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Dr. Thomas Knowles, MD
General Surgery* Age 41
Dr. Thomas Knowles, MD

Offers telehealth

Dr. Thomas Knowles, MD is a General Surgeon in Portland, OR.
Dr. Thomas Knowles, MD

Dr. Thomas Knowles, MD

General Surgery* Age 41
Portland, OR
Accepting new patients

Offers telehealth

Dr. Thomas Knowles, MD is a General Surgeon in Portland, OR.
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About Dr. Thomas Knowles, MD

Dr. Thomas Knowles, MD is a General Surgeon in Portland, OR. Dr. Knowles currently practices at Legacy Medical Group-General Surgery at Good Samaritan and is affiliated with Legacy Good Samaritan Medical Center. Dr. Knowles has experience treating conditions like Umbilical Hernia among other conditions at varying frequencies. Dr. Knowles's office accepts new patients and telehealth appointments. Dr. Knowles is board certified in General Surgery and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Experience Check

Enter a condition or procedure
Umbilical Hernia
Esophageal Cancer
Gallstones
Umbilical Hernia
Esophageal Cancer
Gallstones
Cholecystitis and Gallstones
Intestinal Obstruction
Esophagogastric Fundoplasty
Inguinal Hernia
Ventral Hernia
Gastroparesis
Diaphragmatic and Hiatal Hernia
Laparoscopic Appendectomy
Incisional Hernia
Soft Tissue Tumor Removal
Laparoscopic Inguinal Hernia Repair
Appendicitis
Lipomas
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Gallbladder Removal
Laparoscopic Gallbladder Removal (Cholecystectomy)
Obstructed Inguinal Hernia
Abdominal Pain
Laparoscopic Esophagogastric Fundoplasty
Port Placements or Replacements
Endoscopy
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Paraesophageal Hernia Repair, Laparoscopic
Duodenal Polypectomy
Paraesophageal Hernia Repair
Barrett's Esophagus
Gastric Ulcer
Stomach Cancer
Esophageal Achalasia and Cardiospasm
Wound Repair
Umbilical Hernia Repair Open
Intestinal Diverticulosis
Constipation
Laparoscopic Removal of Stones from Biliary Tract
Pelvic Abscess
Ileus
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Congenital Anomaly Esophagus
Acute Bowel Infarction
Adrenal Gland Cancer
Anal and Rectal Cancer
Anal or Rectal Pain
Anorectal Abscess
Ascites
  • View other providers who treat Ascites
Benign Mediastinal Tumor
Benign Pleural Neoplasm
Biliary Atresia
Biliary Tract Cancer
Bladder Diverticulum
Boerhaave's Syndrome
Bone Cancer
Bowel Strangulation
Breast Cancer
Breast Lump
Collapsed Lung (Pneumothorax)
Colorectal Cancer
Congenital Anomaly Intestine
Crohn's Disease
Empyema
  • View other providers who treat Empyema
Esophageal Diverticulum
Esophageal Varices
Gallbladder Cancer
Hiatal Hernia
Hiatal Hernia with Obstruction
Hidradenitis Suppurativa
Hyperparathyroidism
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Fistula
Ischemic Colitis
Liver Cancer
Lung Cancer
Neoplasm of Gastrointestinal Tract
Neuroendocrine Tumors
Non-Traumatic Brain Injury
Partial Lung Collapse
Peptic Ulcer
Peripheral Arterial Aneurysm
Peripheral Arterial Aneurysm and Dissection
Peripheral Vascular Disease (PAD, PVD)
Pleural Effusion
Primary Sclerosing Cholangitis
Pyloric Stenosis
Sclerosing Mesenteritis
Small Intestine Cancer
Soft Tissue Sarcoma
Stomach and Small Intestine Cancer
Thyroid Cancer
Thyroid Nodule
Ulcerative Colitis
Varicose Veins
Vascular Insufficiency of Intestines
Ventral Hernia with Gangrene
Abdominoplasty
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Adjacent Tissue Transfer
Adrenalectomy
Bile Duct Procedure
Biliary Drainage
Colectomy
Colostomy
Cyst Incision and Drainage
Decortication and Pleurectomy
Dressing and Debridement of Wound or Infection
Enterostomy (Laparoscopic or Open)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Esophagectomy (Esophagogastrostomy, Esophagojejunostomy)
Esophagomyotomy
Excision of Esophageal Lesion
Excision of Stomach Tumor
Femoral Hernia Repair, Open
Gastrectomy
Gastric Restrictive With Partial Gastrectomy or Jejunojejunostomy
Gastrotomy
Hernia Repair
Hysterectomy
Incision and Removal of Foreign Object
Intestinal Transplant (incl. Enterectomy)
Laparoscopic Incisional Hernia Repair
Laparoscopic Surgery for Achalasia
Laparoscopic Umbilical or Ventral Hernia Repair
Laparotomy
Liver Biopsy
Lymph Node Biopsy or Excision
Lymphadenectomy With Robotic Assistance
Nephrectomy
Open Appendectomy
Open Diaphragmatic or Paraesophageal Hiatal Hernia Repair
Open Gallbladder Removal (Cholecystectomy)
Open Incisional or Ventral Hernia Repair
Open Inguinal Hernia Repair
Open Lung Resection or Removal
Pancreas Surgeries
Puncture Aspiration
Renal Transplant
Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
Robotic Heller Myotomy for the Treatment of Achalasia
Skin Grafts
Sleeve Gastrectomy
Splenectomy
Thoracentesis
Thoracoscopic Wedge Resection
Vagotomy
  • View other providers who treat Vagotomy
Ventral Hernia Repair Laparoscopic
Ventral Hernia Repair Open
Video-Assisted Thoracoscopic Surgery (VATS) or Thoracotomy
Wedge Resection Colon
Wedge Resection Stomach

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • First Choice Health PPO
  • First Health (Coventry Health Care) PPO
  • Open Access Plus
    Cigna PPO
  • Heritage and Heritage Plus 1 PPO
    Heritage Prime HMO
    Heritage Signature
  • Preferred - OR PPO
    Preferred Provider Network - WA PPO
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • Blue Card PPO
  • Medica Choice
    Nexus Open Access
    Navigate POS
    SignatureValue - OR HMO
    Options PPO
    Choice Plus POS
    Navigate HMO
  • Premier Care Network Plus - Innovation Health
    Elect Choice (Open Access) EPO
    Open Choice PPO
    Choice Plus POS II
    Managed Choice (Open Access) POS
  • Connexus PPO
  • OR Healthnet PPO
    OR CommunityCare HMO
  • Blue High Performance Network

Where Dr. Thomas Knowles, MD Sees Patients

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Telehealth Options
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(503) 413-5725

Meet Dr. Thomas Knowles, MD

Specialties*
General Surgery
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
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FAQs About Dr. Knowles's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Thomas Knowles, MD. To arrange an appointment, call the number on Dr. Knowles's profile.

Dr. Thomas Knowles, MD is affiliated with Legacy Good Samaritan Medical Center.

Yes, Dr. Thomas Knowles, MD holds board certification in General Surgery.

Training & Medical Education
Board Certifications
  • General Surgery
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospitals Where Dr. Thomas Knowles, MD Practices

  • Legacy Good Samaritan Medical Center

    1015 NW 22nd Ave, Portland, OR

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