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Clinic Type

Family Medicine

Address

Sumner, Washington area (heart of Sumner)

Phone

206.839.7944

Email

blake@cornerstonemed.us

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Family Medicine
  • Primary Care
  • General Medicine

Team

  • Dr. Waldo Dagan, MD — Founder / Physician

Insurance & Payment

Cash, Credit Card, Insurance

Languages Spoken

  • English

Current Offers

New Patient Welcome — null

FAQs

What services does Cornerstone Medical Clinic offer?

Family Medicine and primary care services in a patient-centered environment.

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • BestProsInTown: Generally positive reviews citing excellent service and competent care (25 reviews (on BestProsInTown))
  • Healthgrades: N/A (21 ratings)

Patients praise

  • Attentive and caring primary care physicians, particularly Dr. Dagan
  • Patients appreciate doctors who listen and take their time during consultations
  • Helpful and kind front desk staff members (notably specific employees)
  • Convenient location and accessible online appointment booking

Common complaints

  • Occasional negative experiences with front desk staff performance and communication
  • Reports of difficulty maintaining consistent appointments or getting through to the office

"Patients praise Dr. Dagan and his staff for being courteous and competent."

BestProsInTown

"Cornerstone Medical Clinic in Sumner, WA comes highly recommended for those seeking a primary care physician who listens and takes their time with patients."

Nextdoor

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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