EH
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Haas, Colon & Rectal Surgeon (Proctologist) in Houston, TX?
Dr. Eric Haas, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Houston, TX with 1 additional practice location. Dr. Haas is fluent in English and Spanish, and is currently seeing new patients. Dr. Haas’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Haas’s office.
What are Areas of Expertise for Dr. Haas?
Dr. Eric Haas, MD is a highly-rated, board-certified Colon & Rectal Surgeon (Proctologist) known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Haas empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer, Diverticulitis, Inflammatory Bowel Disease/Crohn's, Laparoscopic Surgery, or comprehensive wellness support. Serving the Houston/TX community, Dr. Haas is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Haas speak?
Dr. Haas and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Haas treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Haas 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. Haas. 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:
- Third Degree Hemorrhoids
- Hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K642: Third degree hemorrhoids
- K648: Other hemorrhoids
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 colon
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C189: Malignant neoplasm of colon, unspecified
Also known as:
- Anal or Rectal Narrowing
- Other Anal and Rectal Condition
- Anal and Rectal Disorder
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Stricture
- Rectal Stricture
- Narrowing of Anus
- Anal Disorders
- Rectal Disorders
- Anorectal disease
- Anal problems
- Rectal problems
ICD-10 Codes:
- K624: Stenosis of anus and rectum
- K6289: Other specified diseases of anus and rectum
- K629: Disease of anus and rectum, unspecified
Also known as:
- Intestine Diverticulitis
- Diverticulosis and Diverticulitis
- Inflamed Bowel Diverticula
- Bowel Diverticular Inflammation
ICD-10 Codes:
- K5792: Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
Also known as:
- Endometriosis
- Endometriosis of the Intestine
- Endometrial implants
- Endometrial tissue outside uterus
- Retrograde menstruation
- Bowel endometriosis
- Endometrial implants in intestine
- Ectopic endometrial tissue in intestine
- Intestinal endometriosis
ICD-10 Codes:
- N809: Endometriosis, unspecified
- N8050: Endometriosis of intestine, unspecified
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:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestine
ICD-10 Codes:
- K56699: Other intestinal obstruction unspecified as to partial versus complete obstruction
Also known as:
- Rectal Polyp
- Rectal Disorder
- Rectal Growth
- Colon Polyp
- Benign Rectal Tumor
ICD-10 Codes:
- K621: Rectal polyp
Also known as:
- Having an Ileostomy
- Ostomy
- Ostomy Surgery of the Bowel
- Ileal stoma
- Bowel diversion surgery
- Small intestine ostomy
ICD-10 Codes:
- Z932: Ileostomy status
Also known as:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K51919: Ulcerative colitis, unspecified with unspecified complications
What procedures does Dr. Haas perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Haas 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. Haas. 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:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Polyp/Tumor Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Balloon Dilation
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Biopsy
- Colorectal Polyp Removal
- Hot Biopsy Colonoscopy
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Dilation
- Colon Dilation during Colonoscopy
- Endoscopic Balloon Dilation of Colon
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45384: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45386: Colonoscopy, flexible; with transendoscopic balloon dilation
Also known as:
- Colonoscopy with Injections
- Endoscopy of Small Intestinal Pouch
- Rigid Proctosigmoidoscopy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Small Bowel Pouch Endoscopy
- Kock Pouch Evaluation
- Ileal Reservoir Endoscopy
- Pouchoscopy
- Diagnostic Proctosigmoidoscopy
- Rectal and Lower Colon Scope
- Rigid Sigmoidoscopy
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 44385: Endoscopic evaluation of small intestinal pouch (eg, Kock pouch, ileal reservoir [S or J]); diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45300: Proctosigmoidoscopy, rigid; diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)
Also known as:
- Hemorrhoid Removal with Rubber Band Ligation
- Hemorrhoid Removal by Heat
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
- Infrared Coagulation for Hemorrhoids
- Hemorrhoid Cautery
- Radiofrequency Hemorrhoid Treatment
