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. Dr. Knowles is fluent in English, and is currently seeing new patients. Dr. Knowles’s practice accepts Kaiser Permanente, Medicare 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
- 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
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
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:
- Esophageal Cancer
- Esophagus Cancer
- Malignant Neoplasm of Esophagus
- Gullet Cancer
ICD-10 Codes:
- C155: Malignant neoplasm of lower third of esophagus
Also known as:
- Other Post-Surgery Condition
- Postoperative State
- Recovery After Surgery
- Surgical Follow-up
ICD-10 Codes:
- Z98890: Other specified postprocedural states
What procedures does Dr. Knowles perform?
As a Surgeon, Dr. Knowles performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Laparoscopic Inguinal Hernia Repair
- Repair of Small Abdominal Hernia (Complicated)
- Laparoscopic Repair of Paraesophageal Hernia (No Mesh)
- Abdominal Hernia Repair with Mesh
- Keyhole Groin Hernia Surgery
- Minimally Invasive Hernia Repair
- Laparoscopic Hernioplasty
- Epigastric Hernia Repair
- Umbilical Hernia Surgery
- Incisional Hernia Repair with Mesh
- Strangulated Hernia Surgery
- Keyhole Paraesophageal Hernia Repair
- Laparoscopic Hiatal Hernia Repair
- Fundoplasty (Laparoscopic)
- Ventral Hernia Repair
- Umbilical Hernia Repair
- Incisional Hernia Repair
- Epigastric Hernia Surgery
CPT Codes:
- 49650: Laparoscopy, surgical; repair initial inguinal hernia
- 49592: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); less than 3 cm, incarcerated or strangulated
- 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
- 49593: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); 3 cm to 10 cm, reducible
Also known as:
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Upper Endoscopy with Injections
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- EGD with Submucosal Injections
- Esophagogastroduodenoscopy with Injections
- Stomach Scope with Medication
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
Also known as:
- Laparoscopic Gallbladder Removal
- Laparoscopic Gallbladder Removal with X-ray
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
- Cholecystectomy with Cholangiography
- Minimally Invasive Gallbladder Removal
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
- 47563: Laparoscopy, surgical; cholecystectomy with cholangiography
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
Also known as:
- Esophageal Motility Study
- Esophageal manometry
- Swallowing function test
- GERD test
- Esophageal pressure study
CPT Codes:
- 91010: Esophageal motility (manometric study of the esophagus and/or gastroesophageal junction) study with interpretation and report;
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)
Crown Cork and Seal Company
Express Scripts
Kaiser Permanente
Medicare
State of Tennessee
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, Legacy Salmon Creek Medical Center, Legacy Meridian Park Medical Center, PeaceHealth St. John Medical Center, Legacy Mount Hood Medical Center, Legacy Emanuel Medical Center which are a Castle Connolly Top Hospitals. 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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