Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Knowles, Surgeon in Portland, OR?
Dr. Thomas Knowles, MD is a Surgeon, who primarily practices in Portland, OR with 1 additional practice location. He is board certified. Dr. Knowles is fluent in English, and is currently seeing new patients. Dr. Knowles’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Knowles’s office at (503) 413-5725.
What languages does Dr. Knowles speak?
Dr. Knowles and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Knowles treat?
As a Surgeon, Dr. Knowles diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Knowles. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Diaphragmatic Hernia
- Groin Hernia (One Side)
- Umbilical Hernia
- Incisional Hernia
- Ventral Hernia
- Hernia
- Inguinal Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
- Unilateral Inguinal Hernia
- Single Groin Hernia
- Hernia in One Groin
- Belly Button Hernia
- Navel Hernia
- Umbilical Rupture
- Post-surgical Hernia
- Surgical Incision Hernia
- Scar Hernia
- Abdominal Wall Hernia
- Epigastric Hernia
- Spigelian Hernia
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
- K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K429: Umbilical hernia without obstruction or gangrene
- K432: Incisional hernia without obstruction or gangrene
- K439: Ventral hernia without obstruction or gangrene
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Achalasia
- Blocked Esophagus
- Esophageal Motility Disorder
- Esophagus Disorder
- Esophageal Achalasia
- Cardia Achalasia
- Difficulty Swallowing
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
- Esophageal Spasm
- Swallowing Disorder
- Dysphagia
ICD-10 Codes:
- K220: Achalasia of cardia
- K222: Esophageal obstruction
- K224: Dyskinesia of esophagus
Also known as:
- Esophageal Cancer
- Esophagus Cancer
- Malignant Neoplasm of Esophagus
- Gullet Cancer
- Esophageal Carcinoma
ICD-10 Codes:
- C155: Malignant neoplasm of lower third of esophagus
- C159: Malignant neoplasm of esophagus, unspecified
Also known as:
- Gallstones with Chronic Gallbladder Inflammation
- Bile Duct Disease
- Gallstones
- Chronic cholecystitis with gallstones
- Long-term gallbladder inflammation
ICD-10 Codes:
- K8010: Calculus of gallbladder with chronic cholecystitis without obstruction
Also known as:
- History of Other Digestive System Disease
- Digestive Disease
- Past GI Disorder
- Previous Digestive Problem
- History of Gastrointestinal Illness
ICD-10 Codes:
- Z8719: Personal history of other diseases of the digestive system
Also known as:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Gastroparesis
- Stomach Disorder
- Delayed Gastric Emptying
- Stomach Paralysis
- Gastric Motility Disorder
ICD-10 Codes:
- K3184: Gastroparesis
Also known as:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestines
- Gut Blockage
ICD-10 Codes:
- K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
Also known as:
- Bilateral Inguinal Hernia
- Hernia
- Inguinal Hernia
- Double Groin Hernia
- Hernia in Both Groins
- Non-obstructed Inguinal Hernia
ICD-10 Codes:
- K4020: Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Also known as:
- Trunk Lump or Swelling
- Body Mass
- Torso Lump
- Trunk Nodule
ICD-10 Codes:
- R222: Localized swelling, mass and lump, trunk
Which procedures does Dr. Knowles perform as a Surgeon?
As a Surgeon, procedures performed by a Dr. Thomas Knowles may include:
- Abdominal Wall Reconstruction
- Amputation
- Appendicitis / Appendectomy
- Brain Aneurysm Treatment
- Brain Surgery
- Brain Tumor Evaluation
- Central Line Placement
- Cerebral Shunt
For detailed information, please contact Dr. Knowles' office.
Does Dr. Knowles accept my insurance?
Dr. Knowles accepts most major insurance plans. Important: Please call our office at (503) 413-5725 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Knowles accept in Portland, OR?
Dr. Knowles in Portland, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cambia (Regence)
CareOregon
CVS Health (formerly Aetna)
Express Scripts
Kaiser Permanente
Medicare
UnitedHealthcare
Yamhill Community Care
View All Insurances
Where is Dr. Knowles' office located?
Dr. Thomas Knowles' Primary Practice
1130 NW 22nd Ave Ste 500
Portland, OR 97210
(503) 413-5725
What is Dr. Knowles's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Knowles's National Provider Identifier (NPI) number is 1114337466.
What common questions do patients ask about Dr. Knowles?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Knowles
What is Dr. Thomas Knowles's specialty?
Dr. Knowles is a Surgeon near Portland, OR. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Knowles to book an appointment today.
Is this Dr. Thomas Knowles affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Knowles is affiliated with Legacy Good Samaritan Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Surgeon?
Explore Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Thomas Knowles accepting new patients in Portland, OR?
Yes, Dr. Thomas Knowles is accepting new patients at this time.
Does Dr. Thomas Knowles offer online booking?
Please contact Dr. Knowles's office at (503) 413-5725 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Thomas Knowles?
Please contact Dr. Knowles's office at (503) 413-5725 for information regarding telehealth appointment availability or for scheduling assistance.
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