JM
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mareno, Colon & Rectal Surgeon (Proctologist) in Atlanta, GA?
Dr. Joseph Mareno, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Atlanta, GA. He is board certified. Dr. Mareno is fluent in English, and is currently seeing new patients. Dr. Mareno’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mareno’s office at (404) 574-5820.
What are Areas of Expertise for Dr. Mareno?
Dr. Joseph Mareno, 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. Mareno empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer & Surgery, Crohn's Disease, Diverticulitis, Incontinence-Fecal, Minimally Invasive Surgery, Pelvic Floor Disorders, Ulcerative Colitis, or comprehensive wellness support. Serving the Atlanta/GA community, Dr. Mareno is dedicated to enhancing lives through expert, patient-centered care.
Is Dr. Mareno board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Joseph Mareno, MD is board certified by the American Board of Colon & Rectal Surgery , American Board of Surgery
What languages does Dr. Mareno speak?
Dr. Mareno and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Mareno treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Mareno 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. Mareno. 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:
- Second Degree Hemorrhoids
- First Degree Hemorrhoids
- Third Degree Hemorrhoids
- Hemorrhoidal Skin Tags
- Perianal Blood Clot
- Hemorrhoids
- Anal Disorder
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Internal hemorrhoids
- Grade 1 hemorrhoids
- Mild hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Thrombosed Hemorrhoid
- External Hemorrhoid Clot
- Blood Clot near Anus
ICD-10 Codes:
- K641: Second degree hemorrhoids
- K640: First degree hemorrhoids
- K642: Third degree hemorrhoids
- K644: Residual hemorrhoidal skin tags
- K645: Perianal venous thrombosis
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:
- 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:
- 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:
- Anal Dysplasia
- Anal Fistula
- Anal Disorder
- Fistulas
- Abnormal anal cells
- Precancerous anal changes
- Anal epithelial dysplasia
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K6282: Dysplasia of anus
- K603: Anal fistula
Also known as:
- Genital Warts
- Venereal Warts
- HPV Warts
- Anogenital Warts
ICD-10 Codes:
- A630: Anogenital (venereal) warts
Also known as:
- Large Intestine Diverticulitis
- Large Intestine Diverticulitis with Perforation and Abscess
- Diverticulosis and Diverticulitis
- Abscess
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
ICD-10 Codes:
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
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:
- 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 Itching
- Anal Disorder
- Itching
- Pruritus Ani
- Itchy Anus
- Perianal Itch
ICD-10 Codes:
- L290: Pruritus ani
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- History of rectal or anal cancer
- Colorectal Cancer
- Past rectal cancer
- Anal cancer survivor
- Previous rectosigmoid malignancy
ICD-10 Codes:
- Z85048: Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus
Also known as:
- Contact Dermatitis
- Rashes
- Skin Rash from Contact
- Contact Eczema
- Allergic Contact Dermatitis
ICD-10 Codes:
- L259: Unspecified contact dermatitis, unspecified cause
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
What procedures does Dr. Mareno perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Mareno 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. Mareno. 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
- Diagnostic Colonoscopy with Biopsy
- Flexible Sigmoidoscopy with Injection
- Colonoscopy with Hemorrhoid Ligation
- Colonoscopy Through Stoma
- 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
- Sigmoidoscopy with Submucosal Injection
- Lower Colon Scope with Injection
- Flexible Sigmoid Scope
- Rectal and Lower Colon Exam
- Hemorrhoid Banding
- Colon Exam with Ligation
- Stoma Colonoscopy
- Diagnostic Stoma Scope
- Colostomy Colonoscopy
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)
- 45335: Sigmoidoscopy, flexible; with directed submucosal injection(s), any substance
- 45398: Colonoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
- 44388: Colonoscopy through stoma; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Hemorrhoid Removal with Rubber Band Ligation
- External Thrombosed Hemorrhoid Removal
- Hemorrhoid Removal by Heat
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
- Clotted Hemorrhoid Excision
- External Hemorrhoid Surgery
- Thrombosed Pile Removal
- Infrared Coagulation for Hemorrhoids
- Hemorrhoid Cautery
- Radiofrequency Hemorrhoid Treatment
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
- 46320: Excision of thrombosed hemorrhoid, external
- 46930: Destruction of internal hemorrhoid(s) by thermal energy (eg, infrared coagulation, cautery, radiofrequency)
Also known as:
- Anoscopy (Diagnostic)
- Anoscopy
- Anal Canal Exam
- Rectal Scope Exam
- Anus Diagnostic Procedure
CPT Codes:
- 46600: Anoscopy; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Anal Fistula Surgery
