 808 Medicare Part D claims for 128 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.