JW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Winston, Colon & Rectal Surgeon (Proctologist) in San Antonio, TX?
Dr. John Winston, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in San Antonio, TX. He is board certified. Dr. Winston is fluent in English and Spanish, and is currently seeing new patients. Dr. Winston’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Winston’s office at (210) 490-2828.
What are Areas of Expertise for Dr. Winston?
Dr. John Winston, 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. Winston empowers patients to confidently navigate their health journey, specializing in Hemorrhoids, Laparoscopic Surgery, Rectal Cancer, and comprehensive wellness support. Serving the San Antonio, TX community, Dr. Winston is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Winston go to medical school and complete their residency?
Medical School: UNIVERSITY OF AL SCH OF MEDICINE
Is Dr. Winston board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. John Winston, MD is board certified by the American Board of Colon & Rectal Surgery , American Board of Surgery
What languages does Dr. Winston speak?
Dr. Winston and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Winston typically treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Winston 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. Winston. 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.
Also known as:
- First Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids
- Grade 1 hemorrhoids
- Mild hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K640: First degree hemorrhoids
- K648: Other hemorrhoids
Also known as:
- Complete Bowel Incontinence
- Bowel Incontinence
- Full fecal incontinence
- Total loss of bowel control
- Severe accidental bowel leakage
ICD-10 Codes:
- R159: Full incontinence of feces
Also known as:
- Outlet Dysfunction Constipation
- Constipation
- Pelvic Floor Dysfunction Constipation
- Dyssynergic Defecation
- Obstructed Defecation
ICD-10 Codes:
- K5902: Outlet dysfunction constipation
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:
- Generalized Muscle Weakness
- Muscle Disorder
- Overall Body Weakness
- Widespread Muscle Weakness
- Systemic Muscle Weakness
ICD-10 Codes:
- M6281: Muscle weakness (generalized)
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:
- Large Intestine Diverticulitis
- Diverticulosis and Diverticulitis
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
ICD-10 Codes:
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Winston typically perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Winston 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. Winston. 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.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
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
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:
- 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 Sphincter Nerve Block
- Internal Anal Sphincter Chemodenervation
- Anal Sphincter Injection
- Botox for Anal Fissure
- Chemical Denervation of Anal Muscle
CPT Codes:
- 46505: Chemodenervation of internal anal sphincter
Also known as:
- Hemorrhoid Removal with Rubber Band Ligation
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
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. Winston accept my insurance?
Dr. Winston accepts most major insurance plans. Important: Please call our office at (210) 490-2828 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Winston accept in San Antonio, TX?
Dr. Winston in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield Association
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
Other Health Care Provider
Service Employees International Union (SEIU)
UnitedHealth Group
View All Insurances
Where is Dr. Winston's office located?
What hospitals are Dr. Winston affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Winston has admitting privileges at the following hospitals:
Northeast Methodist Hospital,Live Oak, TX
Ranked Hysterectomy

Northeast Methodist Hospital,Live Oak, TX
Ranked Hysterectomy
Methodist Stone Oak Hospital,San Antonio, TX
Methodist Stone Oak Hospital,San Antonio, TX
What is Dr. Winston's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Winston's National Provider Identifier (NPI) number is 1356357255.
What common questions do patients ask about Dr. Winston?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Winston
What is Dr. John Winston's specialty?
Dr. Winston 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 Dr. John Winston affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Winston is affiliated with Northeast Methodist Hospital 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 Dr. John Winston accepting new patients in San Antonio, TX?
Yes, Dr. John Winston is accepting new patients at this time.
Does Dr. John Winston offer online booking?
Please contact Dr. Winston's office at (210) 490-2828 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. John Winston?
Please contact Dr. Winston's office at (210) 490-2828 to schedule an appointment.
Where is Dr. Winston's office located?
Dr. Winston's office is located in San Antonio, TX.
Which board certifications does Dr. John Winston have?
Dr. John Winston is certified by the American Board of Colon & Rectal Surgery and American Board of Surgery.
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CS
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