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
- 46930: Destruction of internal hemorrhoid(s) by thermal energy (eg, infrared coagulation, cautery, radiofrequency)
Also known as:
- Rectal Tumor Removal Through Anus
- Removal of Rectal Tumor
- Rectal Tumor Removal
- Transanal tumor excision
- Full thickness rectal resection
- Rectal cancer surgery via anus
- Transanal Rectal Tumor Excision
- Partial Thickness Rectal Tumor Removal
- Rectal Lesion Excision
- Rectal Tumor Ablation
- Transanal Tumor Excision
- Rectal Cancer Treatment
CPT Codes:
- 45172: Excision of rectal tumor, transanal approach; including muscularis propria (ie, full thickness)
- 45171: Excision of rectal tumor, transanal approach; not including muscularis propria (ie, partial thickness)
- 45190: Destruction of rectal tumor (eg, electrodesiccation, electrosurgery, laser ablation, laser resection, cryosurgery) transanal approach
Also known as:
- Anal Fistula Surgery
- Anal Fistula Surgery (Second Stage)
- Fistulectomy
- Fistulotomy
- Anal Fistula Repair
- Perianal Fistula Repair
CPT Codes:
- 46280: Surgical treatment of anal fistula (fistulectomy/fistulotomy); transsphincteric, suprasphincteric, extrasphincteric or multiple, including placement of seton, when performed
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
- 46285: Surgical treatment of anal fistula (fistulectomy/fistulotomy); second stage
Also known as:
- Laparoscopic Partial Colon Removal
- Laparoscopic Colon Mobilization
- Minimally invasive colectomy
- Laparoscopic bowel resection
- Keyhole colon surgery
- Splenic Flexure Mobilization
- Laparoscopic Colectomy Assist
- Colon Take-down Surgery
- Minimally Invasive Colectomy
- Laparoscopic Bowel Resection
- Keyhole Colon Surgery
CPT Codes:
- 44207: Laparoscopy, surgical; colectomy, partial, with anastomosis, with coloproctostomy (low pelvic anastomosis)
- 44213: Laparoscopy, surgical, mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
- 44204: Laparoscopy, surgical; colectomy, partial, with anastomosis
Also known as:
- Pelvic Abscess Drainage Through Rectum
- Deep Pelvic or Rectal Abscess Drainage
- Open Drainage of Abdominal Abscess
- Transrectal Abscess Drainage
- Rectal Pelvic Abscess Procedure
- Drainage of Pelvic Infection via Rectum
- Supralevator Abscess Drainage
- Pelvirectal Abscess Drainage
- Retrorectal Abscess Drainage
- Deep Rectal Abscess Incision
- Peritoneal Abscess Drainage
- Abdominal Infection Drainage
- Open Peritonitis Drainage
CPT Codes:
- 45000: Transrectal drainage of pelvic abscess
- 45020: Incision and drainage of deep supralevator, pelvirectal, or retrorectal abscess
- 49020: Drainage of peritoneal abscess or localized peritonitis, exclusive of appendiceal abscess, open
Also known as:
- Laparoscopic Adhesion Removal
- Laparoscopic Cyst Aspiration
- Lysis of Adhesions
- Laparoscopic Salpingolysis
- Laparoscopic Ovariolysis
- Pelvic Adhesion Surgery
- Minimally Invasive Cyst Drainage
- Ovarian Cyst Aspiration
- Laparoscopic Fluid Removal
CPT Codes:
- 58660: Laparoscopy, surgical; with lysis of adhesions (salpingolysis, ovariolysis) (separate procedure)
- 49322: Laparoscopy, surgical; with aspiration of cavity or cyst (eg, ovarian cyst) (single or multiple)
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:
- Rectal Stricture Dilation (Under General Anesthesia)
- Anesthesia
- Rectal narrowing dilation
- Anorectal stricture treatment
- Rectal stretching procedure
- Dilation of anal canal stricture
CPT Codes:
- 45910: Dilation of rectal stricture (separate procedure) under anesthesia other than local
Also known as:
- Endoscopy and Biopsy of Small Intestine Pouch
- Kock pouch endoscopy
- Ileal reservoir evaluation
- Small bowel pouch biopsy
CPT Codes:
- 44386: Endoscopic evaluation of small intestinal pouch (eg, Kock pouch, ileal reservoir [S or J]); with biopsy, single or multiple
Also known as:
- Anal Lesion Excision
- Removal of Anal Warts
- Surgical Excision of Anal Lesions
- Anus Lesion Removal
CPT Codes:
- 46922: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; surgical excision
Also known as:
- Extensive Anal Lesion Removal
- Removal of Anal Lesions (Electrocautery)
- Anal wart removal
- Destruction of anal condyloma
- Anal papilloma treatment
- Anal lesion ablation
- Anal Wart Removal (Electrocautery)
- Electrosurgical Destruction of Anal Lesions
- Anus Lesion Excision
- Electrodessication of Anal Condyloma
CPT Codes:
- 46924: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), extensive (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery)
- 46910: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; electrodesiccation
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:
- Laparoscopic Enterostomy Closure with Resection
- Minimally invasive enterostomy closure
