Summary

Dr. John Alferes is an internal medicine physician who graduated from Oregon Health & Science University School of Medicine and completed his residency at Providence Medical Center. With 44 years of experience in internal medicine, he brings extensive knowledge to patient care. Dr. Alferes speaks English and has built his career focusing on comprehensive adult healthcare.

Dr. Alferes practices at multiple locations in Oregon and Washington, including Kaiser Permanente Sunnyside Medical Center, PeaceHealth Southwest Medical Center, and Legacy Salmon Creek Medical Center. His services span Portland and Vancouver areas. He specializes in treating urinary incontinence conditions in both men and women. Dr. Alferes also provides preventive care through flu vaccinations and offers virtual care options for patient convenience. Patients have given him an average rating of 1.5 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 1.5
  • 44 years of experience
  • speaks English
  • Providence Medical Center
  • 1 written review
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 3 hospital affiliations
  • 5 office locations
  • Male

Office Locations

Dr. John Alferes has 5 locations

Kaiser Permanente Interstate Medical Office East

3550 N Interstate AvePortland, OR 97227
Mon8:00 am - 10:00 pm
Tue8:00 am - 10:00 pm
Wed8:00 am - 10:00 pm
Thu8:00 am - 10:00 pm
Fri8:00 am - 10:00 pm
Sat9:00 am - 6:00 pm
Sun9:00 am - 6:00 pm

Kaiser Permanente Salmon Creek Medical Office

14406 NE 20th AveVancouver, WA 98686
Mon7:00 am - 6:00 pm
Tue7:00 am - 6:00 pm
Wed7:00 am - 6:00 pm
Thu7:00 am - 6:00 pm
Fri7:00 am - 6:00 pm
SatClosed
SunClosed

Legacy Salmon Creek Medical Center

2211 Ne 139th StVancouver, WA 98686

Peacehealth Southwest Medical Center

400 Ne Mother Joseph PlVancouver, WA 98664

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Dr. John Alferes, MD
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Dr. John Alferes, MDDr. Adama Diarra, DODr. Merrill Harris, MDDr. Ying Long, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
1.5 
44 Years of Experience 14 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, French, Bambara
Portland , ORTigard , ORPortland , ORPortland , OR
Med School: Oregon Health & Science University School Of Medicine Med School: Arizona College of Osteopathic Medicine Med School: The University of Southern California Keck School of Medicine Med School: Xiangya School Of Medicine Central South University
Current Profile
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Insurance Plans Accepted by Dr. John Alferes

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Alferes has the following specialty

Specialty Expertise

Dr. John Alferes has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

44 Years Experience

MEDICAL LICENSE

Medical Doctor, Oregon, 2025, Expired

EDUCATION & TRAINING

Residency

Providence Medical Center

Medical School

Oregon Health & Science University School Of MedicineGraduated in 1982

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Frequently Asked Questions

How can I make an appointment with Dr. John Alferes?
You can find contact information for Dr. John Alferes here on Vitals.
Is Dr. John Alferes accepting new patients?
Dr. John Alferes is accepting new patients on Vitals. View Dr. John Alferes's profile on Vitals to make an appointment.
Does Dr. John Alferes accept virtual/telehealth appointments?
Dr. John Alferes has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. John Alferes affiliated with?
Dr. John Alferes is affiliated with Kaiser Permanente Sunnyside Medical Center, Peacehealth Southwest Medical Center, and Legacy Salmon Creek Medical Center.
What languages does Dr. John Alferes speak?
Dr. John Alferes speaks English.

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