NPPES file of Aug 9, 2026

Diane Demeter Knight, PHD, CPNP, APRN-RX

Pediatric Nurse Practitioner · Walla Walla, WA

Diane Demeter Knight, PHD, CPNP, APRN-RX is a pediatric nurse practitioner with a practice address in Walla Walla, Washington, and NPI 1851535470, issued on Apr 27, 2009. Check the license (Washington AP60673491, 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
1851535470
Name
Diane Demeter Knight
Credential
PHD, CPNP, APRN-RX
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License numbers
AP60673491 WA
APRN 301 APRN RX 51 HI
Self-reported in NPPES; status is on the state search
Practice location
55 W Tietan St, Walla Walla, WA 99362
Phone
(509) 525-3720
Enumerated
Apr 27, 2009
Record last updated
Jul 21, 2022
Fax
(509) 522-1593
Medicaid ID
2067291 WA
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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8 nearest pediatric nurse practitioner records → All 502 in Washington → Look up another NPI →

Also registered at 55 W Tietan St

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

  1. Kevin Andrews, MDInternal Medicine Physician1174513873
  2. Shirley Ashley, MDPediatrics Physician1922083195
  3. Eric Ball, M.D.Internal Medicine Physician1275507485
  4. Thomas Ballard, MDDiagnostic Radiology Physician1750360012
  5. Theodore Bergstrom, M.D.Pediatrics Physician1598739716
  6. Barbara Blankenship, M.D.Diagnostic Radiology Physician1356305262

Verify Diane Demeter Knight 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 AP60673491    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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Industry payments in 2024: $16.77

1 payment: food and beverage; the largest payer was Pfizer Inc. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diane Knight$16.77
  2. Specialty average$330.95

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

Diane Demeter Knight among 502 pediatric nurse practitioner records in Washington

Diane Demeter Knight, PHD, CPNP, APRN-RX is one of 502 pediatric nurse practitioner records with a practice address in Washington. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 34% of them.

  • NPI issued2009 · 34% of these records are older, 62% newer
  • In a Medicare fileYes · 22% of these records are
  • In the CMS Doctors and Clinicians fileNo · 12% of these records are
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Washington

There are 502 pediatric nurse practitioner records in Washington.

All 502 in Washington → Every provider in Walla Walla → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Elizabeth BolandWalla Walla, WA 993621477871820
  2. Rachel Marsh, ARNPWalla Walla, WA 993621184600819
  3. Delila Ojeda, ARNPWalla Walla, WA 993621013993666
  4. Sydney Rea, CPNP-PCWalla Walla, WA 993621770142416
  5. Katherine Slettvet, ARNPWest Richland, WA 993531164845137
  6. Shawna Byrnes, ARNPRichland, WA 993521780052332
  7. Lindsey Grabner, ARNPRichland, WA 993521629238324
  8. Icel Sullivan, ARNPRichland, WA 993521770116436

Common questions

What is Diane Demeter Knight, PHD, CPNP, APRN-RX's NPI number?

Diane Demeter Knight, PHD, CPNP, APRN-RX's National Provider Identifier (NPI) is 1851535470, issued on Apr 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Diane Demeter Knight, PHD, CPNP, APRN-RX located?

The NPPES record lists a practice address at 55 W Tietan St, Walla Walla, WA, 99362. Phone: (509) 525-3720. Providers update this record themselves, so call before visiting.

How can I verify Diane Demeter Knight, PHD, CPNP, APRN-RX's license?

NPPES lists Washington license number AP60673491, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.