- Keyhole bowel surgery
- Laparoscopic intestinal repair
CPT Codes:
- 44227: Laparoscopy, surgical, closure of enterostomy, large or small intestine, with resection and anastomosis
Also known as:
- Anal Seton Removal
- Seton Removal
- Anal Marker Removal
- Fistula Seton Removal
CPT Codes:
- 46030: Removal of anal seton, other marker
Also known as:
- Laparoscopic Ileostomy or Jejunostomy
- Minimally Invasive Ileostomy
- Keyhole Bowel Diversion
- Laparoscopic Jejunostomy
CPT Codes:
- 44187: Laparoscopy, surgical; ileostomy or jejunostomy, non-tube
Also known as:
- Rectum and Lower Colon Scope with Dilation
- Rigid Proctosigmoidoscopy with Dilation
- Rectal Dilation with Scope
- Lower Bowel Scope and Widening
CPT Codes:
- 45303: Proctosigmoidoscopy, rigid; with dilation (eg, balloon, guide wire, bougie)
Also known as:
- Anoscopy with Dilation
- Anoscopy
- Anal Canal Exam with Widening
- Rectal Exam with Dilation
- Anorectal Scope with Balloon Dilation
CPT Codes:
- 46604: Anoscopy; with dilation (eg, balloon, guide wire, bougie)
Also known as:
- Anal Sphincter Widening Under Anesthesia
- Anesthesia
- Anal Dilation
- Sphincterotomy (Non-Surgical)
- Anorectal Dilation
CPT Codes:
- 45905: Dilation of anal sphincter (separate procedure) under anesthesia other than local
Also known as:
- Small Intestine Perforation Repair
- Enterorrhaphy
- Small Bowel Suture
- Intestinal Ulcer Repair
- Diverticulum Repair
CPT Codes:
- 44602: Suture of small intestine (enterorrhaphy) for perforated ulcer, diverticulum, wound, injury or rupture; single perforation
Also known as:
- Sacral Nerve Stimulator Implantation
- Sacral Neuromodulation
- Bladder Stimulator Implant
- Nerve Stimulator for Pelvic Pain
- Bladder Pacemaker Surgery
- Sacral Nerve Electrode Placement
CPT Codes:
- 64561: Percutaneous implantation of neurostimulator electrode array; sacral nerve (transforaminal placement) including image guidance, if performed
- 64581: Open implantation of neurostimulator electrode array; sacral nerve (transforaminal placement)
Also known as:
- Neurostimulator Device Implantation (Peripheral, Sacral, or Gastric)
- Nerve Stimulator Implant
- Sacral Neuromodulation Device
- Gastric Stimulator Placement
- Peripheral Nerve Stimulator
CPT Codes:
- 64590: Insertion or replacement of peripheral, sacral, or gastric neurostimulator pulse generator or receiver, requiring pocket creation and connection between electrode array and pulse generator or receiver
Also known as:
- Laparoscopic Pelvic and Aortic Lymph Node Removal
- Minimally invasive lymphadenectomy
- Laparoscopic lymph node biopsy
- Pelvic lymph node dissection
- Peri-aortic lymph node sampling
CPT Codes:
- 38572: Laparoscopy, surgical; with bilateral total pelvic lymphadenectomy and peri-aortic lymph node sampling (biopsy), single or multiple
Also known as:
- Laparoscopic Removal of Pelvic Lesions
- Minimally invasive ovarian lesion removal
- Pelvic lesion excision laparoscopy
- Peritoneal lesion fulguration
- Endometriosis removal surgery
CPT Codes:
- 58662: Laparoscopy, surgical; with fulguration or excision of lesions of the ovary, pelvic viscera, or peritoneal surface by any method
Does Dr. Haas accept my insurance?
Dr. Haas accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Haas accept in Houston, TX?
Dr. Haas in Houston, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene
Community Health Choice
CVS Health (formerly Aetna)
Express Scripts
Health Care Service Corporation (HCSC)
Medicare
MedImpact
Sentara Health System / Optima Health
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Haas' office located?
What is Dr. Haas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Haas's National Provider Identifier (NPI) number is 1275501603.
What common questions do patients ask about Dr. Haas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Haas
What is Dr. Eric Haas's specialty?
Dr. Haas is a Colon & Rectal Surgeon (Proctologist) near Houston, TX. 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. Contact Dr. Haas to book an appointment today.
Is this Dr. Eric Haas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Haas is affiliated with Houston 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
Where can I learn more about Colon & Rectal Surgeon (Proctologist)?
Explore Colon & Rectal Surgeon (Proctologist) 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 Eric Haas accepting new patients in Houston, TX?
Yes, Dr. Eric Haas is accepting new patients at this time.
Does Dr. Eric Haas offer online booking?
Please contact Dr. Haas's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Eric Haas?
Please contact Dr. Haas's office for information regarding telehealth appointment availability or for scheduling assistance.
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