22 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Brennan, Surgeon in Neenah, WI?
Dr. Patrick Brennan, MD is a Surgeon, who primarily practices in Neenah, WI with 1 additional practice location. He has been practicing for over 22 years and is board certified by the American Board of Surgery. Dr. Brennan graduated from New Jersey College of Dentistry and completed his residency at Loyola Univ Med Ctr, General Surgery. Dr. Brennan is fluent in English, and is currently seeing new patients. Dr. Brennan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office at (920) 725-4527.
Where did Dr. Brennan go to medical school and complete their residency?
Residency: Loyola Univ Med Ctr, General Surgery | Loyola University Medical Center Program
Medical School: University of Wi Med Sch, Madison Wi | New Jersey College of Dentistry
Is Dr. Brennan board certified in Surgeon?
Yes, Dr. Patrick Brennan, MD is board certified by the American Board of Surgery
What languages does Dr. Brennan speak?
Dr. Brennan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Brennan treat?
As a Surgeon, Dr. Brennan 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. Brennan. 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:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
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:
- Groin Hernia (One Side)
- Diaphragmatic Hernia
- Umbilical Hernia
- Hernia
- Inguinal Hernia
- Unilateral Inguinal Hernia
- Single Groin Hernia
- Hernia in One Groin
- Hiatal Hernia
- Hernia of the Diaphragm
- Belly Button Hernia
- Navel Hernia
- Umbilical Rupture
ICD-10 Codes:
- K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K449: Diaphragmatic hernia without obstruction or gangrene
- K429: Umbilical hernia without obstruction or gangrene
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Peripheral Artery Disease
- PVD
- PAD
- Poor Circulation in Legs
- Blocked Leg Arteries
ICD-10 Codes:
- I739: Peripheral vascular disease, unspecified
Also known as:
- Rectal Bleeding
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
- K921: Melena
Also known as:
- Abdominal Pain
- Upper Middle Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
- R1013: Epigastric pain
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:
- Chronic Venous Insufficiency
- Vascular Disease
- CVI
- Venous Reflux Disease
- Leg Vein Incompetence
- Peripheral Venous Insufficiency
ICD-10 Codes:
- I872: Venous insufficiency (chronic) (peripheral)
Also known as:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Gallstones
- Cholelithiasis
- Gallbladder stones
- Biliary calculi
ICD-10 Codes:
- K8020: Calculus of gallbladder without cholecystitis without obstruction
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:
- Acute Appendicitis
- Appendicitis
- Inflamed Appendix
- Sudden Appendix Inflammation
- Appendicitis Attack
ICD-10 Codes:
- K3580: Unspecified acute appendicitis
Also known as:
- Varicose Veins
- Spider Veins
- Venous Insufficiency
- Chronic Venous Disease
ICD-10 Codes:
- I83813: Varicose veins of bilateral lower extremities with pain
Which procedures does Dr. Brennan perform as a Surgeon?
As a Surgeon, procedures performed by a Dr. Patrick Brennan 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. Brennan's office.
Does Dr. Brennan accept my insurance?
Dr. Brennan accepts most major insurance plans. Important: Please call our office at (920) 725-4527 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Brennan accept in Neenah, WI?
Dr. Brennan in Neenah, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Affinity Health System
Centene
Department of Veterans Affairs
Elevance Health Inc. (formerly Anthem)
Health Partners Plans
Humana
Medicare
Network Health
State of Wisconsin
UnitedHealthcare
View All Insurances
Where is Dr. Brennan's office located?
Dr. Patrick Brennan's Primary Practice
100 Theda Clark Medical Plz Ste 400
Neenah, WI 54956
(920) 725-4527
What is Dr. Brennan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Brennan's National Provider Identifier (NPI) number is 1104876945.
What common questions do patients ask about Dr. Brennan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Brennan
What is Dr. Patrick Brennan's specialty?
Dr. Brennan is a Surgeon near Neenah, WI. 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. Brennan to book an appointment today.
Is this Dr. Patrick Brennan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Brennan is affiliated with Thedacare Regional Medical Center-Neenah, Thedacare Regional Medical Center-Appleton 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 Patrick Brennan accepting new patients in Neenah, WI?
Yes, Dr. Patrick Brennan is accepting new patients at this time.
Does Dr. Patrick Brennan offer online booking?
Please contact Dr. Brennan's office at (920) 725-4527 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Patrick Brennan?
Please contact Dr. Brennan's office at (920) 725-4527 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Patrick Brennan have?
Dr. Patrick Brennan is certified by the American Board of Surgery.
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