- Anal Skin Tag Removal
- Anal Fistula Surgery (Second Stage)
- Fistulectomy
- Fistulotomy
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
- Anal Papilla Excision
- Perianal Skin Tag Removal
- Anal Lesion Excision
- Perianal Fistula Repair
- Anal Fistula Repair
CPT Codes:
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
- 46220: Excision of single external papilla or tag, anus
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
- 46285: Surgical treatment of anal fistula (fistulectomy/fistulotomy); second stage
Also known as:
- Anal Biopsy
- Rectal Wall Biopsy
- Anorectal Biopsy
- Anal Tissue Sample
CPT Codes:
- 45100: Biopsy of anorectal wall, anal approach (eg, congenital megacolon)
Also known as:
- Extensive Anal Lesion Removal
- Anal wart removal
- Destruction of anal condyloma
- Anal papilloma treatment
- Anal lesion ablation
CPT Codes:
- 46924: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), extensive (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery)
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 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:
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy with Injections
- Colorectal Cancer Screening Tests
- Colonoscopy
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Anal Fissure Removal with Muscle Release
- Fissurectomy
- Sphincterotomy
- Anal Fissure Repair
- Chronic Fissure Surgery
CPT Codes:
- 46200: Fissurectomy, including sphincterotomy, when performed
Also known as:
- Seton Placement
- Fistula Seton Insertion
- Drainage Seton Placement
- Anal Fistula Treatment
CPT Codes:
- 46020: Placement of seton
Also known as:
- Drainage of Perianal Abscess
- Perianal Abscess Incision
- Anal Abscess Drainage
- Superficial Perianal Abscess Treatment
CPT Codes:
- 46050: Incision and drainage, perianal abscess, superficial
Also known as:
- Rectal Tumor Removal Through Anus
- Transanal tumor excision
- Full thickness rectal resection
- Rectal cancer surgery via anus
CPT Codes:
- 45172: Excision of rectal tumor, transanal approach; including muscularis propria (ie, full thickness)
Also known as:
- Laparoscopic Colon Mobilization
- Laparoscopic Partial Colon Removal
- Splenic Flexure Mobilization
- Laparoscopic Colectomy Assist
- Colon Take-down Surgery
- Minimally invasive colectomy
- Laparoscopic bowel resection
- Keyhole colon surgery
CPT Codes:
- 44213: Laparoscopy, surgical, mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
- 44207: Laparoscopy, surgical; colectomy, partial, with anastomosis, with coloproctostomy (low pelvic anastomosis)
Also known as:
- Removal of Anal Skin Tags
- Anal Papillae Excision
- Perianal Skin Tag Removal
- Anorectal Tag Excision
CPT Codes:
- 46230: Excision of multiple external papillae or tags, anus
Also known as:
- Laparoscopic Appendectomy
- Minimally Invasive Appendectomy
- Keyhole Appendectomy
- Scope Appendectomy
CPT Codes:
- 44970: Laparoscopy, surgical, appendectomy
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:
- Extensive Pilonidal Cyst Removal
- Pilonidal Sinus Excision
- Tailbone Cyst Surgery
- Sacrococcygeal Cyst Removal
CPT Codes:
- 11771: Excision of pilonidal cyst or sinus; extensive
Does Dr. Mareno accept my insurance?
Dr. Mareno accepts most major insurance plans. Important: Please call our office at (404) 574-5820 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mareno accept in Atlanta, GA?
Dr. Mareno in Atlanta, GA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross of Idaho
Centene
Consumers Choice Health Insurance
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicare
MedImpact
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Mareno's office located?
Dr. Joseph Mareno's Primary Practice
95 Collier Rd NW Ste 4025
Atlanta, GA 30309
(404) 574-5820
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - All Time
Among the most nominated for the Castle Connolly Top Doctor recognition across all time
What is Dr. Mareno's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mareno's National Provider Identifier (NPI) number is 1265687479.
What common questions do patients ask about Dr. Mareno?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mareno
What is Dr. Joseph Mareno's specialty?
Dr. Mareno is a Colon & Rectal Surgeon (Proctologist) near Atlanta, GA. 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. Mareno to book an appointment today.
Is this Dr. Joseph Mareno affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mareno is affiliated with Piedmont Atlanta Hospital, Northside Hospital Atlanta 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 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 Joseph Mareno accepting new patients in Atlanta, GA?
Yes, Dr. Joseph Mareno is accepting new patients at this time.
Does Dr. Joseph Mareno offer online booking?
Please contact Dr. Mareno's office at (404) 574-5820 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Joseph Mareno?
Please contact Dr. Mareno's office at (404) 574-5820 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Joseph Mareno have?
Dr. Joseph Mareno is certified by the American Board of Colon & Rectal Surgery and American Board of Surgery.
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