24 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mcguinness, Colon & Rectal Surgeon (Proctologist) in Walnut Creek, CA?
Dr. Brian Mcguinness, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Walnut Creek, CA with 2 additional practice locations. He has been practicing for over 24 years and is board certified. Dr. Mcguinness graduated from Tulane Univ School of Medicine and completed his residency at Oh State University Hospital. Dr. Mcguinness is fluent in English and Spanish, and is currently seeing new patients. Dr. Mcguinness’s practice accepts Kaiser Permanente, Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mcguinness’s office at (925) 274-9000.
What are Areas of Expertise for Dr. Mcguinness?
Dr. Brian Mcguinness, MD is a highly-rated, board-certified Colon & Rectal Surgeon (Proctologist) known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Mcguinness empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer, Inflammatory Bowel Disease, Minimally Invasive Surgery, and comprehensive wellness support. Serving the Walnut Creek, CA community, Dr. Mcguinness is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Mcguinness go to medical school and complete their residency?
Fellowship: University of Texas Colo-Rectal Clinic
Residency: Oh State University Hospital | Ohio State University Medical Center | University of Texas Health Science Center at Houston Program
Medical School: Tulane University of Louisiana -- | Tulane Univ School of Medicine
Is Dr. Mcguinness board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Brian Mcguinness, MD is board certified by the American Board of Surgery
What languages does Dr. Mcguinness speak?
Dr. Mcguinness and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Mcguinness typically treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Mcguinness 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. Mcguinness. 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. Learn more about our claims-based healthcare methodology here.
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:
- Unspecified Injury
- General injury
- Injury, unknown type
- Trauma
ICD-10 Codes:
- T1490XA: Injury, unspecified, initial encounter
Also known as:
- Acute Respiratory Failure with Low Oxygen
- Acute Respiratory Failure After Procedure
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
- Sudden breathing failure after surgery
- Acute post-op respiratory arrest
- Acute post-surgical breathing failure
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
- J95821: Acute postprocedural respiratory failure
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
Also known as:
- Traumatic Subdural Brain Bleed
- Subdural Hematoma
- Head Bleed
- Brain Hemorrhage
- Head Injury
ICD-10 Codes:
- S065XAA: Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter
Also known as:
- Other Anal and Rectal Condition
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Disorders
- Rectal Disorders
ICD-10 Codes:
- K6289: Other specified diseases of anus and rectum
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Mcguinness typically perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Mcguinness 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. Mcguinness. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Rigid Proctosigmoidoscopy
- Diagnostic Proctosigmoidoscopy
- Rectal and Lower Colon Scope
- Rigid Sigmoidoscopy
CPT Codes:
- 45300: Proctosigmoidoscopy, rigid; diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)
Also known as:
- Removal of Multiple Hemorrhoids
- Hemorrhoidectomy
- Internal and External Hemorrhoid Surgery
- Piles Removal Surgery
CPT Codes:
- 46260: Hemorrhoidectomy, internal and external, 2 or more columns/groups;
Also known as:
- Anal Fistula Surgery
- Fistulectomy
- Fistulotomy
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
CPT Codes:
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
Also known as:
- Seton Placement
- Fistula Seton Insertion
- Drainage Seton Placement
- Anal Fistula Treatment
CPT Codes:
- 46020: Placement of seton
Also known as:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Does Dr. Mcguinness accept my insurance?
Dr. Mcguinness accepts most major insurance plans. Important: Please call our office at (925) 274-9000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mcguinness accept in Walnut Creek, CA?
Dr. Mcguinness in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene Corporation
Cigna Group
Contra Costa
Hill Physicians Medical Group
Medicare
Molina Healthcare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Mcguinness' office located?
Dr. Brian Mcguinness' Primary Practice
365 Lennon Ln Ste 290
Walnut Creek, CA 94598
(925) 274-9000
What is Dr. Mcguinness's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mcguinness's National Provider Identifier (NPI) number is 1891870770.
What common questions do patients ask about Dr. Mcguinness?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mcguinness
What is Dr. Brian Mcguinness's specialty?
Dr. Mcguinness is a Colon & Rectal Surgeon (Proctologist) near Walnut Creek, CA.
What does a Colon & Rectal Surgeon (Proctologist) do?
A colon and rectal surgeon possesses the expertise to diagnose and treat a variety of ailments affecting the intestinal tract, including the colon, rectum, anal canal, and perianal area, through both medical and surgical interventions. Furthermore, this professional also engages with other organs and tissues, including the liver, urinary system, and female reproductive system, that are relevant to primary intestinal disorders.
Is this Dr. Brian Mcguinness affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mcguinness is affiliated with John Muir Health Walnut Creek 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
When to see a Colon & Rectal Surgeon (Proctologist)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Colon & Rectal Surgeon (Proctologist). Explore 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 Brian Mcguinness accepting new patients in Walnut Creek, CA?
Yes, Dr. Brian Mcguinness is accepting new patients at this time.
Does Dr. Brian Mcguinness offer online booking?
Please contact Dr. Mcguinness's office at (925) 274-9000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Brian Mcguinness?
Please contact Dr. Mcguinness's office at (925) 274-9000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Brian Mcguinness have?
Dr. Brian Mcguinness is certified by the American Board of Surgery.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>