MK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Keller, Colon & Rectal Surgeon (Proctologist) in San Antonio, TX?
Dr. Michael Keller, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in San Antonio, TX with 2 additional practice locations. He is board certified. Dr. Keller graduated from University of Texas Medical School, Houston. Dr. Keller is fluent in English and Spanish, and is currently seeing new patients. Dr. Keller’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Keller’s office at (210) 614-0880.
Where did Dr. Keller go to medical school and complete their residency?
Medical School: University of Texas Medical School, Houston
Is Dr. Keller board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Michael Keller, MD is board certified by the American Board of Surgery
What languages does Dr. Keller speak?
Dr. Keller and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Keller typically treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Keller 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. Keller. 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:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of sigmoid colon
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C187: Malignant neoplasm of sigmoid colon
Also known as:
- Third Degree Hemorrhoids
- Hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
ICD-10 Codes:
- K642: Third degree hemorrhoids
Also known as:
- Chronic Anal Fissure
- Anal Disorder
- Long-Term Anal Tear
- Persistent Rectal Fissure
- Chronic Fissure in Anus
ICD-10 Codes:
- K601: Chronic anal fissure
Also known as:
- Anal Fistula
- Anal Disorder
- Fistulas
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K603: Anal fistula
Also known as:
- Vascular Access Device Management
- Vascular Access Care
- Port Management
- Catheter Care
ICD-10 Codes:
- Z452: Encounter for adjustment and management of vascular access device
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Keller typically perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Keller 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. Keller. 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:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 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
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:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- 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. Keller accept my insurance?
Dr. Keller accepts most major insurance plans. Important: Please call our office at (210) 614-0880 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Keller accept in San Antonio, TX?
Dr. Keller in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
Oscar Health
UnitedHealth Group
View All Insurances
Where is Dr. Keller's office located?
What is Dr. Keller's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Keller's National Provider Identifier (NPI) number is 1659572824.
What common questions do patients ask about Dr. Keller?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Keller
What is Dr. Michael Keller's specialty?
Dr. Keller is a Colon & Rectal Surgeon (Proctologist) near San Antonio, TX.
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. Michael Keller affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Keller is affiliated with Methodist Hospital - San Antonio, Baptist Medical Center - San Antonio, Christus Health, Resolute Baptist Hospital 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
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 Michael Keller accepting new patients in San Antonio, TX?
Yes, Dr. Michael Keller is accepting new patients at this time.
Does Dr. Michael Keller offer online booking?
Please contact Dr. Keller's office at (210) 614-0880 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Michael Keller?
Please contact Dr. Keller's office at (210) 614-0880 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Michael Keller have?
Dr. Michael Keller is certified by the American Board of Surgery.
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Colon & Rectal Surgeon (Proctologist)
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