PEGGY A. KNOWLES ARNP
NPI 1821468448
Nurse Practitioner - Primary Care in Vancouver, WA

Active since September 25, 2015PECOS Enrolled
415 SE 177TH AVE, VANCOUVER, WA 98683(360) 980-2441(877) 491-4990 Get Directions Write a Review

NPPES record last updated: October 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2024, Dec 21, 2021 (2 updates tracked since 2021).

About Peggy A. Knowles Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PEGGY A. KNOWLES ARNP (NPI 1821468448) is an individual primary care provider in Vancouver, Washington, licensed in Washington (AP60605303) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821468448
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NamePEGGY A. KNOWLESCredential: ARNP
Location Address415 SE 177TH AVEVancouver, WA 98683-4201
Mailing AddressPo Box 728Camas, WA 98607-0728 · (360) 980-2441 · Fax (877) 491-4990
Fax(877) 491-4990
Sole ProprietorYes
Enumeration DateSeptember 25, 2015
Last NPPES UpdateOctober 8, 20242 updates tracked since enumeration
NPPES CertifiedOctober 8, 2024
✔ NPI 1821468448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in WA · AP60605303
Also ListedRegistered NurseTaxonomy 163W00000X · License RN60511802 (WA)
415 SE 177TH AVE, Vancouver, WA 98683

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Peggy A. Knowles Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Peggy Knowles reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
415 SE 177TH AVE
Vancouver, WA 98683
  • Reassigned Medicare billing, Washington enrollment
  • 8 clinicians in this Medicare group
Internal Medicine
400 NE MOTHER JOSEPH PL
Vancouver, WA 98664
  • Reassigned Medicare billing, Washington enrollment
  • 915 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98683 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Assisted Living Facility
415 SE 177TH AVE
VANCOUVER, WA 98683
Massage Therapist
415 SE 177TH AVE
VANCOUVER, WA 98683
Family Medicine
415 SE 177TH AVE
VANCOUVER, WA 98683
Voluntary or Charitable
415 SE 177TH AVE
VANCOUVER, WA 98683
Physical Therapist
415 SE 177TH AVE
VANCOUVER, WA 98683
Mechanotherapist
415 SE 177TH AVE
VANCOUVER, WA 98683
Massage Therapist
415 SE 177TH AVE
VANCOUVER, WA 98683
Nurse Practitioner
415 SE 177TH AVE
VANCOUVER, WA 98683

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peggy Knowles's NPI number?

The NPI number for Peggy Knowles is 1821468448. It was assigned to this individual provider in the NPPES registry on September 25, 2015.

Where is Peggy Knowles located?

Peggy Knowles practices at 415 SE 177th Ave, Vancouver, WA 98683. The listed phone number is (360) 980-2441.

What is Peggy Knowles's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Peggy Knowles enrolled in Medicare?

Yes. Peggy Knowles is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Peggy Knowles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peggy Knowles reassigns Medicare benefits to 2 organizations: Mobile Healthcare Providers Northwest (Vancouver, WA) and South Sound Inpatient Physicians PLLC (Vancouver, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peggy Knowles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peggy Knowles was last updated on October 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.