NPPES file of Aug 9, 2026

Katherine Sill Benjamin, PHD

Psychologist · Seattle, WA

Katherine Sill Benjamin, PHD is a psychologist with a practice address in Seattle, Washington, and NPI 1235706441, issued on Jun 7, 2021. Check the license (Washington PY61622203, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235706441
Name
Katherine Sill Benjamin
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
PY61622203 WA
Self-reported in NPPES; status is on the state search
Practice location
6901 Sand Point Way NE, Seattle, WA 98115
Phone
(206) 987-2000
Enumerated
Jun 7, 2021
Record last updated
Sep 23, 2025
Medicare enrollment
Enrolled (PECOS I20251106005105); may accept Medicare assignment
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 6901 Sand Point Way NE

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

  1. China Bolden Jarvis, PHDPsychologist1952909848
  2. Karis Casagrande, PHDClinical Psychologist1801425475
  3. Hannah Del CarpioSpeech-Language Pathologist1083476691
  4. Catherine Dick, PHDClinical Psychologist1225714579
  5. Kaitlyn DraftonIntellectual & Developmental Disabilities Psychologist1003796368
  6. Christopher Gomez, PHDMental Health Counselor1053298455

Verify Katherine Sill Benjamin 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 PY61622203
    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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Katherine Sill Benjamin among 1,089 psychologist records in Washington

Katherine Sill Benjamin, PHD is one of 1,089 psychologist records with a practice address in Washington. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 87% of them.

  • NPI issued2021 · 87% of these records are older, 10% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2024 · median 2009 among the 226 with a school on file
  • Record last updated2025 · 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 103T00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Washington

There are 1,089 psychologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Roma Anjoy, PH.D.Seattle, WA 981151073642047
  2. Julie Behrens, PSYDSeattle, WA 981151033158431
  3. China Bolden Jarvis, PHDSeattle, WA 981151952909848
  4. Mary Denny, PHDSeattle, WA 981151588758155
  5. Katie Gianapp, PHDSeattle, WA 981151972653335
  6. Robyn MetcalfeSeattle, WA 981151245725266
  7. Anna Meyer, PH.D.Seattle, WA 981151427250562
  8. Ellen Paek, PHDSeattle, WA 981151740439520

Common questions

What is Katherine Sill Benjamin, PHD's NPI number?

Katherine Sill Benjamin, PHD's National Provider Identifier (NPI) is 1235706441, issued on Jun 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Sill Benjamin, PHD located?

The NPPES record lists a practice address at 6901 Sand Point Way NE, Seattle, WA, 98115. Phone: (206) 987-2000. Providers update this record themselves, so call before visiting.

How can I verify Katherine Sill Benjamin, PHD's license?

NPPES lists Washington license number PY61622203, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. 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.