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Family Practice

Richard D. Knowles, MD

Works at hospitals in Vancouver, WA · Portland, OR · Washington, Oregon

Summary

Richard D. Knowles, MD (Family Practice) is listed by Medicare at 3 hospitals in Vancouver, WA and Portland, OR. NPI 1225113236. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Richard D. Knowles, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
MaleGender (as listed)
Sea Mar Community Health CentersGroup practice

Quick answers

Which hospitals does Richard D. Knowles work at?
Medicare's official clinician data lists Richard D. Knowles at 3 hospitals: Legacy Salmon Creek Medical Center, PeaceHealth Southwest Medical Cente and Providence Portland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard D. Knowles see patients?
Medicare's clinician data lists 3 practice locations, including Mount Vernon, WA and Vancouver, WA. Call before your visit to confirm the address.
What is Richard D. Knowles's specialty?
Medicare lists Family Practice as the primary specialty.
Does Richard D. Knowles accept Medicare assignment?
Yes. Medicare's clinician data says Richard D. Knowles accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Richard D. Knowles offer telehealth?
Medicare's clinician data says Richard D. Knowles offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Richard D. Knowles?
(360) 428-4075, as listed in official Medicare / NPI Registry data.
What is Richard D. Knowles's NPI number?
1225113236. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard D. Knowles works

Medicare's Facility Affiliation Data lists Richard D. Knowles at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Richard D. Knowles is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Richard D. Knowles as a member of this group (CMS data updated 2026-10-02).

  • Sea Mar Community Health Centers230 clinicians in the group

Specialties

Find other Family Practice doctors in Washington →

Other family doctors in Mount Vernon

Clinicians with the same Medicare primary specialty in Mount Vernon, WA — not a recommendation.

All family doctors in Mount Vernon →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225113236
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians